CarCostCheck

DS DS3 C-BACK PFRMC LN+ PTCH SS A (2021)

Running costs, common problems, and reliability data based on 335 real MOT tests in 2024.

MOT Pass Rate

91%

Total Tests (2024)

335

Avg Mileage

23,341 mi

Est. Annual Cost

£1,400

Is the 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A reliable?

Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%.

At 3 years old, 91% of DS DS3 C-BACK PFRMC LN+ PTCH SS As from 2021 passed their MOT first time in 2024. That's based on 335 tests across the UK. The average mileage at this age is 23,341 miles.

How does the 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A compare?

Rank among all 2021 cars2308th out of 3,373(top 68%)
Rank among all DS models17th out of 53(top 32%)
vs national average+9% (82% avg)
vs 2021 cars average-1% (92% avg)
vs DS average+3% (88% avg)

Mileage Analysis

The average 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A has 23,341 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

How much does a 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A cost to run?

Fuel (Petrol, 1200cc)
£955
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,400
Per month£117/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

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About the 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A

The 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A is a city car with a 1200cc petrol engine. 335 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.

With an average of 23,341 miles at 3 years old, DS DS3 C-BACK PFRMC LN+ PTCH SS A owners drive about as much as the UK average.

2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A Fuel Costs

The modest 1200cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A?

Total estimated annual running cost is £1,400 117/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 DS DS3 C-BACK PFRMC LN+ PTCH 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.

Alternatives to the 2021 DS DS3 C-BACK PFRMC LN+ PTCH SS A

If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines: