DS DS7 Cback Ultra Prstg PHEV4X4A (2021)

Estimated running costs and MOT pass rates from 78 MOT tests in 2024.

Annual Cost

£1,853

£154/month

MOT Pass Rate

96%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 12-25

1600cc Hybrid

Great Choice

96% pass rate, £1,853/year to run. 14 points above average.

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Hybrid1600cc5 years old78 tests31k miles avg

Annual Running Costs

Fuel (Hybrid, 1600cc)

~42 mpg (petrol-engine estimate; hybrids usually use less)

£1,398

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,853

Per month£154/mo

Per week£36/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).

Reliability Verdict

96% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 14 points above the average of 82% across all models in our data. It also outperforms the DS brand average of 88%.

96% of MOT tests on DS DS7 Cback Ultra Prstg PHEV4X4As from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 78 tests across the UK, retests included. The average mileage recorded at those tests was 30,729 miles.

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How Does It Compare?

Rank among 2021 models658th of 3,336(top 20%)

Rank among DS models5th of 52(top 10%)

vs average of all models+14%(82% avg)

vs 2021 models average+4%(92% avg)

vs DS average+8%(88% avg)

Mileage Analysis

30,729

Average miles

22,200

Expected for age

The average 2021 DS DS7 Cback Ultra Prstg PHEV4X4A had 30,729 miles on the clock at its 2024 MOT, 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.

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DS DS7 Cback Ultra Prstg PHEV4X4A by Year

Year	Pass Rate	Tests	Avg Mileage
2021	96%	78	30,729 mi
2020	93%	320	35,572 mi

Similar Cars to Consider

Toyota Yaris

2019 · 1497cc Hybrid

£1,853/year

93%

-3%

MINI Cooper S

2019 · 1499cc Hybrid

£1,853/year

92%

-4%

Land Rover Range Rover Sport

2019 · 1997cc Hybrid

£2,086/year

94%

-2%

Toyota Prius

2019 · 1797cc Hybrid

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About the 2021 DS DS7 Cback Ultra Prstg PHEV4X4A

The 2021 DS DS7 Cback Ultra Prstg PHEV4X4A is a small family car. Our records list a 1600cc hybrid engine, though engines vary between versions. 78 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 20% of all 2021 models for MOT pass rate.

With an average of 30,729 miles recorded at its 2024 MOT tests, DS DS7 Cback Ultra Prstg PHEV4X4A owners cover more miles than the average driver.

2021 DS DS7 Cback Ultra Prstg PHEV4X4A Fuel Costs

The 1600cc hybrid engine offers a reasonable balance between performance and economy. Our estimate uses around 42 mpg, the figure for a petrol engine of this size, which works out to roughly £1,398 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). As a hybrid it should use less than that, and real-world fuel costs depend a lot on how much electric-only driving you do.

What does it cost to own a 2021 DS DS7 Cback Ultra Prstg PHEV4X4A?

Total estimated annual running cost is £1,853 (£154/month), broken down as £1,398 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 DS DS7 Cback Ultra Prstg PHEV4X4A

At 5 years old, the DS DS7 Cback Ultra Prstg PHEV4X4A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 78 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Hybrid Battery Health

Medium risk

After 5 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.

Inverter and Power Electronics

Low risk

The inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.

Regenerative Braking

Medium risk

Brake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2021 DS DS7 Cback Ultra Prstg PHEV4X4A stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
DS DS7 Cback Ultra Prstg PHEV4X4A(2021)	96%	£1,398	£200	Grp 12-25	£1,853
Toyota Yaris(2019)	93%	£1,398	£200	Grp 12-25	£1,853same
MINI Cooper S(2019)	92%	£1,398	£200	Grp 12-25	£1,853same
Land Rover Range Rover Sport(2019)	94%	£1,631	£200	Grp 18-32	£2,086+£233
Toyota Prius(2019)	94%	£1,631	£200	Grp 18-32	£2,086+£233

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2021 DS DS7 Cback Ultra Prstg PHEV4X4A

Is the 2021 DS DS7 Cback Ultra Prstg PHEV4X4A reliable?

Excellent reliability. Very few MOT failures. 96% of MOT tests on 2021 DS DS7 Cback Ultra Prstg PHEV4X4As ended in a pass, from 78 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data.

How much does a 2021 DS DS7 Cback Ultra Prstg PHEV4X4A cost to run?

Our estimate is £1,853 a year (£154 a month): £1,398 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2021 DS DS7 Cback Ultra Prstg PHEV4X4A?

96% of 78 MOT tests on the 2021 DS DS7 Cback Ultra Prstg PHEV4X4A ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 658th of 3,336 models first registered in 2021 (top 20%).

What is the average mileage for a 2021 DS DS7 Cback Ultra Prstg PHEV4X4A?

The average mileage recorded at MOT tests on the 2021 DS DS7 Cback Ultra Prstg PHEV4X4A is 30,729 miles, 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.