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: 10,600 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 10,600 miles, this 2023 Kia Stonic GT Line S has covered about 8,500 fewer miles than other 2023 Kia Stonic cars. Priced at £16,999, it is advertised £106 above the AskCar estimate of £16,893. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £1,073. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is TMS Kia Hinckley, based in Hinckley. 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: £106 (under 1%) over the AskCar estimate of £16,893.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £18,072. Its asking price is now £16,999, £1,073 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 24 September 2026: £18,072
• 3 October 2026: £17,999
• 8 October 2026: £17,899
• 15 October 2026: £17,599
• 22 October 2026: £17,299
• 30 October 2026: £16,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 August 2027.

It has had one MOT, on 12 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,174 miles, which matches the advertised 10,600 miles.

Advertised mileage is about 8,500 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, grey. Mileage: 10,580 miles. Price: £15,070, £1,929 less than this car. Dealer: Evans Halshaw Ford Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e07a11a546d2
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 10,472 miles. Price: £15,990, £1,009 less than this car. Dealer: The Donalds Group Donalds Kia Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b1bf0427cf00
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 10,732 miles. Price: £16,999, the same price as this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a2418a34ef54

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 8 miles from this car. Mileage: 32,370 miles. Price: £14,899, £2,100 less than this car. Dealer: Sutton Park Coventry in Coventry. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-80ef046c84be