DETHLEFFS UNCLASSIFIED (2021)
Running costs, common problems, and reliability data based on 36 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
36
Avg Mileage
13,002 mi
Est. Annual Cost
£1,690
Is the 2021 DETHLEFFS UNCLASSIFIED reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the DETHLEFFS brand average of 90%.
At 3 years old, 94% of DETHLEFFS UNCLASSIFIEDs from 2021 passed their MOT first time in 2024. That's based on 36 tests across the UK. The average mileage at this age is 13,002 miles.
How does the 2021 DETHLEFFS UNCLASSIFIED compare?
Mileage Analysis
The average 2021 DETHLEFFS UNCLASSIFIED has 13,002 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a DETHLEFFS UNCLASSIFIED?
The most reliable year is the 2019 model with a 99% MOT pass rate, while the 2020 model has the lowest at 99%. The 2021 sits between the two at 94%.
How much does a 2021 DETHLEFFS UNCLASSIFIED 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.
DETHLEFFS UNCLASSIFIED by Year
Checking a specific DETHLEFFS UNCLASSIFIED?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 DETHLEFFS UNCLASSIFIED
The 2021 DETHLEFFS UNCLASSIFIED is a large car with a 2287cc diesel engine. 36 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 13,002 miles at 3 years old, DETHLEFFS UNCLASSIFIED owners tend to use this car less than the typical driver.
2021 DETHLEFFS UNCLASSIFIED Fuel Costs
The 2287cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 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 DETHLEFFS UNCLASSIFIED?
Total estimated annual running cost is £1,690 (£141/month), broken down as £1245 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 DETHLEFFS UNCLASSIFIED
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. If you're flexible on year, the 2019 model has the highest pass rate at 99%. Note: with only 36 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 DETHLEFFS UNCLASSIFIED
The DETHLEFFS UNCLASSIFIED is actually the most reliable option among similar diesel large cars from this era. Here are comparable diesel cars with similar engines:
- FORD KUGA (2019) 91% pass rate (-3%) from 72,831 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (-7%) from 59,814 tests
- BMW 118 (2020) 93% pass rate (-1%) from 38,549 tests
- VOLKSWAGEN T-ROC (2019) 94% pass rate (same) from 36,096 tests