Lancia Delta S4 Group B 

  • 1985
  • 550 HP 1.8L

Data points Key details of the Lancia Delta S4 Group B


Delta S4 Group B
550 HP
Venom GT2
1,500 HP
Venom GT
1,200 HP


Delta S4 Group B
215 ft-lb
922 ft-lb
Agera R
888 ft-lb

Specifications Full list of technical specs


Brand Lancia
Year 1985


Drivetrain 4WD w/Limited-Slip Viscous Center Coupling, Front & rear Self-Locking ZF Differentials
Gearing Traditional
# of gears 5 gears

suspension, wheels & brakes

Front brakes Brembo Disc
Rear brakes Brembo Disc

physical dimensions

Curb weight 2,646 lb
Width 74 in
Height 53.5 in
Length 157.1 in
Front track width 59.4 in
Wheelbase 96.1 in

power & handling

Power-to-weight ratio 4.81 lb/hp
Maximum hp 550 HP @ 8,000 RPM
Maximum torque 215 ft-lb @ 4,500 RPM
Steering system Rack and pinion


Displacement 1,759 cc
Air compressor Turbocharger
Fuels Gas
Compression ratio 7:1
Bore/stroke 3.48 in / 2.81 in
Valvetrain DOHC
Valves per cylinder 4 valves
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