TESLA MODEL 3 STANDARD RANGE + (2021)
Running costs, reliability data, and common problems from 15,258 real MOT tests.
Annual Cost
£1,100
£92/month
MOT Pass Rate
88%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
0cc Electric
Solid Option
88% pass rate, £1100/year to run. 6 points above average.
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Annual Running Costs
Flat rate (post-2017)
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
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 5 years old, 88% of TESLA MODEL 3 STANDARD RANGE +s from 2021 passed their MOT first time in 2026. That's based on 15,258 tests across the UK. The average mileage at this age is 36,861 miles.
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How Does It Compare?
Mileage Analysis
36,861
Average miles
37,000
Expected for age
The average 2021 TESLA MODEL 3 STANDARD RANGE + has 36,861 miles on the clock, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2022 model with a 91% MOT pass rate, while the 2021 model has the lowest at 88%. Consider a different year if reliability is a priority.
TESLA MODEL 3 STANDARD RANGE + by Year
Similar Cars to Consider
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About the 2021 TESLA MODEL 3 STANDARD RANGE +
The 2021 TESLA MODEL 3 STANDARD RANGE + is a electric with a 0cc electric engine. 15,258 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars on UK roads. It sits in the bottom 83% of 2021 cars for MOT pass rates.
With an average of 36,861 miles at 5 years old, TESLA MODEL 3 STANDARD RANGE + owners drive about as much as the UK average.
What does it cost to own a 2021 TESLA MODEL 3 STANDARD RANGE +?
Total estimated annual running cost is £1,100 (£92/month), broken down as £500 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.
TESLA MODEL 3 STANDARD RANGE + Reliability Trend
The TESLA MODEL 3 STANDARD RANGE + has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2021 TESLA MODEL 3 STANDARD RANGE +
At 5 years old, the TESLA MODEL 3 STANDARD RANGE + offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. With 15,258 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
Based on the 2021 TESLA MODEL 3 STANDARD RANGE +'s fuel type, age, and engine size, these are the most likely problem areas to check.
Battery Degradation
Medium riskAfter 5 years, expect some battery capacity loss. Check the battery health report for state of health (SoH). Below 80% significantly reduces range.
Charging Port
Medium riskCharging connectors and ports can develop issues from regular use. Check both AC and DC charging work correctly before purchasing.
Software Updates
Medium riskOlder EVs may miss out on manufacturer software updates that improve range and features. Check the infotainment system is up to date.
12V Auxiliary Battery
Medium riskEVs still have a standard 12V battery for accessories. These drain faster than in petrol cars and can leave you stranded if flat. Replacement is £100-£200.
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 TESLA MODEL 3 STANDARD RANGE + stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| TESLA MODEL 3 STANDARD RANGE +(2021) | 88% | £500 | £195 | Grp 1-8 | £1100 |
| TESLA MODEL 3 LONG RANGE AWD(2021) | 88% | £500 | £190 | Grp 1-8 | £1095-£5 |
| JAGUAR I-PACE(2020) | 96% | £500 | £190 | Grp 1-8 | £945-£155 |
| TESLA MODEL 3 PERFORMANCE AWD(2020) | 87% | £500 | £190 | Grp 1-8 | £1095-£5 |
| HYUNDAI KONA(2020) | 92% | £500 | £190 | Grp 1-8 | £945-£155 |
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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