2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,995. Fair price: £246 (1%) over the AskCar estimate of £15,749, 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: 6,000 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 6,000 miles, around 13,100 fewer miles than is typical for its age. The dealer is asking £15,995, which is £246 above the AskCar estimate of £15,749. 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 158 days ago, the asking price has dropped by £1,000. Its advertised mileage matches the government's MOT record. You can find this car at Keith Price Garages Keith Price Garage Ltd (Subaru) in Abergavenny. 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: £246 (1%) over the AskCar estimate of £15,749.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £16,995. Its asking price is now £15,995, £1,000 less. The latest price cut was seen on 5 September 2026.

Price changes recorded:

  • 28 May 2026: £16,995
  • 17 June 2026: £16,495
  • 5 September 2026: £15,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 May 2027.

It has had one MOT, on 12 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 6,196 miles, which matches the advertised 6,000 miles.

Advertised mileage is about 13,100 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, £500 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, grey. Mileage: 7,151 miles. Price: £15,395, £600 less than this car. Dealer: Chippenham Motor Company in Chippenham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ba9129fbb9ca
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 7,231 miles. Price: £14,998, £997 less than this car. Dealer: Arnold Clark Nottingham Motorstore in Nottingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-d471e1e5ccb8
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow, 19 miles from this car. Mileage: 17,521 miles. Price: £14,370, £1,625 less than this car. Dealer: Wessex Garages Wessex Nissan, Hyundai and Kia Newport in Newport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-23ed375a3f89

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

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Photos

74 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.