2018 Smart forfour

0.9 T Prime Sport Premium Auto RWD Euro 6 (s/s) 5dr Twinamic (89 bhp)

£8,288

Fair price: within 8% of the typical £8,688 for this model, age and mileage, drawing on 238 adverts of this make and model.

Overview

Make
Smart
Model
forfour
Trim
PRIME SPORT PREMIUM
Version
0.9 T Prime Sport Premium Auto RWD Euro 6 (s/s) 5dr Twinamic (89 bhp)
Mileage
42,236 miles
Year
2018
Fuel type
Petrol
Body type
Hatchback
Engine
0.9 L
Gearbox
Automatic
Power
89 bhp
Seats
4
CO2
98 g/km
Colour
Grey
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
PRIME SPORT PREMIUM
Emissions standard
Euro 6

About this car

With 42,236 miles on the clock, this 2018 Smart forfour Prime Sport Premium has done roughly 4,200 more miles than a typical 2018 Smart forfour. Our estimated market asking price is £8,688. This car is advertised at £8,288, which is £400 below that figure. We use UK dealer asking prices, including 238 Smart forfour listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 76 days ago, the asking price has dropped by £599. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 6 November 2026. The advertised mileage is consistent with the latest MOT reading. It is for sale at The Car Traders London in Romford.

Stock data from 18 October 2026.

How we estimate prices and check cars

Price history

First seen on 4 August 2026, 76 days ago. Advert duration calculated on 19 October 2026. Net asking-price reduction: £599 from the first recorded £8,887. 5 price reductions recorded, the latest observed on 29 September 2026.

Recorded asking prices
Date observedAsking price
5 August 2026£8,887
11 August 2026£8,587
19 August 2026£8,787
21 August 2026£8,487
27 August 2026£8,388
10 September 2026£7,988
23 September 2026£8,188
29 September 2026£7,988
6 October 2026£8,288
18 October 2026£8,288

Price and mileage comparison

Estimated market asking price: £8,688. The asking price is £400 below 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 238 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 4,200 miles higher than typical for a 2018 Smart forfour.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 6 November 2026. 38,373 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £7,685 to £11,149.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£7,68538,000 miles
£7,68538,000 miles
£7,95054,918 miles
£7,99546,000 miles
£7,99553,026 miles

These cars have covered 14,433–54,918 miles, compared with 42,236 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

Similar cars for less

Dealer

The Car Traders London, Romford. Across the dealer network: 620 cars for sale.

Dealer postcode: RM7 0JJ.

Dealer opening hours

Monday
10:00-19:00
Tuesday
10:00-19:00
Wednesday
10:00-19:00
Thursday
10:00-19:00
Friday
10:00-19:00
Saturday
10:00-19:00
Sunday
10:00-19:00

Vehicle photos