SEAT MII (2017)
Running costs, common problems, and reliability data based on 2,338 real MOT tests in 2024.
MOT Pass Rate
87%
Total Tests (2024)
2,338
Avg Mileage
39,917 mi
Est. Annual Cost
£1,550
Is the 2017 SEAT MII reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 7 years old, 87% of SEAT MIIs from 2017 passed their MOT first time in 2024. That's based on 2,338 tests across the UK. The average mileage at this age is 39,917 miles.
How does the 2017 SEAT MII compare?
Mileage Analysis
The average 2017 SEAT MII has 39,917 miles on the clock, which is below the expected 51,800 miles for a 7-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a SEAT MII?
The most reliable year is the 2019 model with a 93% MOT pass rate, while the 2012 model has the lowest at 81%. The 2017 sits between the two at 87%.
How much does a 2017 SEAT MII 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 MII by Year
Checking a specific SEAT MII?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2017 SEAT MII
The 2017 SEAT MII is a city car with a 999cc petrol engine. 2,338 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2017, the average MOT pass rate is 87%, and this model falls short of that benchmark.
With an average of 39,917 miles at 7 years old, SEAT MII owners tend to use this car less than the typical driver.
2017 SEAT MII Fuel Costs
The modest 999cc petrol 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 petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2017 SEAT MII?
Total estimated annual running cost is £1,550 (£129/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% pass rate. Keeping on top of servicing will help avoid surprises.
SEAT MII Reliability Trend
Newer SEAT MIIs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2017 SEAT MII
At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2019 model has the highest pass rate at 93%.
Alternatives to the 2017 SEAT MII
The SEAT MII is actually the most reliable option among similar petrol city cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2015) 81% pass rate (-6%) from 225,575 tests
- VAUXHALL CORSA (2015) 78% pass rate (-9%) from 160,438 tests
- NISSAN QASHQAI (2017) 86% pass rate (-1%) from 100,176 tests
- VOLKSWAGEN POLO (2015) 82% pass rate (-5%) from 94,129 tests