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: 11,806 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 11,806 miles, approximately 7,300 below the typical mileage for its age. The dealer is asking £16,699, which is £104 below the AskCar estimate of £16,803. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. The asking price is now £800 lower than when we first recorded the advert 37 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Alan Day (Colindale) (London) in Barnet. 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: £104 (under 1%) under the AskCar estimate of £16,803.

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 37 days.

Price history

AskCar first saw this advert on 26 September 2026 at £17,499. Its asking price is now £16,699, £800 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 26 September 2026: £17,499
• 15 October 2026: £16,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 May 2027.

It has had one MOT, on 13 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,823 miles, which matches the advertised 11,806 miles.

Advertised mileage is about 7,300 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, red. Mileage: 11,701 miles. Price: £17,495, £796 more than this car. Dealer: Llandudno Kia in Llandudno. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1809167c8a85
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 12,008 miles. Price: £16,175, £524 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, grey. Mileage: 12,121 miles. Price: £16,498, £201 less than this car. Dealer: Arnold Clark Kilmarnock Hyundai Mg in Kilmarnock. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a4b1cf23e8b4

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 28,063 miles. Price: £15,999, £700 less than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3c6d6ab67cf6