2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £16,700. Fair price: £371 (2%) over the AskCar estimate of £16,329, 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: 12,510 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

This 2023 Kia Stonic GT Line S is advertised with 12,510 miles, approximately 6,700 below the typical mileage for its age. Its asking price of £16,700 is £371 above the AskCar estimate of £16,329. The AskCar estimate uses UK dealer asking prices, including 1,703 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 105 days ago, and its asking price has since fallen by £1,295. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Murray Plymouth, based in Plymouth. 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: £371 (2%) over the AskCar estimate of £16,329.

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 105 days.

Price history

AskCar first saw this advert on 22 July 2026 at £17,995. Its asking price is now £16,700, £1,295 less. The latest price cut was seen on 6 October 2026.

Price changes recorded:

  • 23 July 2026: £17,995
  • 6 September 2026: £17,559
  • 25 September 2026: £17,397
  • 6 October 2026: £16,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 June 2027.

It has had one MOT, on 3 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,475 miles, which matches the advertised 12,510 miles.

Advertised mileage is about 6,700 miles lower 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: 12,500 miles. Price: £17,595, £895 more than this car. Dealer: Gravells Narberth in Narberth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-48a592f63051
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 12,475 miles. Price: £16,995, £295 more than this car. Dealer: Flear & Thomson (Perth) in Perth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-818092823aa3
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 12,666 miles. Price: £16,998, £298 more than this car. Dealer: Arnold Clark Paisley Fiat / Abarth in Paisley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-be4c48ed39b6
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 27 miles from this car. Mileage: 14,000 miles. Price: £16,990, £290 more than this car. Dealer: Speedwell Kia in Newton Abbot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-245dd8148a47

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

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Photos

39 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.