SEAT MII (2017)
Running costs, reliability data, and common problems from 2,338 real MOT tests.
Annual Cost
£1,555
£130/month
MOT Pass Rate
87%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
999cc Petrol
Solid Option
87% pass rate, £1555/year to run. 5 points above average.
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Annual Running Costs
~50 mpg
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 close to the national average of 82%.
At 9 years old, 87% of SEAT MIIs from 2017 passed their MOT first time in 2026. That's based on 2,338 tests across the UK. The average mileage at this age is 39,917 miles.
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How Does It Compare?
Mileage Analysis
39,917
Average miles
66,600
Expected for age
The average 2017 SEAT MII has 39,917 miles on the clock, which is below the expected 66,600 miles for a 9-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 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%.
SEAT MII by Year
Similar Cars to Consider
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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 2026, 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 9 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 £1,555 (£130/month), broken down as £955 fuel, £195 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 9 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%.
Common Issues to Watch For
Based on the 2017 SEAT MII's fuel type, age, and engine size, these are the most likely problem areas to check.
Coil Pack Failure
Medium riskSmaller petrol engines are prone to ignition coil failures, causing misfires and rough running. Replacement is £50-£150 per coil.
Suspension Wear
Medium riskShock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.
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 2017 SEAT MII stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| SEAT MII(2017) | 87% | £955 | £195 | Grp 1-8 | £1555 |
| FORD FIESTA(2015) | 81% | £955 | £30 | Grp 1-8 | £1390-£165 |
| VAUXHALL CORSA(2015) | 78% | £1137 | £30 | Grp 8-20 | £1722+£167 |
| NISSAN QASHQAI(2017) | 86% | £955 | £190 | Grp 5-15 | £1550-£5 |
| VOLKSWAGEN POLO(2015) | 82% | £955 | £30 | Grp 5-15 | £1390-£165 |
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.
Related Seat Models
Explore other Seat cars or similar models in the same category.
SEAT LEON
2018 · 1395cc Petrol
SEAT IBIZA
2014 · 1198cc Petrol
SEAT ARONA
2019 · 1000cc Petrol
FORD FIESTA
2015 · 998cc Petrol
VAUXHALL CORSA
2015 · 1398cc Petrol
NISSAN QASHQAI
2017 · 1200cc Petrol
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