SEAT LEON (2021)
Running costs, common problems, and reliability data based on 184 real MOT tests in 2024.
MOT Pass Rate
85%
Total Tests (2024)
184
Avg Mileage
29,531 mi
Est. Annual Cost
£1,922
Is the 2021 SEAT LEON reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 3 years old, 85% of SEAT LEONs from 2021 passed their MOT first time in 2024. That's based on 184 tests across the UK. The average mileage at this age is 29,531 miles.
How does the 2021 SEAT LEON compare?
Mileage Analysis
The average 2021 SEAT LEON has 29,531 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a SEAT LEON?
The most reliable year is the 2020 model with a 90% MOT pass rate, while the 2006 model has the lowest at 74%. The 2021 sits between the two at 85%.
How much does a 2021 SEAT LEON cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
SEAT LEON by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 85% | 184 | 29,531 mi |
| 2020 | 90% | 13,840 | 38,299 mi |
| 2019 | 88% | 33,662 | 45,808 mi |
| 2018 | 88% | 37,787 | 53,378 mi |
| 2017 | 88% | 32,092 | 63,602 mi |
| 2016 | 87% | 28,078 | 72,877 mi |
| 2015 | 86% | 30,311 | 83,849 mi |
| 2014 | 85% | 33,359 | 93,735 mi |
| 2013 | 83% | 21,374 | 100,080 mi |
| 2012 | 79% | 16,909 | 108,558 mi |
| 2011 | 78% | 12,613 | 114,006 mi |
| 2010 | 77% | 11,322 | 120,467 mi |
| 2009 | 77% | 9,868 | 119,895 mi |
| 2008 | 76% | 9,717 | 124,433 mi |
| 2007 | 75% | 8,629 | 129,414 mi |
| 2006 | 74% | 5,613 | 129,640 mi |
| 2005 | 76% | 3,477 | 130,247 mi |
| 2004 | 77% | 2,724 | 136,378 mi |
| 2003 | 76% | 2,090 | 129,241 mi |
| 2002 | 76% | 1,025 | 126,696 mi |
| 2001 | 75% | 431 | 128,387 mi |
| 2000 | 76% | 92 | 108,063 mi |
Checking a specific SEAT LEON?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 SEAT LEON
The 2021 SEAT LEON is a family car with a 1984cc petrol engine. 184 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 92% of 2021 cars for MOT pass rates.
With an average of 29,531 miles at 3 years old, SEAT LEON owners cover more miles than the average driver.
2021 SEAT LEON Fuel Costs
The 1984cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 SEAT LEON?
Total estimated annual running cost is £1,922 (£160/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 85% pass rate. Keeping on top of servicing will help avoid surprises.
SEAT LEON Reliability Trend
Newer SEAT LEONs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2021 SEAT LEON
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. If you're flexible on year, the 2020 model has the highest pass rate at 90%.
Alternatives to the 2021 SEAT LEON
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- VOLKSWAGEN GOLF (2019) 92% pass rate (+7%) from 89,653 tests
- NISSAN QASHQAI (2020) 93% pass rate (+8%) from 52,321 tests
- MINI COOPER (2019) 92% pass rate (+7%) from 52,140 tests
- HYUNDAI TUCSON (2019) 90% pass rate (+5%) from 42,920 tests