How much does a 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S cost to run?

Estimated annual running cost is £1,505 (£125/month), including £905 fuel, £195 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S?

The 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S has a 86% MOT pass rate based on 430 tests in 2026. This ranks 516 out of 649 cars from 2018.

Which year DS DS7 C-BACK PFRMNC LN B-HDI S/S is most reliable?

The 2021 DS DS7 C-BACK PFRMNC LN B-HDI S/S has the highest MOT pass rate at 96%. The least reliable year is 2018 at 86%.

What is the average mileage for a 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S?

The average mileage for a 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S is 50,661 miles, which is in line with the expected 59,200 miles for a 8-year-old car, suggesting normal everyday use.

DS DS7 C-BACK PFRMNC LN B-HDI S/S (2018)

Q: Is the 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S reliable?

Good reliability. Occasional issues but generally solid. 86% of DS DS7 C-BACK PFRMNC LN B-HDI S/Ss from 2018 passed their MOT first time in 2026, based on 430 tests. That's 4 points above the national average of 82%.

Running costs, reliability data, and common problems from 430 real MOT tests.

Annual Cost

£1,505

£125/month

MOT Pass Rate

86%

Good

Road Tax

£195

Flat rate/year

Insurance

Grp 12-25

1499cc Diesel

Solid Option

86% pass rate, £1505/year to run. Close to the national average.

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Diesel1499cc8 years old430 tests51k miles avg

Annual Running Costs

Fuel (Diesel, 1499cc)

~55 mpg

£905

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

£350

Total per year£1,505

Per month£125/mo

Per week£29/wk

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

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Reliability Verdict

86% MOT pass rate(Good)

0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 8 years old, 86% of DS DS7 C-BACK PFRMNC LN B-HDI S/Ss from 2018 passed their MOT first time in 2026. That's based on 430 tests across the UK. The average mileage at this age is 50,661 miles.

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How Does It Compare?

Rank among 2018 cars516th of 649(top 80%)

Rank among DS models37th of 53(top 70%)

vs national average+4%(82% avg)

vs 2018 cars average-3%(89% avg)

vs DS average-2%(88% avg)

Mileage Analysis

50,661

Average miles

59,200

Expected for age

The average 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S has 50,661 miles on the clock, which is in line with the expected 59,200 miles for a 8-year-old car, suggesting normal everyday use.

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Best Year to Buy?

The most reliable year is the 2021 model with a 96% MOT pass rate, while the 2018 model has the lowest at 86%. Consider a different year if reliability is a priority.

DS DS7 C-BACK PFRMNC LN B-HDI S/S by Year

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

Similar Cars to Consider

VOLKSWAGEN GOLF

2017 · 1598cc Diesel

£1,350/year

91%

+5%

FORD FOCUS

2019 · 1499cc Diesel

£1,500/year

89%

+3%

MERCEDES A

2019 · 1461cc Diesel

£1,350/year

91%

+5%

MERCEDES A-CLASS

2017 · 1461cc Diesel

£1,500/year

88%

+2%

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About the 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S

The 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S is a small family car with a 1499cc diesel engine. 430 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. It sits in the bottom 80% of 2018 cars for MOT pass rates.

With an average of 50,661 miles at 8 years old, DS DS7 C-BACK PFRMNC LN B-HDI S/S owners drive about as much as the UK average.

2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S Fuel Costs

The 1499cc 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). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S?

Total estimated annual running cost is £1,505 (£125/month), broken down as £905 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.

DS DS7 C-BACK PFRMNC LN B-HDI S/S Reliability Trend

Newer DS DS7 C-BACK PFRMNC LN B-HDI S/Ss show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S

At 8 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage.

Common Issues to Watch For

Based on the 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

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 2018 DS DS7 C-BACK PFRMNC LN B-HDI S/S stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
DS DS7 C-BACK PFRMNC LN B-HDI S/S(2018)	86%	£905	£195	Grp 12-25	£1505
VOLKSWAGEN GOLF(2017)	91%	£905	£190	Grp 12-25	£1350-£155
FORD FOCUS(2019)	89%	£905	£190	Grp 12-25	£1500-£5
MERCEDES A(2019)	91%	£905	£190	Grp 12-25	£1350-£155
MERCEDES A-CLASS(2017)	88%	£905	£190	Grp 12-25	£1500-£5

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.