TESLA MODEL X (2020)
Running costs, reliability data, and common problems from 31 real MOT tests.
Annual Cost
£1,250
£104/month
MOT Pass Rate
77%
Average
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
0cc Electric
Check Carefully
77% pass rate, £1250/year to run. 5 points below 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
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the TESLA brand average of 89%.
At 6 years old, 77% of TESLA MODEL Xs from 2020 passed their MOT first time in 2026. That's based on 31 tests across the UK. The average mileage at this age is 23,250 miles.
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How Does It Compare?
Mileage Analysis
23,250
Average miles
44,400
Expected for age
The average 2020 TESLA MODEL X has 23,250 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2016 model with a 91% MOT pass rate, while the 2017 model has the lowest at 86%. The 2020 sits between the two at 77%.
TESLA MODEL X by Year
Similar Cars to Consider
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About the 2020 TESLA MODEL X
The 2020 TESLA MODEL X is a electric with a 0cc electric engine. 31 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 99% of 2020 cars for MOT pass rates.
With an average of 23,250 miles at 6 years old, TESLA MODEL X owners tend to use this car less than the typical driver.
What does it cost to own a 2020 TESLA MODEL X?
Total estimated annual running cost is £1,250 (£104/month), broken down as £500 fuel, £195 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 77% pass rate. Keeping on top of servicing will help avoid surprises.
TESLA MODEL X Reliability Trend
The TESLA MODEL X has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2020 TESLA MODEL X
At 6 years old, the TESLA MODEL X 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 2016 model has the highest pass rate at 91%. Note: with only 31 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2020 TESLA MODEL X'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 X stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| TESLA MODEL X(2020) | 77% | £500 | £195 | Grp 1-8 | £1250 |
| TESLA MODEL 3 LONG RANGE AWD(2021) | 88% | £500 | £190 | Grp 1-8 | £1095-£155 |
| JAGUAR I-PACE(2020) | 96% | £500 | £190 | Grp 1-8 | £945-£305 |
| TESLA MODEL 3 STANDARD RANGE +(2021) | 88% | £500 | £190 | Grp 1-8 | £1095-£155 |
| TESLA MODEL 3 PERFORMANCE AWD(2020) | 87% | £500 | £190 | Grp 1-8 | £1095-£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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