2020 Ford Focus ST Line X prices

There are 90 used 2020 Ford Focus ST Line X cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £10,500 (the median: half cost less, half cost more). The cheapest is £6,490. The middle half are priced between £9,500 and £11,600. Median mileage: about 58,000 miles.

Dealers lowered the asking price on more than a third of 2020 Ford Focus ST Line X cars: 31 of the 90 in the 14 days to 8 November 2026.

2020 Ford Focus ST Line X prices by engine and mileage

A 2020 Ford Focus ST Line X 1.5 diesel car typically costs £11,000, against £10,300 for the 1.0 petrol, as of 8 November 2026.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.5 diesel£11,000Too few for saleToo few for saleToo few for sale£10,000
1.0 petrol£10,300Too few for saleToo few for sale£10,600Too few for sale

Only 5 of the 2020 Ford Focus ST Line X cars for sale have the 2.0 diesel engine, too few to give a typical asking price.

Typical asking prices are of 2020 Ford Focus ST Line X cars for sale on 8 November 2026, and are given only where at least 20 cars with a price are for sale.

2020 Ford Focus ST Line X against other years

A 2019 Ford Focus ST Line X car has a typical asking price of £9,500, as of 8 November 2026.

AskCar lists 8,051 used Ford Focus across the UK, from 3,111 dealerships.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2020 Ford Focus ST Line X cars for sale now, page 1 of 3

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. 86 of the 87 cars listed here meet these rules. Pages 2 to 3 list every other 2020 Ford Focus ST Line X car, cheapest first, including the one 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 7,643 priced Ford Focus adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2020 Ford Focus ST Line X.

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

Best value 2020 Ford Focus ST Line X: priced furthest below the AskCar estimate

These 10 are priced 5% to 23% under their AskCar estimate. Their asking prices run from £7,350 to £12,597.

Cheapest 2020 Ford Focus ST Line X: the lowest asking prices

These 10 are priced £6,490 to £8,495. They have covered 52,268 to 132,950 miles.

Lowest-mileage 2020 Ford Focus ST Line X

These 10 have covered 25,400 to 39,807 miles. Their asking prices run from £10,665 to £14,500.

Recently reduced 2020 Ford Focus ST Line X: 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 £640 to £2,200.

Newly advertised 2020 Ford Focus ST Line X: 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.

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