DS DS7 C-Back Pfrmnc LN B-HDI S/S

Reliability, estimated running costs, and MOT data across 4 model years from 834 MOT tests in 2024.

Avg Pass Rate

90%

Total Tests

834

Highest Pass Rate

2020 (90%)

Years Covered

About the DS DS7 C-Back Pfrmnc LN B-HDI S/S

The DS DS7 C-Back Pfrmnc LN B-HDI S/S was MOT tested 834 times in 2024 (DVSA data, retests included) across 4 model years (2018 to 2021), with an average pass rate of 90%. That's comfortably above the average of 82% across all models in our data. Our records list diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2020 model has the highest pass rate at 90% from 164 tests. The 2018 model has the lowest at 86%. With just a 4 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer DS DS7 C-Back Pfrmnc LN B-HDI S/Ss pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2018) averages 50,661 miles, while the newest (2021) averages 27,478 miles.

Estimated Running Costs

Fuel (Diesel, 1499cc)

£1,219

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£1,674

Per month£140/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the DS DS7 C-Back Pfrmnc LN B-HDI S/S?

vs average of all models+8% (82% avg)

vs DS brand average+2% (88% avg)

Best to worst year spread4 percentage points

Reliability trendImproving over years

DS DS7 C-Back Pfrmnc LN B-HDI S/S by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2021	96%	73	27,478 mi
2020	90%	164	39,499 mi
2019	89%	167	51,477 mi
2018	86%	430	50,661 mi

Questions about the DS DS7 C-Back Pfrmnc LN B-HDI S/S

Is the DS DS7 C-Back Pfrmnc LN B-HDI S/S reliable?

Across its 4 model years in our data (2018 to 2021), the DS DS7 C-Back Pfrmnc LN B-HDI S/S averages a 90% MOT pass rate, from 834 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data. The 2020 model has the highest pass rate of the years with at least 100 tests, at 90%.

Which year DS DS7 C-Back Pfrmnc LN B-HDI S/S has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 DS DS7 C-Back Pfrmnc LN B-HDI S/S has the highest MOT pass rate at 90%, while the 2018 model has the lowest at 86%, a 4 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Are newer DS DS7 C-Back Pfrmnc LN B-HDI S/Ss more reliable?

Newer DS DS7 C-Back Pfrmnc LN B-HDI S/Ss pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.