2023 Kia Stonic 1.0 GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi GT Line Manual FWD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 10,100 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line is advertised with 10,100 miles, approximately 9,100 below the typical mileage for its age. Priced at £15,297, it is advertised £401 above the AskCar estimate of £14,896. The AskCar estimate draws on 1,703 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 12 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Flear & Thomson (Stirling), based in Stirling. 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: £401 (2%) over the AskCar estimate of £14,896.

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 12 days.

Price history

AskCar first saw this advert on 23 October 2026 at £15,297. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 9 October 2027.

It has had one MOT, on 29 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 9,758 miles, which matches the advertised 10,100 miles.

Advertised mileage is about 9,100 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

39 other 2023 Kia Stonic GT Line 1.0 petrol manual SUVs are for sale at UK dealers, from £10,710 to £15,665, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 10,035 miles. Price: £14,995, £302 less than this car. Dealer: JCB Kia Ebbsfleet in Northfleet. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ad35cea1e472
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 9,232 miles. Price: £14,790, £507 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-aac0511b5f37
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 10,975 miles. Price: £15,498, £201 more than this car. Dealer: Arnold Clark Carlisle Hyundai / Geely / Vanstore in Carlisle. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5aa7b4d1369f

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 11,961 miles. Price: £14,897, £400 less than this car. Dealer: Flear & Thomson (Stirling) in Stirling. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4eef03de38bd