PEUGEOT 108 (2020)
Running costs, reliability data, and common problems from 6,744 real MOT tests.
Annual Cost
£1,405
£117/month
MOT Pass Rate
93%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
998cc Petrol
Great Choice
93% pass rate, £1405/year to run. 11 points above average.
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Annual Running Costs
~50 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the PEUGEOT brand average of 83%.
At 6 years old, 93% of PEUGEOT 108s from 2020 passed their MOT first time in 2026. That's based on 6,744 tests across the UK. The average mileage at this age is 20,056 miles.
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How Does It Compare?
Mileage Analysis
20,056
Average miles
44,400
Expected for age
The average 2020 PEUGEOT 108 has 20,056 miles on the clock, which is significantly below the expected 44,400 miles for a 6-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
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Best Year to Buy?
The most reliable year is the 2022 model with a 97% MOT pass rate, while the 2014 model has the lowest at 83%. The 2020 sits between the two at 93%.
PEUGEOT 108 by Year
Similar Cars to Consider
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About the 2020 PEUGEOT 108
The 2020 PEUGEOT 108 is a city car with a 998cc petrol engine. 6,744 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 20,056 miles at 6 years old, PEUGEOT 108 owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
2020 PEUGEOT 108 Fuel Costs
The modest 998cc 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 2020 PEUGEOT 108?
Total estimated annual running cost is £1,405 (£117/month), broken down as £955 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
PEUGEOT 108 Reliability Trend
Newer PEUGEOT 108s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2020 PEUGEOT 108
At 6 years old, the PEUGEOT 108 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2022 model has the highest pass rate at 97%. With 6,744 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
Based on the 2020 PEUGEOT 108's fuel type, age, and engine size, these are the most likely problem areas to check.
Coil Pack Failure
Medium riskSmaller petrol engines are prone to ignition coil failures, causing misfires and rough running. Replacement is £50-£150 per coil.
Service History
Low riskAlways 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 2020 PEUGEOT 108 stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PEUGEOT 108(2020) | 93% | £955 | £195 | Grp 1-8 | £1405 |
| FORD FIESTA(2018) | 90% | £955 | £190 | Grp 1-8 | £1400-£5 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582+£177 |
| VAUXHALL CORSA(2018) | 85% | £1137 | £190 | Grp 8-20 | £1732+£327 |
| NISSAN QASHQAI(2018) | 87% | £955 | £190 | Grp 5-15 | £1550+£145 |
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.
Related Peugeot Models
Explore other Peugeot cars or similar models in the same category.
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2018 · 1500cc Diesel
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2018 · 998cc Petrol
VOLKSWAGEN GOLF
2019 · 1498cc Petrol
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2018 · 1398cc Petrol
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