2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £11,995. Good value: £1,527 (11%) under the AskCar estimate of £13,522, 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 Manual FWD Euro 6 (s/s) 5dr
  • Year: 2023
  • Mileage: 34,980 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Yellow
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 34,980 miles, this 2023 Kia Stonic GT Line S has covered about 15,900 more miles than other 2023 Kia Stonic cars. Priced at £11,995, it is advertised £1,527 below the AskCar estimate of £13,522. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 71 days ago, and its asking price has since fallen by £1,800. Its advertised mileage matches the government's MOT record. It is advertised by Seacroft Ford in Mablethorpe. 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

Good value: £1,527 (11%) under the AskCar estimate of £13,522.

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 71 days.

Price history

AskCar first saw this advert on 23 August 2026 at £13,795. Its asking price is now £11,995, £1,800 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

  • 23 August 2026: £13,795
  • 8 October 2026: £11,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 June 2027.

It failed its MOT on 10 June 2026 (front brake pad(s) less than 1.5 mm thick) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 33,613 miles, which matches the advertised 34,980 miles.

Advertised mileage is about 15,900 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

102 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 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 34,812 miles. Price: £13,295, £1,300 more than this car. Dealer: EMG Motor Group Ely Kia in Ely. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-66563fd5e1e7
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 35,667 miles. Price: £12,790, £795 more than this car. Dealer: W R Davies Renault in Llandudno. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6881ad578444
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 31,863 miles. Price: £13,698, £1,703 more than this car. Dealer: Arnold Clark Burton upon Trent Motorstore in Burton upon Trent. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-581adbf37267
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, 11 miles from this car. Mileage: 9,563 miles. Price: £14,633, £2,638 more than this car. Dealer: Drayton Motors Kia Louth in Louth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-939c279f751b

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

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Photos

34 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.