2018 Smart forfour 1.0 Prime Sport Premium
Price: £9,500. Fair price: £636 (7%) over the AskCar estimate of £8,864, our expected asking price for this car from its model, age, mileage and specification, drawing on 246 priced Smart forfour adverts on AskCar as of 2 November 2026.
AskCar lists 259 used Smart forfour from 217 UK dealerships, as of 2 November 2026.
Overview
- Make: Smart
- Model: forfour
- Trim: Prime Sport Premium
- Version: 1.0 Prime Sport Premium Auto RWD Euro 6 5dr Twinamic (70 bhp)
- Year: 2018
- Mileage: 21,417 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 4 seats
- Engine: 1.0 litres, 70 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 112 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Smart forfour Prime Sport Premium has covered 21,417 miles, around 16,100 fewer miles than is typical for its age. The dealer is asking £9,500, which is £636 above the AskCar estimate of £8,864. To work out the AskCar estimate, we analyse UK dealer adverts for 246 Smart forfour cars across different ages and specifications. We first recorded this car for sale 5 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £636 (7%) over the AskCar estimate of £8,864.
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 246 priced Smart forfour adverts across different ages and specifications, as of 2 November 2026.
A 2018 Smart forfour with the 1.0 petrol engine is typically advertised at £5,500: the median of the 27 for sale on AskCar, as of 2 November 2026.
Time on sale
AskCar first saw this 2018 Smart forfour advertised 5 days ago. About 6 in 10 of 2018 Smart forfour cars are gone from sale within a month of being advertised: 32 of the 53 first advertised between 13 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 28 October 2026 at £9,500. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 November 2026.
It has had 6 MOTs. The latest, on 17 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 19,465 miles, which matches the advertised 21,417 miles.
Advertised mileage is about 16,100 miles lower than the median mileage of a 2018 Smart forfour on AskCar.
Similar cars
3 other 2018 Smart forfour Prime Sport Premium 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £7,485 to £9,325, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Smart forfour Prime Sport Premium, 1.0 petrol hatchback, red. Mileage: 21,899 miles. Price: £9,325, £175 less than this car. Dealer: Perrys Preston in Preston. AskCar page: https://askcar.co.uk/car/smart-forfour-2018-1d45d46a582c
- 2018 Smart forfour Prime Sport Premium, 1.0 petrol hatchback, red. Mileage: 38,000 miles. Price: £7,485, £2,015 less than this car. Dealer: Excellent Cars in Sheffield. AskCar page: https://askcar.co.uk/car/smart-forfour-2018-0f7fe3990325
- 2018 Smart forfour Prime Sport Premium, 1.0 petrol hatchback, red. Mileage: 38,000 miles. Price: £7,485, £2,015 less than this car. Dealer: Excellent Cars in Sheffield. AskCar page: https://askcar.co.uk/car/smart-forfour-2018-ffed0408e0b4
Browse all Smart forfour cars for sale · 2018 Smart forfour price guide
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Photos
29 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.