2025 Kia Stonic 1.0 T-GDi MHEV GT Line S
Version: 1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr (98 bhp)
Price: £18,998. Fair price: £649 (3%) over the AskCar estimate of £18,349, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,692 priced Kia Stonic adverts on AskCar as of 29 October 2026.
AskCar lists 1,716 used Kia Stonic from 793 UK dealerships, as of 29 October 2026.
Overview
- Make
- Kia
- Model
- Stonic
- Trim
- GT Line S
- Version
- 1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr (98 bhp)
- Mileage
- 14,040 miles
- Year
- 2025
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 1.0 L
- Gearbox
- Automatic
- Power
- 98 bhp
- Seats
- 5
- CO2
- 129 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- DCT
- Engine badge
- T-GDi; MHEV
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
With 14,040 miles on the clock, this 2025 Kia Stonic GT Line S has done roughly 6,800 more miles than a typical 2025 Kia Stonic. The AskCar estimate for this car is £18,349. It is priced at £18,998, which is £649 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,692 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. The seller is Arnold Clark Cumbernauld Kia, based in Cumbernauld.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £18,998 |
Price and mileage comparison
Fair price: £649 (3%) over the AskCar estimate of £18,349.
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 1,692 priced Kia Stonic adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 6,800 miles higher than the median mileage of a 2025 Kia Stonic on AskCar.
MOT
MOT: first test not yet due.
Other matching cars
28 other 2025 Kia Stonic GT Line S automatic petrol cars are for sale at UK dealers from £16,570 to £23,990, as of 29 October 2026.
The 5 cheapest:
- 2025 Kia Stonic. Price: £16,570. Mileage: 8,000 miles. Dealer: Evans Halshaw Hyundai Gateshead in Gateshead. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-2841904b65ac
- 2025 Kia Stonic. Price: £17,210. Mileage: 16,623 miles. Dealer: JCT600 Kia Castleford in Castleford. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-7b3f486aaf04
- 2025 Kia Stonic. Price: £17,990. Mileage: 16,307 miles. Dealer: All Electric BYD Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-0912b8c98e3a
- 2025 Kia Stonic. Price: £17,995. Mileage: 23,945 miles. Dealer: Gravells Swansea in Swansea. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-af79f50346e8
- 2025 Kia Stonic. Price: £17,999. Mileage: 1,521 miles. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-120a971145f5
The 28 matching cars have covered 1,049 to 23,945 miles, compared with 14,040 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Kia Stonic cars for sale · 2025 Kia Stonic price guide
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Photos
20 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.