Peugeot 308 (2018)

Estimated running costs and MOT pass rates from 14,625 MOT tests in 2024.

Annual Cost

£1,780

£148/month

MOT Pass Rate

85%

Good

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 5-15

1200cc Petrol

Solid Option

85% pass rate, £1,780/year to run. Close to the average across all models.

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Petrol1200cc8 years old14,625 tests55k miles avg

Annual Running Costs

Fuel (Petrol, 1200cc)

~50 mpg

£1,175

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

£350

Total per year£1,780

Per month£148/mo

Per week£34/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

85% 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.

85% of MOT tests on Peugeot 308s from 2018 ended in a pass in 2024, when they were about 6 years old. That's based on 14,625 tests across the UK, retests included. The average mileage recorded at those tests was 55,056 miles.

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How Does It Compare?

Rank among 2018 models489th of 607(bottom 20%)

Rank among Peugeot models352nd of 709(top half)

vs average of all models+3%(82% avg)

vs 2018 models average-4%(89% avg)

vs Peugeot average+2%(83% avg)

Mileage Analysis

55,056

Average miles

44,400

Expected for age

The average 2018 Peugeot 308 had 55,056 miles on the clock at its 2024 MOT, which is above the expected 44,400 miles for a 6-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 2020 model has the highest MOT pass rate at 91%, while the 2007 model has the lowest at 66%. The 2018 scores 85%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Peugeot 308 by Year

Year	Pass Rate	Tests	Avg Mileage
2021	90%	1,072	47,318 mi
2020	91%	5,513	35,327 mi
2019	89%	11,682	45,523 mi
2018	85%	14,625	55,056 mi
2017	83%	15,930	65,154 mi
2016	81%	25,851	73,237 mi
2015	80%	25,169	81,569 mi
2014	77%	21,978	85,501 mi
2013	75%	18,528	91,359 mi
2012	75%	18,511	96,720 mi
2011	74%	17,785	98,469 mi
2010	71%	23,677	101,138 mi
2009	70%	22,832	104,084 mi
2008	68%	16,248	106,310 mi
2007	66%	1,771	105,002 mi

Similar Cars to Consider

Ford Fiesta

2016 · 998cc Petrol

£1,600/year

81%

-4%

Vauxhall Corsa

2016 · 1398cc Petrol

£2,003/year

81%

-4%

Ford Focus

2016 · 1596cc Petrol

£2,078/year

87%

+2%

Nissan Qashqai

2017 · 1200cc Petrol

£1,780/year

86%

+1%

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About the 2018 Peugeot 308

The 2018 Peugeot 308 is a city car. Our records list a 1200cc petrol engine, though engines vary between versions. 14,625 MOT tests were recorded on this model in 2024, making it one of the most commonly tested models on UK roads. It sits in the bottom 20% of 2018 models for MOT pass rate.

With an average of 55,056 miles recorded at its 2024 MOT tests, Peugeot 308 owners cover more miles than the average driver.

2018 Peugeot 308 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 £1,175 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).

What does it cost to own a 2018 Peugeot 308?

Total estimated annual running cost is £1,780 (£148/month), broken down as £1,175 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 85% pass rate. Keeping on top of servicing will help avoid surprises.

Peugeot 308 Reliability Trend

Newer Peugeot 308s pass their MOT more often than older ones, by 13 percentage points on average, which is mostly down to age and wear.

Buying a Used 2018 Peugeot 308

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. If you're flexible on year, the 2020 model has the highest pass rate at 91%. With 14,625 MOT tests in our data, there's strong statistical confidence in these figures.

What the 2018 Peugeot 308 Fails Its MOT On

Share of the 1,965 MOT tests on the 2018 Peugeot 308 that failed at the first attempt in 2025, next to all cars and vans of the same age.

Lights and electrics32%
Same age: 27%
Tyres29%
Same age: 29%
Suspension22%
Same age: 20%
Brakes18%
Same age: 19%

DVSA anonymised MOT data for 2025; a test that failed on two areas counts in both. How we count it · Peugeot 308 reliability, common problems and years to avoid

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.

Coil Pack Failure

Medium risk

Smaller petrol engines are prone to ignition coil failures, causing misfires and rough running. Replacement is £50-£150 per coil.

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 Peugeot 308 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
Peugeot 308(2018)	85%	£1,175	£200	Grp 5-15	£1,780
Ford Fiesta(2016)	81%	£1,175	£20	Grp 1-8	£1,600-£180
Vauxhall Corsa(2016)	81%	£1,398	£200	Grp 8-20	£2,003+£223
Ford Focus(2016)	87%	£1,398	£275	Grp 12-25	£2,078+£298
Nissan Qashqai(2017)	86%	£1,175	£200	Grp 5-15	£1,780same

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 2018 Peugeot 308

Is the 2018 Peugeot 308 reliable?

Good reliability. Occasional issues but generally solid. 85% of MOT tests on 2018 Peugeot 308s ended in a pass, from 14,625 tests (DVSA MOT data for tests in 2024, retests included). That's 3 points above the average of 82% across all models in the same data.

How much does a 2018 Peugeot 308 cost to run?

Our estimate is £1,780 a year (£148 a month): £1,175 fuel, £200 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 2018 Peugeot 308?

85% of 14,625 MOT tests on the 2018 Peugeot 308 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 489th of 607 models first registered in 2018 (bottom 20%).

Which year Peugeot 308 has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Peugeot 308 has the highest MOT pass rate at 91% and the 2007 the lowest at 66%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2018 Peugeot 308?

The average mileage recorded at MOT tests on the 2018 Peugeot 308 is 55,056 miles, which is above the expected 44,400 miles for a 6-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.