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BYD car finance calculator

Published 23 April 2026 · Last reviewed 23 April 2026 · Disclaimer

Among the faster-growing EV-forward brands on New Zealand finance books, distributed locally by Ateco Automotive under the BYD New Zealand banner. The range is all battery-electric or plug-in hybrid: Atto 3 and Dolphin on the mainstream-EV side, Seal as the sedan, and Sealion 6 as the plug-in hybrid SUV (MIA, Carjam). Lenders have rapidly-building residual data on Atto 3 and Dolphin, thinner data on Seal and Sealion 6. Price range in the NZ market runs from about $30,000 for a used Dolphin to around $70,000 for a new Seal Performance or Sealion 6 flagship.

Your estimated repayment

Weekly

Disclaimer

$219/week

$439 /fortnight $950 /month
$48,000
$0
7.00% p.a.
5 years

We are not a finance company. Indicative only. Not a quote or offer of credit. Actual rates, fees, and repayments depend on your circumstances and the lender's decision.

Why this brand finances well

What lenders look for in a BYD.

  • BYD NZ is growing into a known-brand slot on most lender panels, and Atto 3 in particular now has enough NZ residual-value data across 2023 to 2025 examples that underwriting decisions move through the standard secured-EV product.
  • The NZ-new warranty position (6 years vehicle, 8 years high-voltage battery per BYD NZ) gives lenders confidence across a five-year loan term, because the battery pack, the single most expensive component on an EV, stays warranty-covered for the life of most standard loans.
  • Dolphin and Atto 3 sit at the affordable end of the NZ new-EV market, which opens EV ownership to buyers previously stuck choosing between a petrol hatch and a used Leaf import, and widens the lender loan-amount bands that apply.
  • The Sealion 6 is one of the few plug-in hybrid SUVs in the sub-$70,000 NZ bracket in 2026, which means a lender treating PHEVs under a green-loan or efficient-vehicle tier can quote a meaningfully lower rate than on a petrol SUV rival.
  • Most NZ lenders apply their EV loan tier to NZ-new BYDs (Atto 3, Dolphin, Seal) on current terms, which is typically 0.5 to 1.5 percentage points below the equivalent petrol secured-car rate and materially changes the weekly cost.

Buyer notes

Where to get the best BYD rate.

On a new Atto 3, Dolphin, Seal, or Sealion 6, start with an independent broker to price the EV or PHEV loan tier, then compare against any BYD NZ dealer finance referral (BYD NZ partners with several non-captive NZ lenders). On a used BYD, confirm whether the vehicle is genuinely NZ-new through a BYD NZ dealer or a parallel import, because the finance treatment and residual picture diverge sharply between the two paths.

No sign-up on our site. Our finance partner compares NZ lenders and returns a formal estimate after the lender's credit assessment.

New vs used

Financing a new BYD vs a used one.

BYD is new enough to New Zealand that the used market is still largely early adopters flipping NZ-new cars rather than a deep multi-generation supply. The finance conversation splits between NZ-new orders through BYD NZ dealers and the smaller pool of used BYDs, including parallel imports, now appearing on the second-hand market.

Path 1

New BYD (through BYD NZ dealer)

Broker first, dealer referral second

  • NZ-new BYDs carry the full BYD NZ factory warranty (6 years vehicle, 8 years high-voltage battery), which lenders treat as a positive residual-value signal.
  • Most NZ EV loan tiers apply cleanly to new Atto 3, Dolphin, and Seal. Sealion 6 often qualifies for PHEV-specific or general EV tier pricing depending on the lender.
  • BYD NZ sells at listed drive-away pricing with limited headline discounting, so the meaningful lever on the deal is the finance cost itself.
  • Pre-approve the loan before placing the order, because stock availability and delivery windows can be short on popular variants.

Verdict

Price the EV or PHEV loan tier with an independent broker before accepting any BYD dealer finance referral. BYD NZ has no captive-finance arm, so the dealer is referring you to a lender on commission rather than offering subvention.

Path 2

Used BYD (NZ-new or parallel import)

Confirm provenance first, then broker

  • NZ-new used BYDs usually retain the remaining balance of the BYD NZ factory warranty on sale, which supports lender residual-value confidence.
  • Parallel-imported BYDs (Chinese-market Atto 3, Dolphin, or Han variants not sold through BYD NZ) do not carry BYD NZ warranty and may lack local software update support.
  • Some NZ lenders decline to apply the EV loan tier to parallel-import BYDs because of thinner residual data and warranty uncertainty; expect the standard secured-car rate instead.
  • Keep the loan term to three or four years on a parallel-import BYD because resale value drops faster than on an NZ-new equivalent.

Verdict

Ask the seller whether the BYD is NZ-new through BYD NZ or a parallel import from a Chinese-market spec, because lender treatment and warranty transfer differ materially between the two.

Rule of thumb

For an NZ-new BYD, pre-approve with a broker before ordering and confirm the EV or PHEV loan tier applies. For a used BYD, verify NZ-new provenance through the BYD NZ dealer network before anchoring on a price or a finance rate.

Total cost of ownership

What a BYD really costs beyond the finance line.

BYD ownership costs sit between a traditional EV profile and a petrol-hybrid one, depending on whether you are in an Atto 3 EV or a Sealion 6 plug-in hybrid. The factory warranty position is the single biggest difference in the running-cost picture compared with an older used import.

  • Servicing and consumables

    Averaged across a year. Atto 3 and Dolphin sit at the lower end because EV servicing is light (cabin filter, brake fluid, tyre rotation). Sealion 6 PHEV sits mid-range because it has a petrol engine to service alongside the electric drivetrain.

    $50 to $160 per month
  • Insurance (full cover)

    Dolphin sits around $1,200 to $1,600. Atto 3 and Seal run $1,400 to $2,000 depending on variant. Sealion 6 PHEV often sits at the top of the range because of its higher value and more complex drivetrain repair cost.

    $1,200 to $2,400 per year
  • Home charging

    Based on 12,000 to 15,000 km a year on a typical NZ off-peak plan. Dolphin at the lower end (smaller battery, efficient). Atto 3 and Seal mid-range. Sealion 6 runs lower on electricity because it shares km with petrol.

    $400 to $950 per year
  • Fuel (Sealion 6 PHEV only)

    Depends heavily on commute length and home-charging discipline. A sub-40 km daily commute charged nightly keeps fuel spend minimal; longer trips where the petrol engine does most of the work pull the figure up.

    $500 to $1,400 per year
  • Road User Charges

    All BYD EVs (Atto 3, Dolphin, Seal) pay the full EV RUC rate since April 2024. Sealion 6 PHEV pays the reduced PHEV rate. At 14,000 km a year in an Atto 3, that is $1,064. In a Sealion 6, about $532.

    $76 per 1,000 km (EV) or $38 per 1,000 km (PHEV)
  • Tyres

    Dolphin on 16-inch runs $800 to $1,100. Atto 3 on 18-inch runs $1,100 to $1,500. Seal and Sealion 6 on 19-inch run $1,300 to $1,700. EV-torque wear cycles are shorter than on a petrol equivalent.

    $800 to $1,700 per set

Worth knowing

Atto 3 vs Toyota Corolla Hybrid at the same finance weekly

A $48,000 new Atto 3 and a $35,000 new Corolla Hybrid sit at very different loan amounts, but if you match them on weekly repayment by extending the Atto 3 term slightly, the Atto 3 runs roughly $500 to $900 a year cheaper in combined electricity, RUC, fuel, and servicing. The warranty position on the Atto 3 is also materially longer on the battery side.

Resale and equity

How BYD resale shapes your finance decision.

50 to 60%

value retained, 3-year-old Atto 3

48 to 58%

value retained, 3-year-old Dolphin

50 to 55%

mainstream-brand market average

BYD residuals in New Zealand are still finding their level because the brand has only been here since 2022 and the used market is thin in 2026. Early NZ-new Atto 3 examples from 2023 are now showing up on the used market around $32,000 to $38,000 against a $50,000 to $55,000 original list price, which is broadly in line with other mainstream-EV depreciation curves but with wider variance because supply is uneven.

The eight-year battery warranty (per BYD NZ policy) is the single strongest residual-value support the brand has, because a prospective used buyer in year four is still looking at four remaining years of battery cover, which is unusual in the NZ used-EV market.

Match the loan term to whether you are buying NZ-new or parallel-import. On an NZ-new BYD a four to five year term is sensible because the warranty umbrella covers the loan. On a parallel import, keep the term to three years maximum because the resale curve is steeper and the lender residual assumption is conservative.

Things to avoid

BYD finance traps we flag honestly.

An opinionated list. The commercial side of this site has no incentive to tell you these things, so we do.

Paying a parallel-import premium on a Chinese-market BYD

Some parallel-imported BYDs (Han, early Atto 3 Chinese-spec) are priced as though they carry NZ-new warranty and software support when they do not. The price delta versus a genuine NZ-new BYD can be $3,000 to $8,000 out of step with the actual residual picture. Always verify provenance before you commit.

Assuming battery warranty transfers on a used BYD

The eight-year battery warranty applies to NZ-new BYDs sold through BYD NZ dealers and usually transfers to subsequent owners, but only with a full BYD NZ service record. A parallel import or a car serviced outside the BYD NZ network may not have battery warranty coverage, and a $20,000 pack replacement is on the owner.

Treating BYD residuals as settled when the brand is four years old in NZ

BYD has been in New Zealand since 2022, so there is not yet a clean ten-year residual curve to price against. A six or seven year loan runs through a period where resale values could adjust either way. A four or five year term with a slightly larger deposit is the simpler structure while the market matures.

Rolling the Sealion 6 home-charger install into the car loan

A home wall-box install runs $2,000 to $4,500 depending on switchboard work. Rolling that into a seven-year car loan can add $600 to $1,100 in interest across the term. A separate personal loan or cash purchase is usually cheaper, and electricity retailers sometimes offer zero-interest charger finance worth comparing.

Losing the PHEV saving on the Sealion 6 by not charging it nightly

The Sealion 6's running-cost advantage depends on the battery being charged most nights so daily driving runs on electricity. A Sealion 6 owner who mostly uses the petrol engine loses the fuel saving while still paying the PHEV premium on the sticker. The loan maths stops working without the charging habit to match.

Drivetrain economics

Hybrid vs petrol vs EV on a BYD.

BYD's NZ range splits between full-battery electric (Atto 3, Dolphin, Seal) and plug-in hybrid (Sealion 6). The rate difference between EV and PHEV loan tiers at most NZ lenders is small but the running-cost profiles diverge, so the right drivetrain choice depends more on distance and charging setup than on finance pricing.

Electric (Atto 3, Dolphin, Seal)

EV loan tier plus low running costs, subject to RUC

  • Most NZ lenders apply their EV loan tier to new or recent NZ-new BYDs, typically 0.5 to 1.5 percentage points below the equivalent petrol secured-car rate.
  • Road User Charges of $76 per 1,000 km apply since April 2024, which narrows the total-cost gap against an efficient petrol hybrid at low annual km.
  • Home charging on off-peak rates runs around 3 to 5 cents per km on the Dolphin and 4 to 6 cents per km on the Atto 3 or Seal.
  • The 8-year high-voltage battery warranty (BYD NZ policy) runs through the typical loan term, which removes the battery-replacement risk from the weekly-cost calculation.

Plug-in hybrid (Sealion 6)

PHEV tier available at some lenders, cheapest at 30 to 60 km daily commutes

  • Reduced PHEV Road User Charges of $38 per 1,000 km apply since April 2024, roughly half the full EV rate.
  • Most daily driving runs on battery if charged nightly; longer trips fall back on the petrol engine without range anxiety.
  • Some NZ lenders apply a PHEV-specific or general green-vehicle loan tier, though it may be narrower than the full EV tier. Confirm eligibility when the broker quotes.
  • Servicing cost runs higher than an Atto 3 because the petrol drivetrain still needs oil changes and cam-belt attention over the long term.

Break-even heuristic

A practical rule on BYD drivetrains is as follows. Where the typical day is under 50 km and nightly home charging is available, the full EV Atto 3 or Seal commonly makes the economics work fastest. Where the week mixes short commutes with regular longer trips (Auckland to Tauranga, Wellington to New Plymouth), the Sealion 6 PHEV sidesteps the range-planning conversation without sacrificing most of the EV saving.

Japanese imports

Financing an imported BYD.

BYD is NZ-new only through the Ateco-distributed BYD New Zealand dealer network, but a small and growing pool of parallel-imported BYDs has started appearing on the NZ used market, mostly Chinese-domestic-spec Atto 3, Dolphin, and Han imports. The finance treatment of parallel imports diverges sharply from NZ-new and is worth understanding before you commit.

01

Warranty status on parallel-imported cars

A parallel-imported BYD from the Chinese market does not carry the BYD NZ factory warranty (6 years vehicle, 8 years battery), because that warranty is a BYD NZ policy attached to vehicles sold through the local dealer network. For finance purposes this matters because lenders treat a warranty-covered battery as a lower residual risk. Expect a standard secured-car rate rather than the EV tier, and a slightly tighter loan-to-value ratio.

02

Software update and telematics support

NZ-new BYDs receive over-the-air software updates and local diagnostics support through BYD NZ. Parallel imports may run Chinese-market firmware that does not accept NZ-region updates cleanly, which can affect infotainment, navigation, and occasionally driver-assist calibration. A specialist diagnostic workshop visit before settlement is commonly budgeted on a parallel import, with lender sign-off on funding it confirmed in advance.

03

Spare-parts and service-network access

BYD NZ dealers prioritise NZ-new vehicles for servicing and warranty parts. Parallel imports can still be serviced at the BYD dealer network but may face longer lead times on specific parts, particularly battery modules or high-voltage components. On a finance view this elongates any insurance claim or mechanical issue, which is why lenders typically price parallel imports 0.5 to 1.5 percentage points above an equivalent NZ-new application.

Case study

Worked example: financing a 2024 BYD Atto 3 Extended Range

The buyer

Primary-school teacher in Palmerston North, age 41, clean credit, $95,000 household income combined with partner, replacing a 2016 Kia Sportage petrol with 170,000 km.

The scenario

Purchasing a 2024 BYD Atto 3 Extended Range NZ-new from a BYD NZ dealer in Wellington for $50,000. Trade-in value on the Sportage: $9,000. Home already has a 10A garage socket with an off-peak electricity plan through a Meridian EV pricing tier; wall-box not required for the daily commute distance.

The outcome

Monthly household cash-flow impact is roughly $741 before running costs.

Fuel spend of around $48 a week on the old Sportage drops to about $9 a week of home-charged electricity, offset by roughly $17 a week of Road User Charges purchased in 1,000 km blocks through NZTA.

Net weekly running cost (electricity plus RUC minus former fuel spend) is roughly $22 a week lower than it was on the Sportage, which offsets about 13% of the weekly repayment against the previous combined motoring budget.

The Atto 3 remains under BYD NZ factory warranty for the full five-year loan term (6 years vehicle warranty from the original registration date) and under the 8-year high-voltage battery warranty well past the end of the loan, which materially simplifies the cost picture across the term.

At year 5 the Atto 3 is expected to sit around $22,000 to $28,000 on the NZ used market based on observed early BYD depreciation, though the band is wider than it would be on a brand with longer NZ residual history.

Illustrative example. Not a promise of approval or rate. Your circumstances and the lender's own credit decision will determine your actual outcome.

Affordability check

What can I afford on my income?

A rough sanity check. We assume repayments should sit under 10% of your take-home pay, with a 5-year term at 7%.

Not an affordability assessment. Real lender decisions consider all your debts, expenses, and history.

$70,000
$20k $250k

Indicative safe loan

$30,000

At ~$135/week

Stretch maximum

$45,000

Only with no other debts

Apply this to the calculator

Common questions

BYD finance FAQ.

Who distributes BYD in New Zealand, and does BYD offer its own finance here?

BYD New Zealand is distributed by Ateco Automotive, a specialist importer that handles several brands locally. BYD does not operate a captive-finance arm in New Zealand, so every BYD loan is arranged through an independent lender or broker. Some BYD NZ dealers refer customers to a preferred lender panel, but that is a referral relationship, not a subvented manufacturer finance rate.

Do NZ lenders apply the EV loan tier to BYD Atto 3 and Dolphin?

Most mainstream secured-car lenders in New Zealand now extend their EV loan tier to NZ-new Atto 3, Dolphin, and Seal on current terms. Indicative EV tier rates sit 0.5 to 1.5 percentage points below the standard secured-car rate. A handful of lenders apply age or km caps that can exclude earlier 2023 examples, and parallel-imported BYDs are typically excluded from the EV tier entirely.

How does BYD NZ's warranty work, and does it transfer to a used buyer?

BYD New Zealand offers a 6-year or 150,000 km vehicle warranty and an 8-year or 160,000 km high-voltage battery warranty on NZ-new cars sold through BYD NZ dealers (the BYD NZ site lists the current terms for specific vehicles). The warranty transfers to subsequent NZ owners provided the vehicle has been serviced to BYD NZ schedule; it does not apply to parallel-imported Chinese-market BYDs.

Can I finance a parallel-imported BYD from the Chinese market?

Yes, most NZ lenders will fund compliant parallel-imported BYDs provided the vehicle has cleared NZ entry compliance. Expect a rate 0.5 to 1.5 percentage points above an NZ-new equivalent because lender residual data is thinner, the BYD NZ warranty does not apply, and parts or software support is less certain. Keep the term to three to four years maximum on a parallel import.

How much deposit is typical when financing a BYD in NZ?

10 to 20% is the common range on a new NZ-new BYD, which is in line with mainstream EV finance more broadly. On a $50,000 Atto 3 that is $5,000 to $10,000. Parallel-import applications often see lenders ask for a larger deposit (20 to 30%) because the residual picture is less certain and warranty coverage is narrower. A larger deposit also typically unlocks a sharper rate.

Does the Sealion 6 PHEV qualify for a green-loan rate?

At some NZ lenders, yes, under a PHEV-specific tier or a broader efficient-vehicle loan product. The discount is usually narrower than the full EV tier discount because lenders price PHEVs between pure EVs and petrol hybrids on residual grounds. Confirm PHEV tier eligibility by name when a broker quotes, because the answer varies across the panel.

How does Road User Charges affect a BYD compared to a petrol SUV?

All BYD EVs (Atto 3, Dolphin, Seal) pay $76 per 1,000 km RUC in pre-paid blocks from NZTA since April 2024. The Sealion 6 PHEV pays the reduced $38 per 1,000 km rate. At 14,000 km a year, that is about $1,064 on an Atto 3 and about $532 on a Sealion 6. The figure needs to sit alongside the finance weekly when comparing against a petrol SUV.

Is a used NZ-new BYD a safer finance choice than a parallel import?

Generally yes, for three reasons: the BYD NZ factory warranty usually transfers, service records through BYD NZ dealers are cleaner, and lender residual-value assumptions are less conservative. The NZ-new price premium over a parallel import typically runs $3,000 to $8,000, which is often justified by the easier finance terms and the warranty umbrella over the loan period.

How long a term should I finance a BYD for?

Four to five years is the sensible range on an NZ-new Atto 3, Dolphin, or Seal because the BYD NZ vehicle warranty runs through most of the loan and the battery warranty runs well past the end. On a parallel import, three to four years is the practical ceiling because resale drops faster and warranty coverage is narrower. Seven-year terms are rarely a fit on a brand this new to the market.

Will BYD's arrival affect resale values on older used EVs like the Nissan Leaf?

To some extent, yes. A $48,000 new Atto 3 with an 8-year battery warranty and modern range compresses the premium a used Leaf import at $12,000 used to carry. The effect on Leaf residuals is gradual rather than sudden, and Leaf remains the cheapest path into an EV for smaller loan brackets, but the gap is narrowing as BYD used supply grows through 2026 and beyond.

What is the typical total cost of ownership on a financed Atto 3 over five years?

For a $48,000 NZ-new Atto 3 on a five-year EV-tier loan around 7.3%, finance costs total roughly $57,200 (principal plus interest). Add insurance (around $8,500), servicing (around $3,000), tyres (around $2,000), home charging (around $3,000), and RUC (around $5,300) for a rough all-in of $79,000 over five years. These figures are indicative and depend on km driven and electricity plan.

Can I roll the cost of a home EV charger install into my BYD loan?

Some lenders will fund a home wall-box install as part of an EV purchase loan, typically adding $2,000 to $4,500 to the principal. Doing so adds interest across the loan term, so a standalone personal loan or a cash purchase is usually cheaper overall. Several NZ electricity retailers offer interest-free or low-rate EV-charger finance that is worth comparing before rolling the cost into the car loan.

About this article
Published
23 April 2026
Last reviewed
23 April 2026

Methodology

Repayment figures on this page are calculated live from the inputs entered into the calculator using the standard amortised-loan formula. Indicative rates are drawn from observing publicly-advertised NZ secured EV, PHEV, and standard secured-car loan pricing across mainstream lenders in the twelve months before the last review date. BYD price bands are observed from recent TradeMe and AutoTrader listings alongside BYD NZ dealer pricing for new stock. Running-cost figures are cross-checked against EECA Gen Less, AA New Zealand, and NZTA Road User Charges guidance. We update the page annually, or sooner if BYD NZ adjusts pricing, range composition, or warranty terms.

Sources

Apply for BYD finance.

Our finance partner compares NZ lenders and returns a formal estimate after the lender's credit assessment. Calculator inputs travel through to the application so nothing gets re-typed.

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Disclaimer

A car loan is a commitment that runs for years, and repayments come out of the same pay cheque as everything else. Before committing, it is worth modelling the weekly and monthly cost against the household budget, which is what this site is built to help with. Borrowing at a level that stays comfortable on a bad week, not a good one, is widely regarded as the safer frame.

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