2018 Smart forfour

1.0 Passion Manual RWD Euro 6 (s/s) 5dr (70 bhp)

£5,995

Fair price: within 8% of the typical £5,660 for this model, age and mileage, drawing on 236 adverts of this make and model.

Overview

Make: Smart
Model: forfour
Trim: PASSION
Version: 1.0 Passion Manual RWD Euro 6 (s/s) 5dr (70 bhp)
Mileage: 22,253 miles
Year: 2018
Fuel type: Petrol
Body type: Hatchback
Engine: 1.0 L
Gearbox: Manual
Power: 70 bhp
Seats: 4
CO2: 97 g/km
Colour: White
Doors: 5
Driven wheels: Rear Wheel Drive
Engine badge: Passion
Emissions standard: Euro 6

About this car

This 2018 Smart forfour Passion has covered 22,253 miles, around 15,700 fewer than typical for its age. Its asking price of £5,995 is £335 above our estimate of £5,660. The estimate uses 236 UK dealer adverts for the Smart forfour, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 5 days. Its MOT is recorded as valid until 24 March 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Barn Cars in Brentwood.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 October 2026, 5 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observed	Asking price
15 October 2026	£5,995
19 October 2026	£5,995

Price and mileage comparison

Estimated market asking price: £5,660. The asking price is £335 above this estimate.

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

The pricing calculation includes 236 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 15,700 miles lower than typical for a 2018 Smart forfour.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 March 2027. 21,411 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £3,900 to £5,999.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£3,900	63,463 miles
£3,995	68,000 miles
£3,995	74,000 miles
£4,950	34,849 miles
£4,995	32,863 miles

These cars have covered 17,290–74,000 miles, compared with 22,253 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Smart forfour cars for sale · 2018 Smart forfour price guide

Dealer

Barn Cars, Brentwood. Across the dealer network: 98 cars for sale.

Dealer postcode: CM15 9SG.