2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,495. Fair price: £313 (2%) over the AskCar estimate of £15,182, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,703 priced Kia Stonic adverts on AskCar as of 4 November 2026.

AskCar lists 1,716 used Kia Stonic from 801 UK dealerships, as of 4 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: 29,101 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 29,101 miles, this 2023 Kia Stonic GT Line S has covered about 9,900 more miles than other 2023 Kia Stonic cars. The AskCar estimate for this car is £15,182. It is priced at £15,495, which is £313 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. The asking price is now £4 lower than when we first recorded the advert 33 days ago. Its advertised mileage matches the government's MOT record. The seller is EMG Motor Group Thetford Kia, based in Thetford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £313 (2%) over the AskCar estimate of £15,182.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 2 October 2026 at £15,499. Its asking price is now £15,495, £4 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

  • 2 October 2026: £15,499
  • 18 October 2026: £15,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 31 August 2027.

It has had one MOT, on 6 August 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 28,075 miles, which matches the advertised 29,101 miles.

Advertised mileage is about 9,900 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 28,286 miles. Price: £14,825, £670 less than this car. Dealer: Drive Motor Retail drivedirect Hull Hyundai in Hessle. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b614819a3a4b
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 28,201 miles. Price: £15,495, the same price as this car. Dealer: Vertu Citroen Derby in Derby. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-294887326cf5
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 28,139 miles. Price: £15,295, £200 less than this car. Dealer: Ballyrobert Vauxhall Bangor in Bangor. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-64d70af65de9
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, under a mile from this car. Mileage: 3,677 miles. Price: £17,499, £2,004 more than this car. Dealer: EMG Motor Group Thetford Kia in Thetford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1b055e92f44d

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

More like this

Photos

30 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.