2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £16,997. Fair price: £866 (5%) over the AskCar estimate of £16,131, 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: 15,374 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 15,374 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 3,700 fewer miles than a typical 2023 Kia Stonic. Priced at £16,997, it is advertised £866 above the AskCar estimate of £16,131. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 53 days ago. Its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Flear & Thomson (Stirling), based in Stirling. 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: £866 (5%) over the AskCar estimate of £16,131.

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 53 days.

Price history

AskCar first saw this advert on 10 September 2026 at £17,497. Its asking price is now £16,997, £500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 10 September 2026: £17,497
  • 15 October 2026: £17,297
  • 28 October 2026: £16,997

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 July 2027.

It has had one MOT, on 21 July 2026, and passed.

Advisories at the latest test: front registration plate deteriorated but not likely to be misread; nearside front tyre slightly damaged.

Mileage at that test: 14,523 miles, which matches the advertised 15,374 miles.

Advertised mileage is about 3,700 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, white. Mileage: 15,668 miles. Price: £16,618, £379 less than this car. Dealer: Edward Johnson Otley in Leeds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-aa5fa6b2c87c
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 14,952 miles. Price: £16,295, £702 less than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f4eb757fdd80
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 15,921 miles. Price: £15,787, £1,210 less than this car. Dealer: Perrys Worksop Ford And Kia in Worksop. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0f0fa0470d40
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, 10 miles from this car. Mileage: 13,567 miles. Price: £16,250, £747 less than this car. Dealer: Peoples Falkirk in Falkirk. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0a994d511bc9

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

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Photos

36 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.