2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £12,698. Fair price: £323 (2%) under the AskCar estimate of £13,021, 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
  • Year: 2023
  • Mileage: 41,862 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 41,862 miles, around 22,700 more miles than is typical for its age. The dealer is asking £12,698, which is £323 below the AskCar estimate of £13,021. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. We first saw this car advertised 105 days ago. Its asking price has since fallen by £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD, based in Oldbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £323 (2%) under the AskCar estimate of £13,021.

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 105 days.

Price history

AskCar first saw this advert on 20 July 2026 at £13,998. Its asking price is now £12,698, £1,300 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 20 July 2026: £13,998
  • 3 October 2026: £13,698
  • 13 October 2026: £13,298
  • 18 October 2026: £12,998
  • 27 October 2026: £12,698

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 June 2027.

It has had one MOT, on 26 May 2026, and passed.

Advisories at the latest test: slight separation on both front wipers. scratch on drivers side windscreen. deep cut in n/s/f tyre outer tread.

Mileage at that test: 40,419 miles, which matches the advertised 41,862 miles.

Advertised mileage is about 22,700 miles higher 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, red. Mileage: 39,373 miles. Price: £14,499, £1,801 more than this car. Dealer: Hawkins Launceston in Launceston. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-dec6a9d75e96
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 39,298 miles. Price: £13,498, £800 more than this car. Dealer: Arnold Clark Stafford Motorstore / BYD / Vanstore in Stafford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e4010d36b534
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 44,576 miles. Price: £13,250, £552 more than this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-d857b282ccff
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow, under a mile from this car. Mileage: 8,534 miles. Price: £14,998, £2,300 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

Browse all Kia Stonic cars for sale · 2023 Kia Stonic price guide

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Photos

20 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.