ISUZU D-MAX (2020)
Running costs, common problems, and reliability data based on 4,081 real MOT tests in 2024.
MOT Pass Rate
86%
Total Tests (2024)
4,081
Avg Mileage
50,699 mi
Est. Annual Cost
£1,632
Is the 2020 ISUZU D-MAX reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It also outperforms the ISUZU brand average of 78%.
At 4 years old, 86% of ISUZU D-MAXs from 2020 passed their MOT first time in 2024. That's based on 4,081 tests across the UK. The average mileage at this age is 50,699 miles.
How does the 2020 ISUZU D-MAX compare?
Mileage Analysis
The average 2020 ISUZU D-MAX has 50,699 miles on the clock, which is well above the expected 29,600 miles for a 4-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2020 ISUZU D-MAX 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 by Year
Checking a specific ISUZU D-MAX?
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About the 2020 ISUZU D-MAX
The 2020 ISUZU D-MAX is a family car with a 1898cc diesel engine. 4,081 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It sits in the bottom 88% of 2020 cars for MOT pass rates.
With an average of 50,699 miles at 4 years old, ISUZU D-MAX owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2020 ISUZU D-MAX 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 2020 ISUZU D-MAX?
Total estimated annual running cost is £1,632 (£136/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.
ISUZU D-MAX Reliability Trend
Newer ISUZU D-MAXs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2020 ISUZU D-MAX
At 4 years old, the ISUZU D-MAX offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2020 ISUZU D-MAX
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2018) 92% pass rate (+6%) from 111,972 tests
- FORD FOCUS (2019) 89% pass rate (+3%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (+5%) from 89,588 tests
- MERCEDES A-CLASS (2018) 89% pass rate (+3%) from 81,134 tests