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: 5,065 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

This 2023 Kia Stonic GT Line S has covered 5,065 miles, around 14,100 fewer miles than is typical for its age. The AskCar estimate for this car is £17,254. It is priced at £17,745, which is £491 above that estimate. The AskCar estimate uses 1,703 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 15 days ago. Its asking price has since fallen by £505. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is TMS Loughborough Kia, based in Loughborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £491 (2%) over the AskCar estimate of £17,254.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 20 October 2026 at £18,250. Its asking price is now £17,745, £505 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 20 October 2026: £18,250
• 22 October 2026: £18,222
• 27 October 2026: £18,120
• 31 October 2026: £17,804
• 3 November 2026: £17,745

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 3 August 2027.

It has had one MOT, on 4 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 4,794 miles, which matches the advertised 5,065 miles.

Advertised mileage is about 14,100 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 5,138 miles. Price: £15,960, £1,785 less than this car. Dealer: Evans Halshaw Ford Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-899856f7b762
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 4,881 miles. Price: £16,995, £750 less than this car. Dealer: Grainger Motor Group in Ely. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a320a7930766
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 5,513 miles. Price: £17,495, £250 less than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f6efd89f7758

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow, 9 miles from this car. Mileage: 14,995 miles. Price: £16,499, £1,246 less than this car. Dealer: NK Motors in Nottingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4ac6ca435fa5