GroupA Evolution V-VI (tarmac spec 1998-1999)

All aluminum construction. Transversally mounted.

In-line 4 cylinders model 4G63 Turbo. Bore: 85.3mm Stroke: 88mm, 1998.6 cm³ , water cooled. Compression ratio: 8.5:1 Maximum output 300Bhp @ 6000rpm*, maximum torque: 52Kg/m @   3500rpm. ECI-Multi fuel injection system. Water cooled IHI turbocharger, max boost pressure: 2 bar.  Water injection and Post Combustion Control System fitted.

All wheel drive. Front and center  hydro-electronically controlled differentials. Mechanical self-locking rear differential. Hydro-electronic rear differential as of the rally of San Remo in 1999. Epicyclical center differential with an initial 50-50 % F/R torque distribution (varies depending on the in-board computer settings). The center differential can be disengaged to allow hand brake cornering.
Electronic traction control.

Final drive ratio varies depending on surface.
XTrac six speed sequential gear dog-box (i.e. non-synchronized).

Gear ratios:
1st:-
2nd:-
3rd:-
4th:-
5th:-
6th:-
R:-

Triple dry carbon plate power assisted clutch.

Rack and pinion steering, variable power assistance.

Front: Independent McPherson struts lower wishbone, coil springs and  Ohlins gas shock absorbers with remote gas tanks, antiroll bar.

Rear: Multilink layout, coil springs and Ohlins adjustable gas shock absorbers with remote gas tanks, antiroll bar.

Front: Vented disks (368 mm) AP racing 6 pot aluminum calipers, water cooled

Rear: Vented Disks (280 mm) AP racing 4 pot aluminum calipers.

Width: 1770mm

Height: 1370mm

Wheelbase: 2510mm

Front track: 1510mm

Rear track: 1505mm

Laden weight: 1260Kg

0-100Km/h: 3.1s
top speed: varies depending on gearing

The new engine management system offers an improved storage capacity that allows much more parameters to be taken into account.