2025 Kia Stonic

1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr (98 bhp)

£17,129

Fair price: within 8% of the typical £17,849 for this model, age and mileage, drawing on 1,698 adverts of this make and model.

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 (98 bhp)
Mileage: 18,105 miles
Year: 2025
Fuel type: Petrol Hybrid
Body type: SUV
Engine: 1.0 L
Gearbox: Automatic
Power: 98 bhp
Seats: 5
CO2: 129 g/km
Colour: Black
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: DCT
Engine badge: T-GDi; MHEV
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

At 18,105 miles, this 2025 Kia Stonic GT Line S has covered about 11,000 more miles than other 2025 Kia Stonic cars. The dealer is asking £17,129, which is £720 below our market estimate of £17,849. Our estimate draws on 1,698 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 53 days ago. Its asking price has since fallen by £1,270. The seller is Citygate Kia Watford, based in Watford.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 August 2026, 53 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,270 from the first recorded £18,399. 5 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observed	Asking price
30 August 2026	£18,399
15 September 2026	£18,399
17 September 2026	£18,497
25 September 2026	£17,998
30 September 2026	£17,729
10 October 2026	£17,491
16 October 2026	£17,229
20 October 2026	£17,129
21 October 2026	£17,129

Price and mileage comparison

Estimated market asking price: £17,849. The asking price is £720 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,698 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 11,000 miles higher than typical for a 2025 Kia Stonic.

MOT

MOT no details held by dvla.

34 other cars with the same year, trim, gearbox and fuel are for sale from £13,290 to £23,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£13,290	6,000 miles
£13,950	31,792 miles
£16,297	39,254 miles
£16,720	8,000 miles
£17,590	14,553 miles

These cars have covered 1,049–39,254 miles, compared with 18,105 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Kia Stonic cars for sale · 2025 Kia Stonic price guide

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Dealer

Citygate Kia Watford, Watford. Across the dealer network: 15 branches, 930 cars for sale.

Dealer postcode: WD19 4BY.

Dealer opening hours

Monday: 09:00-18:00
Tuesday: 09:00-18:00
Wednesday: 09:00-18:00
Thursday: 09:00-18:00
Friday: 09:00-18:00
Saturday: 09:00-17:00
Sunday: 10:00-16:00