2023 Kia Stonic 1.0 T-GDi GT Line

Price: £15,595. Fair price: £14 (under 1%) under the AskCar estimate of £15,609, 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
  • Version: 1.0 T-GDi 99 GT Line DCT FWD Euro 6 5dr (99 bhp)
  • Year: 2023
  • Mileage: 13,600 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres, 99 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line has covered 13,600 miles, around 5,500 fewer miles than is typical for its age. Priced at £15,595, it is advertised £14 below the AskCar estimate of £15,609. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 53 days ago. Its asking price has since fallen by £700. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Fine Cars in LEE-on-the-Solent. 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: £14 (under 1%) under the AskCar estimate of £15,609.

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 £16,295. Its asking price is now £15,595, £700 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

  • 10 September 2026: £16,295
  • 24 October 2026: £15,595

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 March 2027.

It failed its MOT on 26 March 2026 (offside front road wheel fixing missing 1x wheel nut missing) and passed 1 day later, on 27 March 2026.

There were no advisories at the latest test.

Mileage at that test: 12,390 miles, which matches the advertised 13,600 miles.

Advertised mileage is about 5,500 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

60 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,809 to £17,495, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line, 1.0 petrol SUV, grey. Mileage: 13,945 miles. Price: £15,795, £200 more than this car. Dealer: EMG Kia South Cambridge in Cambridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-48ab4a2a5187
  • 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 14,293 miles. Price: £16,298, £703 more than this car. Dealer: Arnold Clark Leeds Motorstore in Leeds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f5eef31af5e6
  • 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 12,881 miles. Price: £15,795, £200 more than this car. Dealer: Grainger Motor Group in Cambridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0b2f952dc712
  • The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, black, 35 miles from this car. Mileage: 16,000 miles. Price: £17,495, £1,900 more than this car. Dealer: Penton Citroen & MG Poole in Poole. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f0d83ce227f5

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

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Photos

26 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.