UK Reliability Directory

Smart Forfour (453)

Production Years: 2015 - 20213 Documented Faults

The second-generation Smart Forfour (Type 453) returned to the brand's roots, utilizing a rear-engine, rear-wheel-drive layout shared entirely with the Renault Twingo Mk3. This layout provided incredible packaging, allowing for a spacious cabin and an astonishingly tight turning circle in a very short car. In the UK, it serves as an excellent, highly maneuverable city car that can comfortably carry four adults on short trips. The introduction of the EQ (electric) version made it a popular choice for urban commuting. Reliability is robust, sharing its mechanicals with Renault, though the ride is noticeably firm. It is ideal for city families or those who need ultimate maneuverability and four doors.

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Common Faults & Reliability

These are the most common documented problems for the Smart Forfour (453), sorted by their typical impact and frequency.

Rear Door Handle Cable Failure

low severity

The cables inside the rear doors can snap or become detached, meaning the door cannot be opened from the outside.

Est. repair cost:£100–£200

Twinamic Gearbox Judder

medium severity

The dual-clutch transmission can develop a judder, especially when pulling away from a standstill or in heavy traffic.

Est. repair cost:£300–£1,200

Suspension Bottoming Out and Rapid Wear

medium severity

The suspension is quite stiff and can bottom out on speed bumps or rough roads. Front suspension arms and silent blocks wear rapidly, especially with kerb impacts in city driving.

Est. repair cost:£200–£500

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