CarCostCheck

Dethleffs

Running costs, reliability, and MOT data for 4 models from 741 real MOT tests.

Avg Pass Rate

90%

Total Tests

741

Models

4

Years Covered

2015-2021

Most Reliable

Pulse

93% pass rate

Least Reliable

Esprit

78% pass rate

Most Popular

Unclassified

351 tests

All Dethleffs Models

ModelYearsPass RateTestsFuel
Unclassified7 yrs92%351Diesel
Trend4 yrs88%305Diesel
Pulse1 yr93%45Diesel
Esprit1 yr78%40Diesel

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How reliable is Dethleffs?

Brand ranking51th out of 145 manufacturers
vs national average+8% (82% avg)
Models above 85% pass rate3 of 4
Reliability spread (best to worst)15 percentage points

About Dethleffs Cars

Dethleffs ranks 51th out of 145 car manufacturers for MOT reliability, with an average pass rate of 90%. That's 8 points above the national average of 82%, making Dethleffs one of the more dependable brands on UK roads.

With 4 models across 7 years of data (2015 to 2021), there's a moderate spread of 15 percentage points between models. Some Dethleffss are notably more reliable than others.

Most and Least Reliable Dethleffs Models

The Pulse leads the range with a 93% average pass rate from 45 tests. At the other end, the Esprit has the lowest at 78%. Overall, more than half of Dethleffs's models achieve above-average pass rates, which is a good sign for the brand.

Dethleffs Fuel Types

Dethleffs models in our data come in 4 diesel variants. Both petrol and diesel options are available across the range.

Click any model above to see detailed year-by-year reliability data, running cost breakdowns, and comparisons with similar cars. You can also enter a specific registration plate to get a full vehicle report with MOT history, mileage verification, and health score.