TESLA MODEL 3 STANDARD RANGE + (2020)
Running costs, reliability data, and common problems from 12,949 real MOT tests.
Annual Cost
£1,100
£92/month
MOT Pass Rate
89%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
0cc Electric
Solid Option
89% pass rate, £1100/year to run. 7 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 7 points above the national average of 82%.
At 6 years old, 89% of TESLA MODEL 3 STANDARD RANGE +s from 2020 passed their MOT first time in 2026. That's based on 12,949 tests across the UK. The average mileage at this age is 42,820 miles.
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How Does It Compare?
Mileage Analysis
42,820
Average miles
44,400
Expected for age
The average 2020 TESLA MODEL 3 STANDARD RANGE + has 42,820 miles on the clock, which is in line with the expected 44,400 miles for a 6-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%. The 2020 sits between the two at 89%.
TESLA MODEL 3 STANDARD RANGE + by Year
Similar Cars to Consider
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About the 2020 TESLA MODEL 3 STANDARD RANGE +
The 2020 TESLA MODEL 3 STANDARD RANGE + is a electric with a 0cc electric engine. 12,949 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 42,820 miles at 6 years old, TESLA MODEL 3 STANDARD RANGE + owners drive about as much as the UK average.
What does it cost to own a 2020 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 89% 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 2020 TESLA MODEL 3 STANDARD RANGE +
At 6 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. If you're flexible on year, the 2022 model has the highest pass rate at 91%. With 12,949 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
Based on the 2020 TESLA MODEL 3 STANDARD RANGE +'s fuel type, age, and engine size, these are the most likely problem areas to check.
Battery Degradation
Watch outAfter 6 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 2020 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 +(2020) | 89% | £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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