2023 Kia Stonic 1.0 GT Line S

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line S
• Version: 1.0 T-GDi GT Line S DCT FWD Euro 6 5dr
• Year: 2023
• Mileage: 19,912 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

The advertised mileage for this 2023 Kia Stonic GT Line S is 19,912 miles. Its asking price of £16,595 is £395 above the AskCar estimate of £16,200. The AskCar estimate uses UK dealer asking prices, including 1,701 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 131 days ago. Its asking price has since fallen by £900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Waylands Kia Reading, based in Reading. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £395 (2%) over the AskCar estimate of £16,200.

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 1,701 priced Kia Stonic adverts across different ages and specifications, as of 5 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 575 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 131 days.

Price history

AskCar first saw this advert on 27 June 2026 at £17,495. Its asking price is now £16,595, £900 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 31 July 2026: £17,495
• 8 September 2026: £17,295
• 19 September 2026: £16,995
• 1 November 2026: £16,595

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 June 2027.

It has had one MOT, on 25 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 19,323 miles, which matches the advertised 19,912 miles.

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

Similar cars

176 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 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 19,935 miles. Price: £16,250, £345 less than this car. Dealer: Brayleys Cars Brayley KIA Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-361a05bdb6c4
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 19,956 miles. Price: £16,498, £97 less than this car. Dealer: Arnold Clark Kirkcaldy MG in Kirkcaldy. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-92fac9a752dd
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 19,730 miles. Price: £16,175, £420 less than this car. Dealer: Perrys Preston in Preston. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5c8f73a7a2d8

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, 17 miles from this car. Mileage: 45,943 miles. Price: £13,298, £3,297 less than this car. Dealer: Drive Motor Retail drivedirect Aldershot in Aldershot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-87357e02d5ce