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 riveted aluminium honeycomb tub with bolt-on alloy body panels and composite underbody venturis, front splitter and rear spoiler.	Bonded and riveted 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: independent, 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: independent with double unequal-length wishbones, inboard coil springs, Bilstein gas-pressurised dampers and anti-roll bars.
Brakes	38 mm wide ventilated discs, 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