2021 Ford S-Max 2.0 EcoBlue ST Line

Overview

• Make: Ford
• Model: S-Max
• Trim: ST Line
• Version: 2.0 EcoBlue ST Line Auto Euro 6 5dr (187 bhp)
• Year: 2021
• Mileage: 52,144 miles
• Fuel: Diesel
• Body: MPV, 5 doors, 7 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Colour: Red
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 52,144 miles on the clock, this 2021 Ford S-Max ST Line has done roughly 5,000 more miles than a typical 2021 Ford S-Max. Its asking price of £17,999 is £547 below the AskCar estimate of £18,546. To work out the AskCar estimate, we analyse UK dealer adverts for 487 Ford S-Max cars across different ages and specifications. We have tracked this advert for 23 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Gates of Braintree, based in Braintree. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £547 (2%) under the AskCar estimate of £18,546.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 487 priced Ford S-Max adverts across different ages and specifications, as of 2 November 2026.

A 2021 Ford S-Max with the 2.0 diesel engine is typically advertised at £16,500: the median of the 19 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Ford S-Max has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 10 October 2026 at £16,999. Its asking price is now £17,999, £1,000 more.

Price changes recorded:

• 10 October 2026: £16,999
• 11 October 2026: £17,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 February 2027.

It has had 3 MOTs. The latest, on 12 February 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 42,238 miles, which matches the advertised 52,144 miles.

Advertised mileage is about 5,000 miles higher than the median mileage of a 2021 Ford S-Max on AskCar.

Similar cars

6 other 2021 Ford S-Max ST Line 2.0 diesel automatic MPVs are for sale at UK dealers, from £11,994 to £21,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Ford S-Max ST Line, 2.0 diesel MPV, silver. Mileage: 51,163 miles. Price: £19,960, £1,961 more than this car. Dealer: Sandicliffe FordStore Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/ford-s-max-2021-6dde76b9e84e
• 2021 Ford S-Max ST Line, 2.0 diesel MPV, grey. Mileage: 50,350 miles. Price: £18,495, £496 more than this car. Dealer: Wallace Car Sales in Bolton. AskCar page: https://askcar.co.uk/car/ford-s-max-2021-ad64717c6013
• 2021 Ford S-Max ST Line, 2.0 diesel MPV, blue. Mileage: 60,673 miles. Price: £16,995, £1,004 less than this car. Dealer: Mks Lux in Dundee. AskCar page: https://askcar.co.uk/car/ford-s-max-2021-981047174712