2023 Kia Stonic 1.0 T-GDi MHEV GT Line S
Price: £13,990. Fair price: £1,127 (7%) under the AskCar estimate of £15,117, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,673 priced Kia Stonic adverts on AskCar as of 2 November 2026.
AskCar lists 1,701 used Kia Stonic from 788 UK dealerships, as of 2 November 2026.
Overview
- Make: Kia
- Model: Stonic
- Trim: GT Line S
- Version: 1.0 T-GDi Mhev GT Line S Manual FWD Euro 6 (s/s) 5dr (118 bhp)
- Year: 2023
- Mileage: 8,800 miles
- Fuel: Petrol, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 1.0 litres, 118 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Red
- CO2: 127 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Kia Stonic GT Line S is advertised with 8,800 miles, approximately 10,300 below the typical mileage for its age. The AskCar estimate for this car is £15,117. It is priced at £13,990, which is £1,127 below that estimate. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 45 days ago. Its asking price has since fallen by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Southwick Car Centre in Nr Trowbridge. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,127 (7%) under the AskCar estimate of £15,117.
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 1,673 priced Kia Stonic adverts across different ages and specifications, as of 2 November 2026.
A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 558 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2023 Kia Stonic has been on sale for at least 45 days.
Price history
AskCar first saw this advert on 18 September 2026 at £14,990. Its asking price is now £13,990, £1,000 less. The latest price cut was seen on 20 October 2026.
Price changes recorded:
- 18 September 2026: £14,990
- 20 October 2026: £13,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 2 June 2027.
It has had one MOT, on 3 June 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 8,021 miles, which matches the advertised 8,800 miles.
Advertised mileage is about 10,300 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.
Similar cars
102 other 2023 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £10,060 to £16,495, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 9,000 miles. Price: £15,995, £2,005 more than this car. Dealer: Eclipse Car Sales in Winchester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-68186e42f183
- 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 8,534 miles. Price: £14,998, £1,008 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0f4e6a073161
- 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 9,134 miles. Price: £14,850, £860 more than this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1e37a082f7d6
- The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 13 miles from this car. Mileage: 7,151 miles. Price: £15,395, £1,405 more than this car. Dealer: Chippenham Motor Company in Chippenham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ba9129fbb9ca
Browse all Kia Stonic cars for sale · 2023 Kia Stonic price guide
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Photos
33 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.