2009 Jaguar XJ Technical Specifications and data. Engine, Dimensions and Mechanical details.

Engine [Optional Engines]
Engine Configuration	V
Cylinders	8
Aspiration/Induction	Normal
Displacement	4.20 L \| 256.3 cu in. \| 4200.8 cc.
Valves	32 valves. 4 valves per cylinder.
Valvetrain	DOHC
Horsepower	300.00 BHP (220.8 KW) @ 6000.00 RPM
Torque	310.00 Ft-Lbs (420.4 NM) @ 4100.00 RPM
HP to Weight Ratio	12.6 LB / HP
HP / Liter	71.4 BHP / Liter
Compression Ratio	11.0:1
Main Bearings	5
Fuel Type	Gasoline - Petrol
Fuel Feed	Fuel Injected
	Electronic Multi-port Fuel Injection
Block	Aluminum
Head	Aluminum
Crankshaft	SG cast iron, 5 main bearings
Pistons	Cast aluminum, 3 piece oil control rings, steel cylinder liners
Connecting Rods	Sinter forged, fracture split

Dimensions
Cargo Volume	16.40 cu. ft.
Fuel Capacity	22.5 Gal
Seating Capacity	5
Doors	4
Exterior
Length	200.401 in \| 5090.2 mm.
Width	83.001 in \| 2108.2 mm.
Height	57.001 in \| 1447.8 mm.
Wheelbase	119.401 in \| 3032.8 mm.
Front Track	61.301 in \| 1557 mm.
Rear Track	60.901 in \| 1546.9 mm.
Interior
Front Headroom	38.401 in \| 975.4 mm.
Rear Headroom	38.601 in \| 980.5 mm.
Front Legroom	43.101 in \| 1094.8 mm.
Rear Legroom	38.701 in \| 983 mm.
Front Shoulder Room	58.301 in \| 1480.8 mm.
Rear Shoulder Room	58.201 in \| 1478.3 mm.
	Vehicles with similar dimensions

Suspension
Suspension	Front : Independent forged aluminum double wishbone design with 29 mm anti-roll bar; Self-levelling air springs Rear : Independent aluminum double wishbone design with 16 mm anti-roll bar; Self-levelling air springs

Steering
	Rack and Pinion with Power Assist
Turns lock to lock	2.80
Turning Circle	38.001 ft

Brakes
Front Brakes	Floating cast iron calipers
Rear Brakes	Aluminum calipers w/ integral park brake caliper
Front Brake Size	12.831 in \| 325.9 mm.
Rear Brake Size	12.831 in \| 325.9 mm.