2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £16,751. Fair price: £747 (4%) over the AskCar estimate of £16,004, 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: 17,149 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 17,149 miles on the clock. Its asking price of £16,751 is £747 above the AskCar estimate of £16,004. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 10 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Birchwood Kia Washington in Pulborough. 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: £747 (4%) over the AskCar estimate of £16,004.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £16,751. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 July 2027.

It has had one MOT, on 30 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,237 miles, which matches the advertised 17,149 miles.

Advertised mileage is about 2,000 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, blue. Mileage: 17,000 miles. Price: £16,324, £427 less than this car. Dealer: P J Nicholls Ltd Pershore in Pershore. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b4d06875b026
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 16,797 miles. Price: £15,995, £756 less than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-9a0fdd44bde7
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 17,675 miles. Price: £16,498, £253 less than this car. Dealer: Arnold Clark Livingston Vauxhall in Livingston. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-fa21220b96f4
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, 15 miles from this car. Mileage: 17,845 miles. Price: £17,500, £749 more than this car. Dealer: Newbarn Car Sales in Bognor Regis. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1a932a3c2789

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

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Photos

29 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.