2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £16,498. Fair price: £531 (3%) over the AskCar estimate of £15,967, 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: 17,675 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 has covered 17,675 miles. Its asking price of £16,498 is £531 above the AskCar estimate of £15,967. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 51 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Livingston Vauxhall, based in Livingston. 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: £531 (3%) over the AskCar estimate of £15,967.

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 51 days.

Price history

AskCar first saw this advert on 12 September 2026 at £16,998. Its asking price is now £16,498, £500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 12 September 2026: £16,998
  • 31 October 2026: £16,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 June 2027.

It has had one MOT, on 16 June 2026, and passed.

Advisories at the latest test: engine cover and under trays fitted;.

Mileage at that test: 16,340 miles, which matches the advertised 17,675 miles.

Advertised mileage is about 1,400 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, red. Mileage: 17,845 miles. Price: £17,500, £1,002 more than this car. Dealer: Newbarn Car Sales in Bognor Regis. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1a932a3c2789
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 18,192 miles. Price: £16,995, £497 more than this car. Dealer: Dover Garage Aldershot in Aldershot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-49533053514b
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 17,149 miles. Price: £16,751, £253 more than this car. Dealer: Birchwood Kia Washington in Sompting. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a237372ffed9
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white, under a mile from this car. Mileage: 56,351 miles. Price: £14,298, £2,200 less than this car. Dealer: Arnold Clark Livingston Vauxhall in Livingston. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ff827ba5905c

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

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Photos

20 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.