PEUGEOT 308 ALLURE DIG SW BHDI S/S A (2021)
Running costs, reliability data, and common problems from 36 real MOT tests.
Annual Cost
£1,355
£113/month
MOT Pass Rate
92%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1500cc Diesel
Great Choice
92% pass rate, £1355/year to run. 10 points above average.
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Annual Running Costs
~55 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 10 points above the national average of 82%. It also outperforms the PEUGEOT brand average of 83%.
At 5 years old, 92% of PEUGEOT 308 ALLURE DIG SW BHDI S/S As from 2021 passed their MOT first time in 2026. That's based on 36 tests across the UK. The average mileage at this age is 44,487 miles.
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Mileage Analysis
44,487
Average miles
37,000
Expected for age
The average 2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A has 44,487 miles on the clock, which is above the expected 37,000 miles for a 5-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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About the 2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A
The 2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A is a small family car with a 1500cc diesel engine. 36 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 44,487 miles at 5 years old, PEUGEOT 308 ALLURE DIG SW BHDI S/S A owners cover more miles than the average driver.
2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A Fuel Costs
The 1500cc 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 2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A?
Total estimated annual running cost is £1,355 (£113/month), broken down as £905 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A
At 5 years old, the PEUGEOT 308 ALLURE DIG SW BHDI S/S A 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 36 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Low riskExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
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 2021 PEUGEOT 308 ALLURE DIG SW BHDI S/S A stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PEUGEOT 308 ALLURE DIG SW BHDI S/S A(2021) | 92% | £905 | £195 | Grp 12-25 | £1355 |
| FORD FOCUS(2019) | 89% | £905 | £190 | Grp 12-25 | £1500+£145 |
| MERCEDES A(2019) | 91% | £905 | £190 | Grp 12-25 | £1350-£5 |
| FORD KUGA(2019) | 91% | £1037 | £190 | Grp 18-32 | £1482+£127 |
| VOLKSWAGEN POLO(2019) | 89% | £905 | £190 | Grp 12-25 | £1500+£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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PEUGEOT 3008
2018 · 1500cc Diesel
FORD FOCUS
2019 · 1499cc Diesel
MERCEDES A
2019 · 1461cc Diesel
FORD KUGA
2019 · 1997cc Diesel
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