2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

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: 9,966 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 9,966 miles, around 9,100 fewer miles than is typical for its age. Its asking price of £16,990 is £465 above the AskCar estimate of £16,525. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 52 days ago, the asking price has dropped by £309. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Birchwood Kia Chichester, based in Chichester. 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: £465 (2%) over the AskCar estimate of £16,525.

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 52 days.

Price history

AskCar first saw this advert on 11 September 2026 at £17,299. Its asking price is now £16,990, £309 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 11 September 2026: £17,299
• 27 October 2026: £16,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 August 2027.

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

There were no advisories at the latest test.

Mileage at that test: 9,394 miles, which matches the advertised 9,966 miles.

Advertised mileage is about 9,100 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: 9,946 miles. Price: £17,498, £508 more than this car. Dealer: Arnold Clark Derby Motorstore in Derby. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-73a37710788b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 10,000 miles. Price: £17,695, £705 more than this car. Dealer: JCB Kia Bromley in Bromley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-27d7e3d1822b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 10,069 miles. Price: £15,879, £1,111 less than this car. Dealer: Perrys Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5780dfbc4bd4

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, 6 miles from this car. Mileage: 17,845 miles. Price: £17,500, £510 more than this car. Dealer: Newbarn Car Sales in Bognor Regis. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1a932a3c2789