Peugeot 508 (2014)

Estimated running costs and MOT pass rates from 2,630 MOT tests in 2024.

Annual Cost

£2,077

£173/month

MOT Pass Rate

80%

Good

Road Tax

£275

Estimated/year

Est. Insurance

Grp 18-32

1997cc Diesel hybrid

Solid Option

80% pass rate, £2,077/year to run. Close to the average across all models.

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Diesel hybrid1997cc12 years old2,630 tests105k miles avg

Annual Running Costs

Fuel (Diesel hybrid, 1997cc)

~48 mpg (diesel-engine estimate; hybrids usually use less)

£1,397

Road Tax

Estimated CO2 band

£275

MOT Test

£55

Predicted Repairs

£350

Total per year£2,077

Per month£173/mo

Per week£40/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p 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.

Reliability Verdict

80% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.

80% of MOT tests on Peugeot 508s from 2014 ended in a pass in 2024, when they were about 10 years old. That's based on 2,630 tests across the UK, retests included. The average mileage recorded at those tests was 104,798 miles.

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How Does It Compare?

Rank among 2014 models373rd of 527(bottom half)

Rank among Peugeot models438th of 709(bottom half)

vs average of all models-2%(82% avg)

vs 2014 models average-1%(81% avg)

vs Peugeot average-3%(83% avg)

Mileage Analysis

104,798

Average miles

74,000

Expected for age

The average 2014 Peugeot 508 had 104,798 miles on the clock at its 2024 MOT, which is above the expected 74,000 miles for a 10-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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Best Year to Buy?

Of the years with at least 100 tests, the 2018 model has the highest MOT pass rate at 95%, while the 2013 model has the lowest at 77%. The 2014 scores 80%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Peugeot 508 by Year

Year	Pass Rate	Tests	Avg Mileage
2021	88%	1,948	35,816 mi
2020	87%	2,662	47,497 mi
2019	89%	4,928	47,447 mi
2018	95%	1,026	44,103 mi
2017	85%	765	76,001 mi
2016	81%	1,676	84,224 mi
2015	81%	1,974	96,741 mi
2014	80%	2,630	104,798 mi
2013	77%	5,473	114,840 mi
2012	78%	6,805	124,465 mi
2011	78%	4,763	126,235 mi

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About the 2014 Peugeot 508

The 2014 Peugeot 508 is a family car. Our records list a 1997cc diesel hybrid engine, though engines vary between versions. 2,630 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2014, the average MOT pass rate is 81%, and this model falls short of that benchmark.

With an average of 104,798 miles recorded at its 2024 MOT tests, Peugeot 508 owners cover more miles than the average driver.

2014 Peugeot 508 Fuel Costs

The 1997cc diesel hybrid engine offers a reasonable balance between performance and economy. Our estimate uses around 48 mpg, the figure for a diesel engine of this size, which works out to roughly £1,397 per year with diesel at 199.33p 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 2014 Peugeot 508?

Total estimated annual running cost is £2,077 (£173/month), broken down as £1,397 fuel, £275 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 80% pass rate. Keeping on top of servicing will help avoid surprises.

Peugeot 508 Reliability Trend

Newer Peugeot 508s pass their MOT more often than older ones, by 9 percentage points on average, which is mostly down to age and wear.

Buying a Used 2014 Peugeot 508

At 12 years old, the Peugeot 508 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2018 model has the highest pass rate at 95%.

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

Watch out

After 12 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

Medium 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.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Watch out

With an average of 105k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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.

Questions about the 2014 Peugeot 508

Is the 2014 Peugeot 508 reliable?

Good reliability. Occasional issues but generally solid. 80% of MOT tests on 2014 Peugeot 508s ended in a pass, from 2,630 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points below the average of 82% across all models in the same data.

How much does a 2014 Peugeot 508 cost to run?

Our estimate is £2,077 a year (£173 a month): £1,397 fuel, £275 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2014 Peugeot 508?

80% of 2,630 MOT tests on the 2014 Peugeot 508 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 373rd of 527 models first registered in 2014 (bottom half).

Which year Peugeot 508 has the best MOT pass rate?

Of the years with at least 100 tests, the 2018 Peugeot 508 has the highest MOT pass rate at 95% and the 2013 the lowest at 77%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2014 Peugeot 508?

The average mileage recorded at MOT tests on the 2014 Peugeot 508 is 104,798 miles, which is above the expected 74,000 miles for a 10-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.