2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,995. Fair price: £34 (under 1%) under the AskCar estimate of £16,029, 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 DCT FWD Euro 6 (s/s) 5dr
  • Year: 2023
  • Mileage: 16,797 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 16,797 miles, approximately 2,300 below the typical mileage for its age. The dealer is asking £15,995, which is £34 below the AskCar estimate of £16,029. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 65 days ago. Its advertised mileage matches the government's MOT record. The seller is JCB Group Ashford Orbital Kia, based in Ashford. 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: £34 (under 1%) under the AskCar estimate of £16,029.

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 65 days.

Price history

AskCar first saw this advert on 29 August 2026 at £16,995. Its asking price is now £15,995, £1,000 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

  • 29 August 2026: £16,995
  • 23 September 2026: £16,495
  • 30 September 2026: £16,795
  • 6 October 2026: £16,495
  • 9 October 2026: £16,295
  • 10 October 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 19 March 2027.

It has had one MOT, on 20 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 14,519 miles, which matches the advertised 16,797 miles.

Advertised mileage is about 2,300 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

171 other 2023 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £11,395 to £17,998, 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: 17,000 miles. Price: £16,324, £329 more than this car. Dealer: P J Nicholls Ltd Pershore in Pershore. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b4d06875b026
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 16,500 miles. Price: £15,995, the same price as this car. Dealer: T Wall Approved in Kingswinford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-582fa6da65bc
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 16,454 miles. Price: £16,495, £500 more than this car. Dealer: Stoneacre Lincoln Kia in Lincoln. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-03a30ee3beab
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 4,393 miles. Price: £17,495, £1,500 more than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-08de974495a2

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

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Photos

53 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.