Jaguar XJ220 (V12 & V6) Specifications

Engine:

Prototype Production
Type V12 normally aspirated quad cam Twin turbo V6 quad cam
Bore x stroke - mm 92 x 78 94 x 84
Displacement - cc 6,222 3,498
Compression ratio 10.0:1 8.3:1
Valve gear Four valves per cylinder, operated by twin overhead camshafts per bank of cylinders four valves per cylinder, operated by twin belt-driven overhead camshafts per bank of cylinders
Fuel system Zytek electronic sequential fuel injection Zytek electronic sequential fuel injection with twin Garrett T3 turbochargers, twin air-to-air intercoolers
Ignition Zytek electronic distributor-less engine management Zytek electronic engine management
Max power 500+ bhp @ 7,000 rpm 542 bhp @ 7,000 rpm
Max torque 400+ lb ft @ 5,000 rpm 475 lb ft @ 4,500 rpm
 

Transmission:

Prototype Production
Type FF Develpments five-speed transaxle with AP Racing twin-plate clutch, four-wheel drive via epicylic centre differential with viscous coupling lock. Torque split 69% rear, 31% front. Viscous coupling locks across front and rear differentials. FF Developments five-speed transaxle with AP Racing 8.5-in diameter lug drive clutch, rear-wheel drive via viscous-coupling-controlled limited-slip differential and spiral bevel final drive.
Ratios
  • 1st – 3.00:1
  • 2nd – 1.941:1
  • 3rd – 1.450:1
  • 4th – 1.130:1
  • 5th – 0.923:1
  • 1st – 3.00:1
  • 2nd – 1.95:1
  • 3rd – 1.42:1
  • 4th – 1.09:1
  • 5th – 0.85:1
Final drive ratio 2.88:1 rear, 2.76:1 front 3.364:1
 

Body / Chassis:

Prototype Production
Type Bonded and rivetted aluminium honeycomb tub with bolt-on alloy body panels and composite underbody venturis, front splitter and rear spoiler. Bonded and rivetted aluminium honeycomb tub with bolt-on alloy body panels and composite underbody venturis, front splitter and rear spoiler.
 

Running Gear:

Prototype Production
Steering Rack and pinion Rack and pinion, 2.5 turns lock-to-lock.
Suspension Front: independant, double wishbone, push rod and rocker operated spring damper units, anti-roll bar. Rear: independent, double wishbone, rocker-operated twin spring damper units. Front and rear: independant with double unequal-length wishbones, inboard coil springs, Bilstein gas-pressurised dampers and anti-roll bars.
Brakes 38 mm wide ventilated disce, 13-in (330-mm) diameter discs front and rear; AP Racing four-pot calipers all round; 4-channel anti-lock standard. Electronically-operated hydraulic booster. 32 mm wide ventilated discs, 13-in (330-mm) diameter front, 11.8-in (300-mm) diameter rear; AP Racing four-pot calipers all round.
Wheels Front and rear: all alloy rims, 11 in x 17 in Speedline one-piece alloy Front: 9 in x 17 in Rear: 14 in x 18 in
Tyres Front and rear: Pirelli P-Zero 295/40 ZR17 Bridgestone Expedia S.01 asymmetric uni-directional Front: 255/45 ZR17 Rear: 345/35 ZR18
 

Performance:

Prototype Production
0-60 mph - seconds 3.5 3.8
0-100mph - seconds 8.0 7.3
0-124mph - seconds 12.0
Standing 1/4 mile - seconds 11.5
Standing km - seconds 20.3
Top speed - mph (kph) 200+ (320+) 213 (335)
Max speed in 1st gear (mph) 60
Max speed in 2nd gear (mph) 93
Max speed in 3rd gear (mph) 128
Max speed in 4th gear (mph) 166
Max speed in 5th gear (mph) 213
 

Fuel Consumption:

Prototype Production
At constant 75 mph 26.92 mpg
At constant 56 mph 32.32
Urban cycle 16.12 mpg
 

Weight / Dimensions

Prototype Production
Kerb weight - kg (lb) 1,560 (3,448) 1,470 (3,241)
Weight Distribution - Fr/Rr % 30/70
Length - mm (in) 5,140 (202.4) 4,930 (194.1)
Width - mm (in) 2,000 (86.7) 2,220 (87.4)
Height - mm (in) 1,150 (45.3) 1,150 (45.3)
Wheelbase - mm (in) 2,845 (112.0) 2,640 (103.9)
Front/rear track - mm (in) 1,650/1,650 (65.0/65.0) 1,710/1,588 (67.3/62.5)
 

Aerodynamics

Prototype Production
Drag - Cd 0.35 to 0.38 0.36
Downforce - Cz -0.25