2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,990. Fair price: £311 (1%) over the AskCar estimate of £15,679, 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: 4,402 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 has covered 4,402 miles, around 14,700 fewer miles than is typical for its age. Priced at £15,990, it is advertised £311 above the AskCar estimate of £15,679. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 75 days ago, the asking price has dropped by £700. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Speedwell Kia in Exeter. 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: £311 (1%) over the AskCar estimate of £15,679.

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 75 days.

Price history

AskCar first saw this advert on 19 August 2026 at £16,690. Its asking price is now £15,990, £700 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

  • 19 August 2026: £16,690
  • 17 October 2026: £15,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 March 2027.

It has had 2 MOTs. The latest, on 27 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 4,402 miles, which matches the advertised 4,402 miles.

Advertised mileage is about 14,700 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, blue. Mileage: 5,202 miles. Price: £16,495, £505 more than this car. Dealer: Waylands Kia Reading in West End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-860ad550abfe
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 2,884 miles. Price: £15,488, £502 less than this car. Dealer: Jeff White Motors in Cardiff. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-719816d36d66
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 6,000 miles. Price: £15,995, the same price as this car. Dealer: Keith Price Garages Keith Price Garage Ltd (Subaru) in Abergavenny. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-34cf401bc892
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow, under a mile from this car. Mileage: 19,150 miles. Price: £16,490, £500 more than this car. Dealer: Speedwell Kia in Exeter. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0d1d8f96c50e

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

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Photos

31 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.