DS DS7 C-BACK PFRMNC LN BHDI SS A (2021)
Running costs, common problems, and reliability data based on 30 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
30
Avg Mileage
28,336 mi
Est. Annual Cost
£1,350
Is the 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 3 years old, 90% of DS DS7 C-BACK PFRMNC LN BHDI SS As from 2021 passed their MOT first time in 2024. That's based on 30 tests across the UK. The average mileage at this age is 28,336 miles.
How does the 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A compare?
Mileage Analysis
The average 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A has 28,336 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a DS DS7 C-BACK PFRMNC LN BHDI SS A?
The most reliable year is the 2019 model with a 89% MOT pass rate, while the 2018 model has the lowest at 82%. The 2021 sits between the two at 90%.
How much does a 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A 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.
DS DS7 C-BACK PFRMNC LN BHDI SS A by Year
Checking a specific DS DS7 C-BACK PFRMNC LN BHDI SS A?
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About the 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A
The 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A is a small family car with a 1500cc diesel engine. 30 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 79% of 2021 cars for MOT pass rates.
With an average of 28,336 miles at 3 years old, DS DS7 C-BACK PFRMNC LN BHDI SS A owners cover more miles than the average driver.
2021 DS DS7 C-BACK PFRMNC LN BHDI SS A Fuel Costs
The 1500cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 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 DS DS7 C-BACK PFRMNC LN BHDI SS A?
Total estimated annual running cost is £1,350 (£113/month), broken down as £905 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
DS DS7 C-BACK PFRMNC LN BHDI SS A Reliability Trend
Newer DS DS7 C-BACK PFRMNC LN BHDI SS As show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A
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 89%. Note: with only 30 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 DS DS7 C-BACK PFRMNC LN BHDI SS A
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-1%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (+1%) from 89,588 tests
- FORD KUGA (2019) 91% pass rate (+1%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-1%) from 65,751 tests