Smart Forfour (454)
The first-generation Smart Forfour (Type 454) was a conventional, front-engine, front-wheel-drive supermini developed alongside the Mitsubishi Colt. It abandoned the rear-engine layout of the Fortwo to offer a spacious, four-seat cabin with sliding rear seats and quirky two-tone plastic bodywork. In the UK, it was a slow seller and is now a rare sight, mostly remembered for its Brabus high-performance version. Reliability is generally very good thanks to the Mitsubishi-sourced engines and electronics, making it a dependable, if unconventional, cheap runaround. It suits budget buyers who want a reliable, practical small car that stands out from a typical Ford Fiesta.
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Common Faults & Reliability
These are the most common documented problems for the Smart Forfour (454), sorted by their typical impact and frequency.
Clutch Actuator Failure
high severityThe automated manual gearbox uses an electric actuator that can fail, leaving the car unable to select gears.
Rear Wheel Bearing Failure
medium severityRear bearings are a known weak point and can start to drone or hum.
Front Suspension Wear
medium severityWishbone bushes and anti-roll bar links wear out, leading to knocks and poor handling.
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