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: 12,121 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 12,121 miles, this 2023 Kia Stonic GT Line S has covered about 7,000 fewer miles than other 2023 Kia Stonic cars. The dealer is asking £16,498, which is £133 above the AskCar estimate of £16,365. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. We first saw this car advertised 140 days ago. Its asking price has since fallen by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Kilmarnock Hyundai Mg, based in Kilmarnock. 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: £133 (under 1%) over the AskCar estimate of £16,365.

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 140 days.

Price history

AskCar first saw this advert on 15 June 2026 at £17,998. Its asking price is now £16,498, £1,500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 6 July 2026: £17,998
• 20 July 2026: £17,698
• 29 August 2026: £17,498
• 20 October 2026: £16,998
• 31 October 2026: £16,498

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 May 2027.

It has had one MOT, on 7 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,072 miles, which matches the advertised 12,121 miles.

Advertised mileage is about 7,000 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, yellow. Mileage: 12,008 miles. Price: £16,175, £323 less than this car. Dealer: Trust Ford Staines in Staines. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-9e6afc58be6e
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 11,806 miles. Price: £16,699, £201 more than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1ab9c0b25ae7
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 12,475 miles. Price: £16,995, £497 more than this car. Dealer: Flear & Thomson (Perth) in Perth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-818092823aa3

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white, 16 miles from this car. Mileage: 6,793 miles. Price: £17,998, £1,500 more than this car. Dealer: Arnold Clark East Kilbride Motorstore in East Kilbride. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-85341df300a7