Used Kia Stonic GT Line prices

There are 382 used Kia Stonic GT Line cars for sale from UK dealers on AskCar, as of 1 November 2026. Typical asking price £16,300 (the median: half cost less, half cost more). The cheapest is £8,725. The middle half are priced between £14,500 and £20,500.

Dealers lowered the asking price on more than a third of Kia Stonic GT Line cars: 160 of the 382 in the 14 days to 1 November 2026.

Kia Stonic GT Line prices by year

A 2026 Kia Stonic GT Line typically costs £21,500, against £21,000 for all 2026 Kia Stonic cars, as of 1 November 2026.

YearTypical asking priceTypical mileage
2026 Kia Stonic GT Line£21,5004,000 miles
2025 Kia Stonic GT Line£17,4006,000 miles
2024 Kia Stonic GT Line£15,90016,000 miles
2023 Kia Stonic GT Line£15,00016,000 miles
2022 Kia Stonic GT Line£12,50035,000 miles
2021 Kia Stonic GT Line£11,40047,000 miles

Typical asking prices are of Kia Stonic GT Line cars for sale on 1 November 2026, and are given only where at least 20 cars with a price are for sale.

AskCar lists 1,704 used Kia Stonic across the UK, from 786 dealerships.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

Kia Stonic GT Line cars for sale now, page 1 of 8

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 367 of the 380 cars listed here meet these rules. Pages 2 to 8 list every other Kia Stonic GT Line car, cheapest first, including the 13 the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 1,685 priced Kia Stonic adverts on AskCar as of 1 November 2026. The figures on this page describe the cars advertised, not a valuation of every Kia Stonic GT Line.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 2 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value Kia Stonic GT Line: priced furthest below the AskCar estimate

These 10 are priced 8% to 15% under their AskCar estimate. Their asking prices run from £14,200 to £20,499.

Cheapest Kia Stonic GT Line: the lowest asking prices

These 10 are priced £9,299 to £10,795. They have covered 50,000 to 89,000 miles.

Lowest-mileage Kia Stonic GT Line

These 10 have covered 1 to 258 miles. Their asking prices run from £18,290 to £24,598.

Recently reduced Kia Stonic GT Line: the biggest price reductions in the 14 days to 1 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 1 November 2026. Their reductions since AskCar first saw them run from £2,345 to £3,770.

Newly advertised Kia Stonic GT Line: first seen by AskCar in the 7 days to 1 November 2026

These 10 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Kia Stonic by gearbox, fuel and body

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