ISUZU D-MAX XTR NAV + AUTO (2021)
Running costs, common problems, and reliability data based on 99 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
99
Avg Mileage
30,305 mi
Est. Annual Cost
£1,482
Is the 2021 ISUZU D-MAX XTR NAV + AUTO reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the ISUZU brand average of 78%.
At 3 years old, 94% of ISUZU D-MAX XTR NAV + AUTOs from 2021 passed their MOT first time in 2024. That's based on 99 tests across the UK. The average mileage at this age is 30,305 miles.
How does the 2021 ISUZU D-MAX XTR NAV + AUTO compare?
Mileage Analysis
The average 2021 ISUZU D-MAX XTR NAV + AUTO has 30,305 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
How much does a 2021 ISUZU D-MAX XTR NAV + AUTO cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
ISUZU D-MAX XTR NAV + AUTO by Year
Checking a specific ISUZU D-MAX XTR NAV + AUTO?
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About the 2021 ISUZU D-MAX XTR NAV + AUTO
The 2021 ISUZU D-MAX XTR NAV + AUTO is a family car with a 1898cc diesel engine. 99 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 30,305 miles at 3 years old, ISUZU D-MAX XTR NAV + AUTO owners cover more miles than the average driver.
2021 ISUZU D-MAX XTR NAV + AUTO Fuel Costs
The 1898cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 ISUZU D-MAX XTR NAV + AUTO?
Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 ISUZU D-MAX XTR NAV + AUTO
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 99 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 ISUZU D-MAX XTR NAV + AUTO
The ISUZU D-MAX XTR NAV + AUTO is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-5%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (-3%) from 89,588 tests
- FORD KUGA (2019) 91% pass rate (-3%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-5%) from 65,751 tests