2012-2016 used
$20,000First RT-series D-Max. 3.0L diesel common, often 200,000+ km, popular as farm hacks.
Weekly
$91.39
Monthly
$396.02
The diesel-only double-cab ute sharing a platform with the Mazda BT-50.
Last reviewed: 23 April 2026
Your estimated repayment
Weekly
$192/week
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.
Isuzu D-Max finance calculator Not a lender. Not a broker. The Isuzu D-Max is the brand's volume model in New Zealand and the reason Isuzu NZ has the dealer footprint it does. It sits on the same ladder-frame platform as the Mazda BT-50, which means lenders apply the same mature residual-value modelling to both. Trim runs LS-M (base), LS, LS-U, and X-Terrain, and the 3.0L turbo-diesel is the only drivetrain. The buyer file is overwhelmingly commercial: sparkies, plumbers, builders, farm and lifestyle-block operators, small contracting businesses, with a growing tow-vehicle cohort picking the MU-X platform in ute form.
Calculate repaymentsIndicative only. Not a quote or offer of credit.
Year by year
Typical NZ market prices and the weekly cost of financing each. All figures assume 7% over 5 years with no deposit. Indicative only; open the full calculator to pre-set your own rate and term.
2012-2016 used
$20,000First RT-series D-Max. 3.0L diesel common, often 200,000+ km, popular as farm hacks.
Weekly
$91.39
Monthly
$396.02
2017-2019 used
$30,000Post-facelift RT. Improved interior and safety. The entry point for most used tradie buyers.
Weekly
$137.09
Monthly
$594.04
2020-2022 used
$44,000Current RG generation launched 2020. LS-U and X-Terrain common. New 3.0L diesel and 8-speed auto.
Weekly
$201.06
Monthly
$871.25
2023+ new
$58,000Current RG range with the 6-year / 150,000 km warranty. X-Terrain the popular top trim.
Weekly
$265.03
Monthly
$1,148.47
Who this suits
Financing notes
At $45,000 across a 5-year term at 8%, the weekly repayment sits at roughly $210 a week or $912 a month. Under a chattel mortgage the weekly is unchanged but the GST component ($5,870 on a $45,000 ex-GST price) comes back to the business in the next GST return, and finance interest is deductible across the term. The 6-year Isuzu NZ factory warranty on new D-Max covers the full loan term on most 5-year structures, which removes the case for bundling MBI into the loan.
Model-specific questions
If the D-Max is primarily a work vehicle and you are GST-registered, a business-finance structure almost always beats a personal loan. A chattel mortgage on a $55,000 D-Max returns about $7,174 of GST, makes the interest deductible, and lets you depreciate the asset. Personal finance loses all three benefits. The break-even question is whether business use clears the 80% threshold IRD and most accountants apply.
Yes, for almost all practical purposes. The two utes share the platform, the drivetrain, and the underlying residual-value model lenders run. Rate, loan-to-value, and term length are effectively identical on a like-for-like application. The real differences are dealer relationship, trim pricing, and the Isuzu 6-year warranty versus the Mazda warranty terms, none of which change the finance outcome materially.
For personal use, 4 to 5 years is the common range. For commercial use, it often depends on the business replacement cycle: 3 years if you plan to trade for something newer at the first sensible window, 4 to 5 years if you plan to hold through the warranty term. Going to 6 or 7 years is possible but interest charges grow quickly, and the resale strength that supports D-Max equity doesn't offset the extra interest.
Both are common, and which one fits depends on how the ute is actually used rather than what it looks like. Where it is mainly a work vehicle, a chattel mortgage is often the better structure, and your accountant confirms which side of the line it falls on.
Our finance partner compares multiple NZ lenders. Calculator inputs travel through to the application, and the partner returns a formal estimate after the lender's credit assessment.
Disclaimer
A car loan runs for years, and the repayment comes out of the same pay that covers everything else. This site exists to show you that weekly number before you sign anything. The payment that catches people out is the one that's fine on a good week and tight on a bad one.
Carfinance.org.nz receives a commission from Simplify when a visitor applies through this site and their application is approved. We refer every visitor to the same partner because they compare multiple New Zealand lenders on the applicant's behalf, so the referral is not driven by a sponsored deal. Simplify sets its own terms and fees and discloses them directly; anything you agree to happens on their side, not ours. Every figure shown on this site is a modelled estimate based on the inputs entered; the actual rate, fees, and repayments are set by the lender after assessing the applicant's circumstances and its own credit decision. Carfinance.org.nz is a calculator and information tool. We are not a lender, not a broker, and not a registered financial adviser. Any decision about whether a specific loan suits a specific situation is best made after talking with the lender, and for amounts that materially affect the household, with a registered financial adviser.
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