2025 Smart #3

66kWh Brabus Auto 4WD 5dr (421 bhp)

£29,950

Fair price: within 8% of the typical £30,970 for this model, age and mileage, drawing on 30 adverts of this make and model.

Overview

Make: Smart
Model: #3
Trim: BRABUS
Version: 66kWh Brabus Auto 4WD 5dr (421 bhp)
Mileage: 4,923 miles
Year: 2025
Fuel type: Electric
Body type: SUV
Gearbox: Automatic
Power: 421 bhp
Seats: 5
CO2: 0 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: BRABUS
Emissions standard: Euro 6

About this car

The advertised mileage for this 2025 Smart #3 Brabus is 4,923 miles. At £29,950, it is advertised £1,020 below our estimated market asking price of £30,970. We use UK dealer asking prices, including 30 Smart #3 listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 4 days ago. The seller is Group 1 Automotive Mercedes-Benz of Hertford, based in Hertford.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 October 2026, 4 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observed	Asking price
16 October 2026	£29,950
19 October 2026	£29,950

Price and mileage comparison

Estimated market asking price: £30,970. The asking price is £1,020 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 30 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 100 miles lower than typical for a 2025 Smart #3.

MOT

MOT no details held by dvla.

4 other cars with the same year, trim, gearbox and fuel are for sale from £29,969 to £32,500.

Other matching cars
Asking price	Mileage
£29,969	6,903 miles
£30,000	5,397 miles
£31,000	6,181 miles
£32,500	15,395 miles

These cars have covered 5,397–15,395 miles, compared with 4,923 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 #3 cars for sale · 2025 Smart #3 price guide

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Dealer

Group 1 Automotive Mercedes-Benz of Hertford, Hertford. Across the dealer network: 145 branches, 8,684 cars for sale.

Dealer postcode: SG13 7LB.

Dealer opening hours

Monday: 08:30-18:00
Tuesday: 08:30-18:00
Wednesday: 08:30-18:00
Thursday: 08:30-18:00
Friday: 08:30-18:00
Saturday: 09:00-17:00
Sunday: 10:00-16:00