XYZ Racing Tarmac Rally Coilovers — Smart FORFOUR (W454) 2004-2007

The W454 Forfour was never engineered with stage times in mind. Smart and Mitsubishi co-developed it on the Colt platform at NedCar, and the result was a tall, narrow, front-driven city car with soft springs and a lot of vertical travel. The XYZ Racing Tarmac Rally coilover for the Smart Forfour takes that comfort-first brief and reworks it for sealed-stage tarmac.

This is the Tarmac Rally specification: damping set to absorb broken pavement and kerb strikes while keeping the front tyres loaded. On a light, short-wheelbase car like the Forfour, that bias counts for more than raw stiffness. It is the difference between a contact patch that bites through a mid-corner ridge and one that skips wide.

What this coilover kit does for your 2004-2007 Smart Forfour (W454)

Drop the ride height on a W454 and you immediately address its biggest factory weakness: a high centre of gravity that lets the body pitch and roll long before the tyres are working. The Tarmac Rally tune is calibrated to soak up the impact of uneven surfaces, so the car settles over crests and broken edges instead of bouncing off line. Suppressing that body shock keeps weight planted on the driven front axle, which is where a small front-wheel-drive hatch finds its traction. The payoff is a Forfour that turns in with intent, holds a chosen line through compressions, and feels far more stable than the standard set-up under hard rally-pace driving.

About the Tarmac Rally coilover

The Tarmac Rally coilover is built for exactly the surface its name implies: sealed but rough tarmac, where the suspension has to deal with sudden vertical loads without unsettling the chassis. XYZ Racing tuned the damper to absorb the jolt of large bumps and pavement breaks, suppressing the shock that would otherwise transmit into the body. By keeping the wheel in contact with the road through those impacts, it raises available tyre traction and, with it, vehicle stability through fast, uneven sections. Being a coilover, it carries adjustable ride height so the Forfour can be set for the rake and stance a stage demands. The settings come directly from XYZ Racing’s own Tarmac Rally competition experience rather than a generic fast-road spring rate.

Fitment for the Smart Forfour (W454) (2004-2007)

This kit is specified for the first-generation Smart Forfour, chassis code W454, across the full 2004 to 2007 production span. The W454 is the Mitsubishi Colt-derived, front-wheel-drive Forfour built at NedCar, not the rear-engined ForTwo. Confirm your car’s chassis code against the W454 before ordering.

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Pick your ride-height and spec options and configure yours below to suit your Forfour.