FORD FIESTA STLINE X EDITION T MHEV (2021)
Running costs, reliability data, and common problems from 5,254 real MOT tests.
Annual Cost
£1,405
£117/month
MOT Pass Rate
92%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
999cc Hybrid
Great Choice
92% pass rate, £1405/year to run. 10 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 10 points above the national average of 82%. It also outperforms the FORD brand average of 85%.
At 5 years old, 92% of FORD FIESTA STLINE X EDITION T MHEVs from 2021 passed their MOT first time in 2026. That's based on 5,254 tests across the UK. The average mileage at this age is 22,074 miles.
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How Does It Compare?
Mileage Analysis
22,074
Average miles
37,000
Expected for age
The average 2021 FORD FIESTA STLINE X EDITION T MHEV has 22,074 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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FORD FIESTA STLINE X EDITION T MHEV by Year
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About the 2021 FORD FIESTA STLINE X EDITION T MHEV
The 2021 FORD FIESTA STLINE X EDITION T MHEV is a city car with a 999cc hybrid engine. 5,254 of these vehicles were MOT tested in 2026, making it a reasonably common sight 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 22,074 miles at 5 years old, FORD FIESTA STLINE X EDITION T MHEV owners tend to use this car less than the typical driver.
2021 FORD FIESTA STLINE X EDITION T MHEV Fuel Costs
The modest 999cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2021 FORD FIESTA STLINE X EDITION T MHEV?
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 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 FORD FIESTA STLINE X EDITION T MHEV
At 5 years old, the FORD FIESTA STLINE X EDITION T MHEV offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. With 5,254 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
Based on the 2021 FORD FIESTA STLINE X EDITION T MHEV's fuel type, age, and engine size, these are the most likely problem areas to check.
Hybrid Battery Health
Medium riskAfter 5 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
Low riskThe 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 riskBrake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.
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 FORD FIESTA STLINE X EDITION T MHEV stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| FORD FIESTA STLINE X EDITION T MHEV(2021) | 92% | £955 | £195 | Grp 1-8 | £1405 |
| TOYOTA YARIS(2019) | 93% | £1137 | £190 | Grp 12-25 | £1582+£177 |
| MINI COOPER S(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582+£177 |
| VOLVO XC40(2021) | 93% | £1137 | £190 | Grp 12-25 | £1582+£177 |
| MINI COUNTRYMAN(2019) | 93% | £1137 | £190 | Grp 12-25 | £1582+£177 |
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.
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TOYOTA YARIS
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