2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £16,299. Fair price: £858 (5%) under the AskCar estimate of £17,157, 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: 5,699 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

With 5,699 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 13,500 fewer miles than a typical 2023 Kia Stonic. Priced at £16,299, it is advertised £858 below the AskCar estimate of £17,157. 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 advert 53 days ago, and its asking price has since fallen by £1,800. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Swansea, based in Swansea. 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: £858 (5%) under the AskCar estimate of £17,157.

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 53 days.

Price history

AskCar first saw this advert on 12 September 2026 at £18,099. Its asking price is now £16,299, £1,800 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 12 September 2026: £18,099
  • 15 September 2026: £17,549
  • 22 September 2026: £17,499
  • 30 September 2026: £17,299
  • 7 October 2026: £17,149
  • 14 October 2026: £16,999
  • 22 October 2026: £16,799
  • 27 October 2026: £16,599
  • 3 November 2026: £16,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 July 2027.

It has had one MOT, on 16 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 5,345 miles, which matches the advertised 5,699 miles.

Advertised mileage is about 13,500 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, grey. Mileage: 5,618 miles. Price: £16,990, £691 more than this car. Dealer: Furrows Used Car Centre Telford in Telford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-209862a70253
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 5,576 miles. Price: £16,990, £691 more than this car. Dealer: Vertu Kia Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-167810e85a38
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 5,513 miles. Price: £17,495, £1,196 more than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f6efd89f7758
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 33 miles from this car. Mileage: 10,854 miles. Price: £15,430, £869 less than this car. Dealer: Evans Halshaw Vauxhall Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3df2ca652650

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

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Photos

36 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.