2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £16,999. Fair price: £358 (2%) under the AskCar estimate of £17,357, 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: 3,762 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 3,762 miles, around 15,400 fewer miles than is typical for its age. The dealer is asking £16,999, which is £358 below the AskCar estimate of £17,357. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. We first saw this car advertised 72 days ago. Its asking price has since fallen by £491. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sutton Park Coventry, based in Coventry. 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: £358 (2%) under the AskCar estimate of £17,357.

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 72 days.

Price history

AskCar first saw this advert on 22 August 2026 at £17,490. Its asking price is now £16,999, £491 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

  • 22 August 2026: £17,490
  • 25 August 2026: £17,970
  • 10 October 2026: £16,999

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 June 2027.

It has had one MOT, on 26 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 3,480 miles, which matches the advertised 3,762 miles.

Advertised mileage is about 15,400 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: 3,677 miles. Price: £17,499, £500 more than this car. Dealer: EMG Motor Group Thetford Kia in Thetford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1b055e92f44d
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 3,989 miles. Price: £17,795, £796 more than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b86ae6521f2d
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 4,065 miles. Price: £17,998, £999 more than this car. Dealer: Dicksons of Inverness (Inverness) in Inverness. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b02691cb4ec8
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 32,370 miles. Price: £14,899, £2,100 less than this car. Dealer: Sutton Park Coventry in Coventry. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-80ef046c84be

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

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Photos

38 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.