2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,998. Fair price: £835 (5%) over the AskCar estimate of £15,163, 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 Manual FWD Euro 6 (s/s) 5dr
  • Year: 2023
  • Mileage: 10,458 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 10,458 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 8,700 fewer miles than a typical 2023 Kia Stonic. Its asking price of £15,998 is £835 above the AskCar estimate of £15,163. The AskCar estimate uses 1,703 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 27 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Chesterfield Motorstore / Vanstore, based in Chesterfield. 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: £835 (5%) over the AskCar estimate of £15,163.

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 27 days.

Price history

AskCar first saw this advert on 8 October 2026 at £15,698. Its asking price is now £15,998, £300 more.

Price changes recorded:

  • 8 October 2026: £15,698
  • 9 October 2026: £15,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 22 September 2027.

It has had one MOT, on 11 September 2026, and passed.

Advisories at the latest test: offside front inner drive shaft joint constant velocity boot severely deteriorated.

Mileage at that test: 10,139 miles, which matches the advertised 10,458 miles.

Advertised mileage is about 8,700 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

103 other 2023 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £10,060 to £16,495, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 10,278 miles. Price: £13,995, £2,003 less than this car. Dealer: Pentagon Kia Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4fbe95c2db6c
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 10,702 miles. Price: £14,556, £1,442 less than this car. Dealer: Drayton Motors Kia Louth in Louth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ed9f4d10cfff
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 10,000 miles. Price: £15,795, £203 less than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5a042f15df39
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 51,635 miles. Price: £11,510, £4,488 less than this car. Dealer: Evans Halshaw BYD Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-fadbf681e59b

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 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.