Dethleffs Unclassified
Reliability, running costs, and MOT data across 7 years from 351 real MOT tests.
Avg Pass Rate
92%
Total Tests
351
Best Year
2019 (99%)
Years Covered
7
About the Dethleffs Unclassified
The Dethleffs Unclassified has been tested 351 times in 2026 MOT data across 7 model years (2015 to 2021), with an average pass rate of 92%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.
Best and Worst Years
The 2019 model is the most reliable with a 99% pass rate from 87 tests. The 2015 model has the lowest at 70%. With a 29 point spread, choosing the right year makes a big difference to reliability.
Mileage Across Years
The oldest model in our data (2015) averages 25,414 miles, while the newest (2021) averages 13,002 miles.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Dethleffs Unclassified?
Dethleffs Unclassified by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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