2018 BMW 5 Series SE prices

There are 49 used 2018 BMW 5 Series SE cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £12,500 (the median: half cost less, half cost more). The cheapest is £7,475. The middle half are priced between £10,500 and £13,500. Median mileage: about 85,000 miles.

Dealers lowered the asking price on more than one in five of 2018 BMW 5 Series SE cars: 11 of the 49 in the 14 days to 9 November 2026.

2018 BMW 5 Series SE prices by engine and mileage

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
2.0 diesel£12,000Too few for saleToo few for saleToo few for sale£11,400

Only 6 of the 2018 BMW 5 Series SE cars for sale have the 3.0 diesel engine, too few to give a typical asking price.

Typical asking prices are of 2018 BMW 5 Series SE cars for sale on 9 November 2026, and are given only where at least 20 cars with a price are for sale.

2018 BMW 5 Series SE against other years

A 2017 BMW 5 Series SE car has a typical asking price of £12,000 and a 2019 one £14,000, as of 9 November 2026.

AskCar lists 2,809 used BMW 5 Series across the UK, from 1,450 dealerships.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2018 BMW 5 Series SE 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. All 42 cars listed here meet these rules. Page 2 lists every other 2018 BMW 5 Series SE car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 2,710 priced BMW 5 Series adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 BMW 5 Series SE.

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

Best value 2018 BMW 5 Series SE: priced furthest below the AskCar estimate

These 10 are priced 5% to 16% under their AskCar estimate. Their asking prices run from £7,475 to £15,800.

Cheapest 2018 BMW 5 Series SE: the lowest asking prices

These 10 are priced £7,475 to £10,495. They have covered 97,200 to 141,000 miles.

Lowest-mileage 2018 BMW 5 Series SE

These 10 have covered 48,000 to 65,000 miles. Their asking prices run from £12,990 to £28,495.

Recently reduced 2018 BMW 5 Series SE: the biggest price reductions in the 14 days to 9 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 9 November 2026. Their reductions since AskCar first saw them run from £600 to £4,000.

Newly advertised 2018 BMW 5 Series SE: first seen by AskCar in the 7 days to 9 November 2026

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

BMW 5 Series by gearbox, fuel and body

BMW 5 Series prices by year

BMW 5 Series by trim

2018 BMW 5 Series by price

2018 BMW 5 Series by trim

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