2018 Mercedes-Benz GLA prices

This 2018 Mercedes-Benz GLA is no longer listed. Here are similar cars for sale now.

There are 277 used 2018 Mercedes-Benz GLA cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £11,800 (the median: half cost less, half cost more). The cheapest is £6,499. The middle half are priced between £10,400 and £13,200. Median mileage: about 65,000 miles.

Dealers lowered the asking price on more than a quarter of 2018 Mercedes-Benz GLA cars: 75 of the 277 in the 14 days to 8 November 2026.

2018 Mercedes-Benz GLA prices by engine and mileage

A 2018 Mercedes-Benz GLA 2.1 diesel car typically costs £11,800, against £11,200 for the 1.6 petrol, as of 8 November 2026.

A 2018 Mercedes-Benz GLA 2.1 diesel car with 40,000 to 60,000 miles typically costs £13,100, against £11,000 with 60,000 miles or more.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
2.1 diesel£11,800Too few for saleToo few for sale£13,100£11,000
1.6 petrol£11,200Too few for saleToo few for sale£12,400£10,500

Only 12 of the 2018 Mercedes-Benz GLA cars for sale have the 2.0 petrol engine, too few to give a typical asking price.

2018 Mercedes-Benz GLA prices by trim

TrimTypical asking price, 2018 cars
AMG Line£11,200
AMG Line Premium£12,000
Sport Executive£11,500
Urban Edition£11,200
AMG Line Premium Plus£13,800
SE Executive£10,400
SportToo few for sale
SEToo few for sale
AMG Line ExecutiveToo few for sale
Sport PremiumToo few for sale
Sport Premium PlusToo few for sale

Only 15 of the 2018 Mercedes-Benz GLA cars for sale are Sport, too few to give a typical asking price.

Only 15 of the 2018 Mercedes-Benz GLA cars for sale are SE, too few to give a typical asking price.

Only 13 of the 2018 Mercedes-Benz GLA cars for sale are AMG Line Executive, too few to give a typical asking price.

Only 11 of the 2018 Mercedes-Benz GLA cars for sale are Sport Premium, too few to give a typical asking price.

Only 4 of the 2018 Mercedes-Benz GLA cars for sale are Sport Premium Plus, too few to give a typical asking price.

Typical asking prices are of 2018 Mercedes-Benz GLA cars for sale on 8 November 2026, and are given only where at least 20 cars with a price are for sale.

2018 Mercedes-Benz GLA against other years

A 2017 Mercedes-Benz GLA car has a typical asking price of £11,000 and a 2019 one £13,000, as of 8 November 2026.

AskCar lists 2,535 used Mercedes-Benz GLA across the UK, from 1,304 dealerships.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2018 Mercedes-Benz GLA cars for sale now, page 1 of 6

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. 253 of the 259 cars listed here meet these rules. Pages 2 to 6 list every other 2018 Mercedes-Benz GLA car, cheapest first, including the 6 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 2,461 priced Mercedes-Benz GLA adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Mercedes-Benz GLA.

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 18 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2018 Mercedes-Benz GLA: priced furthest below the AskCar estimate

These 10 are priced 10% to 22% under their AskCar estimate. Their asking prices run from £7,995 to £12,320.

Cheapest 2018 Mercedes-Benz GLA: the lowest asking prices

These 10 are priced £6,499 to £7,999. They have covered 92,000 to 184,245 miles.

Lowest-mileage 2018 Mercedes-Benz GLA

These 10 have covered 17,000 to 28,722 miles. Their asking prices run from £13,760 to £17,495.

Recently reduced 2018 Mercedes-Benz GLA: the biggest price reductions in the 14 days to 8 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £1,500 to £7,496.

Newly advertised 2018 Mercedes-Benz GLA: first seen by AskCar in the 7 days to 8 November 2026

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

Mercedes-Benz GLA by gearbox, fuel and body

Mercedes-Benz GLA prices by year

Mercedes-Benz GLA by trim

2018 Mercedes-Benz GLA by price

2018 Mercedes-Benz GLA by trim

Mercedes-Benz GLA by price

Mercedes-Benz GLA near you

More Mercedes-Benz

Everything