2018 Mercedes-Benz G Class prices

There are 31 used 2018 Mercedes-Benz G Class cars for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £104,500 (the median: half cost less, half cost more). The cheapest is £4,800. The middle half are priced between £64,000 and £119,000. Median mileage: about 54,000 miles.

Dealers lowered the asking price on more than a quarter of 2018 Mercedes-Benz G Class cars: 10 of the 31 in the 14 days to 10 November 2026.

2018 Mercedes-Benz G Class against other years

A 2019 Mercedes-Benz G Class car has a typical asking price of £112,500, as of 10 November 2026.

AskCar lists 481 used Mercedes-Benz G Class across the UK, from 281 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.

2018 Mercedes-Benz G Class 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. 26 of the 29 cars listed here meet these rules. Page 2 lists every other 2018 Mercedes-Benz G Class car, cheapest first, including the 3 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 411 priced Mercedes-Benz G Class adverts on AskCar as of 10 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Mercedes-Benz G Class.

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 2018 Mercedes-Benz G Class: priced furthest below the AskCar estimate

These 10 are priced 0% to 18% under their AskCar estimate. Their asking prices run from £49,999 to £106,495.

Cheapest 2018 Mercedes-Benz G Class: the lowest asking prices

These 10 are priced £49,999 to £99,500. They have covered 37,910 to 71,000 miles.

Lowest-mileage 2018 Mercedes-Benz G Class

These 10 have covered 23,500 to 44,125 miles. Their asking prices run from £49,999 to £499,995.

Recently reduced 2018 Mercedes-Benz G Class: the biggest price reductions in the 14 days to 10 November 2026

The dealer lowered the asking price on each of these 9 in the 14 days to 10 November 2026. Their reductions since AskCar first saw them run from £500 to £11,500.

Newly advertised 2018 Mercedes-Benz G Class: first seen by AskCar in the 7 days to 10 November 2026

This car is the most recently advertised.

Mercedes-Benz G Class by gearbox, fuel and body

Mercedes-Benz G Class prices by year

Mercedes-Benz G Class by trim

Mercedes-Benz G Class near you

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