2017 SEAT Leon 1.2 TSI
Price: £2,999. Good value: £950 (24%) under the AskCar estimate of £3,949, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,054 priced SEAT Leon adverts on AskCar as of 2 November 2026.
AskCar lists 2,123 used SEAT Leon from 1,289 UK dealerships, as of 2 November 2026.
Overview
- Make: SEAT
- Model: Leon
- Version: 1.2 TSI Manual FWD Euro 6 5dr (108 bhp)
- Year: 2017
- Mileage: 134,000 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 5 seats
- Engine: 1.2 litres, 108 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 114 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2017 SEAT Leon has covered 134,000 miles. The dealer is asking £2,999, which is £950 below the AskCar estimate of £3,949. To work out the AskCar estimate, we analyse UK dealer adverts for 2,054 SEAT Leon cars across different ages and specifications. We first recorded this car for sale 83 days ago. The last MOT shows 134,795 miles, more than the advert. This is worth checking with the dealer. Its recorded MOT is valid until 26 November 2026. You can find this car at Milton Motors One in Buckinghamshire. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £950 (24%) under the AskCar estimate of £3,949.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 2,054 priced SEAT Leon adverts across different ages and specifications, as of 2 November 2026.
A 2017 SEAT Leon with the 1.2 petrol engine is typically advertised at £7,800: the median of the 21 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2017 SEAT Leon has been on sale for at least 83 days.
Price history
AskCar first saw this advert on 11 August 2026 at £2,999. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 November 2026.
It has had 10 MOTs. The latest, on 27 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 134,795 miles. The advert says 134,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 58,300 miles higher than the median mileage of a 2017 SEAT Leon on AskCar.
Browse all SEAT Leon cars for sale · 2017 SEAT Leon price guide
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Photos
4 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.