2004–2006 Smart Forfour (454)
Browse our directory of 2004–2006 Smart Forfour (454) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2004–2006 Smart Forfour (454) has 3 known issues. 1 of these are classified as serious faults that could be expensive to repair. 2 are moderate concerns worth inspecting before purchase.
Clutch Actuator Failure
SeriousThe automated manual gearbox uses an electric actuator that can fail, leaving the car unable to select gears.
Symptoms: Stalling when stopping, Refusal to engage gear...
Est. repair cost: £400–£800
Rear Wheel Bearing Failure
ModerateRear bearings are a known weak point and can start to drone or hum.
Symptoms: Droning noise from the rear that increases with speed
Est. repair cost: £150–£300
Front Suspension Wear
ModerateWishbone bushes and anti-roll bar links wear out, leading to knocks and poor handling.
Symptoms: Knocking over bumps, Car pulling to one side
Est. repair cost: £150–£400
Buying Tips for the 2004–2006 Smart Forfour (454)
- ✓The 1.3 and 1.5 petrol engines are very reliable (Mitsubishi units).
- ✓If buying an "Automatic" (Softouch), ensure it doesn't lurch or stall when coming to a stop.
- ✓Check the rear disc brakes; they often corrode due to under-use.
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