Autotrader cars

Skip to contentSkip to footer

Smart forfour used cars for sale in Hertford

With 56 used Smart forfour cars in Hertford available on Auto Trader, we have the largest range of cars for sale available across the UK.

Search 56 cars

Used cars available to reserve

Carousel slide 1
20
Reserve online

Reserve online

£4,195
Good price

Smart forfour

*NAV *HEATED SEATS *ULEZ

Smart Forfour 1.0 Prime (Premium) Euro 6 (s/s) 5dr

2015 (15 reg) | 81,000 miles

Carousel slide 2
20
Reserve online

Reserve online

£6,995
Fair price

Smart forfour

NEW CLUTCH,DULL OPEN ROOF,AUTO

Smart Forfour 0.9T Prime Night Sky (Premium) Twinamic Euro 6 (s/s) 5dr

2015 (65 reg) | 61,897 miles

Carousel slide 3
20
Reserve online

Reserve online

£5,740
Good price

Smart forfour

REVERSE CAMERA, £20 TAX ONLY

Smart Forfour 1.0 Prime (Premium Plus) Euro 6 (s/s) 5dr

2015 (15 reg) | 39,004 miles

Carousel slide 4

Reserve today with Autotrader

Do more online and reserve your car when you're ready. You'll also be able to add finance or part exchange to your order.

Learn more about online orders

Used vehicles

Carousel slide 1

Smart forfour

1.1 Pulse 5dr

£699

  • Number of seats4 seats
  • Number of doors5 doors
  • Body typeHatchback
  • Fuel typePetrol
  • Transmission typeManual
  • Engine size1.1 litres
20
Carousel slide 2

Smart forfour

1.0 Edition Black Euro 6 (s/s) 5dr

£4,900

Fair price
  • Number of seats4 seats
  • Number of doors5 doors
  • Body typeHatchback
  • Fuel typePetrol
  • Transmission typeManual
  • Engine size1.0 litres
20
Carousel slide 3

Smart forfour

0.9T Proxy (Premium) Euro 6 (s/s) 5dr

£4,845

Great price
  • Number of seats4 seats
  • Number of doors5 doors
  • Body typeHatchback
  • Fuel typePetrol
  • Transmission typeManual
  • Engine size0.9 litres
20
Video
Carousel slide 4

Smart forfour

0.9T Edition 1 Euro 6 (s/s) 5dr

£4,490

Fair price
  • Number of seats4 seats
  • Number of doors5 doors
  • Body typeHatchback
  • Fuel typePetrol
  • Transmission typeManual
  • Engine size0.9 litres
20
Video
View morechevron-right

The latest Smart forfour articles

Editor’s Pick June 2025 | Smart car, stupid power

The new #5 electrifies a power-crazed collab between Smart and Brabus but it feels like we’ve been here before…

News3 months ago

Electric Car Giveaway: Smart EQ ForFour winner announced

Rory calls the winner of the Smart EQ ForFour to share the good news

News3 years ago

Smart forfour Hatchback (2019 - 2021) review

Electric version of Smart ForFour plays to the car’s city-friendly size and style for appealing zero emissions urban transport

Expert review3 years ago

Smart forfour Hatchback (2014 - 2020) review

The Smart ForFour is a city car that competes with rivals such as the Volkswagen Up and Hyundai i10, but that brings Smart’s usual attributes – namely style, quality and image – to the party. Question is, is that enough?

Expert review8 years ago

Popular Models