2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £12,498. Fair price: £80 (under 1%) under the AskCar estimate of £12,578, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,703 priced Kia Stonic adverts on AskCar as of 4 November 2026.

AskCar lists 1,716 used Kia Stonic from 801 UK dealerships, as of 4 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: 44,892 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres, 118 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Yellow
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 44,892 miles, around 25,700 more miles than is typical for its age. The AskCar estimate for this car is £12,578. It is priced at £12,498, which is £80 below that estimate. The AskCar estimate draws on 1,703 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 79 days ago, the asking price has dropped by £984. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Griffin Mill Summit in Pontypridd. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £80 (under 1%) under the AskCar estimate of £12,578.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 79 days.

Price history

AskCar first saw this advert on 17 August 2026 at £13,482. Its asking price is now £12,498, £984 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 17 August 2026: £13,482
  • 16 September 2026: £13,199
  • 25 September 2026: £12,848
  • 23 October 2026: £12,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 31 May 2027.

It has had one MOT, on 1 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 41,425 miles, which matches the advertised 44,892 miles.

Advertised mileage is about 25,700 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

103 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 44,662 miles. Price: £12,770, £272 more than this car. Dealer: Bentley Motor Group in Keighley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4eb7f5b97937
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 44,576 miles. Price: £13,250, £752 more than this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-d857b282ccff
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 45,721 miles. Price: £13,000, £502 more than this car. Dealer: Wessex Garages Wessex Nissan, Hyundai and Kia Newport in Newport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-2bb0c459e411
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow, 8 miles from this car. Mileage: 2,884 miles. Price: £15,488, £2,990 more than this car. Dealer: Jeff White Motors in Cardiff. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-719816d36d66

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

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Photos

59 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.