2017 Peugeot 308 GT Line prices

There are 30 used 2017 Peugeot 308 GT Line cars for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £6,000 (the median: half cost less, half cost more). The cheapest is £4,395. The middle half are priced between £5,000 and £6,900. Median mileage: about 72,000 miles.

Dealers lowered the asking price on more than one in ten of 2017 Peugeot 308 GT Line cars: 5 of the 30 in the 14 days to 10 November 2026.

2017 Peugeot 308 GT Line against other years

A 2016 Peugeot 308 GT Line car has a typical asking price of £5,700 and a 2018 one £6,500, as of 10 November 2026.

AskCar lists 1,103 used Peugeot 308 across the UK, from 776 dealerships.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2017 Peugeot 308 GT Line cars for sale now, page 1 of 2

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. 27 of the 29 cars listed here meet these rules. Page 2 lists every other 2017 Peugeot 308 GT Line car, cheapest first, including the 2 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 1,063 priced Peugeot 308 adverts on AskCar as of 10 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2017 Peugeot 308 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 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

Best value 2017 Peugeot 308 GT Line: priced furthest below the AskCar estimate

These 10 are priced 3% to 14% under their AskCar estimate. Their asking prices run from £4,494 to £7,200.

Cheapest 2017 Peugeot 308 GT Line: the lowest asking prices

These 10 are priced £4,395 to £5,250. They have covered 76,000 to 122,000 miles.

Lowest-mileage 2017 Peugeot 308 GT Line

These 10 have covered 19,000 to 70,000 miles. Their asking prices run from £5,995 to £9,290.

Recently reduced 2017 Peugeot 308 GT Line: the biggest price reductions in the 14 days to 10 November 2026

The dealer lowered the asking price on each of these 4 in the 14 days to 10 November 2026. Their reductions since AskCar first saw them run from £100 to £499.

Newly advertised 2017 Peugeot 308 GT Line: first seen by AskCar in the 7 days to 10 November 2026

These 3 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Peugeot 308 by gearbox, fuel and body

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