Car comparison

Jaguar XJ (X351) 5.0 V8 SuperchargedvsJaguar XJ (X350) 4.2 V8 32V L Super

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Jaguar XJ (X351)

5.0 V8 Supercharged

470 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2009-2012

Jaguar XJ (X350)

4.2 V8 32V L Super

400 hp4196 ccGasolineRWDAutomaticSuperchargedSedan2004-2006

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Jaguar XJ (X351) 5.0 V8 Supercharged

Quickest 0-100 km/h
5.2 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
470 hp
350 kW
Highest torque
575 Nm
424 lb-ft
Best power-to-weight
242 hp/t
180 kW/t
4.1 kg/hp
Lowest city consumption
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
Largest trunk
520 L
Best overall score
77/100
Best performance score
77/100
Best economy score
0/100
Best practicality score
77/100

Jaguar XJ (X350) 4.2 V8 32V L Super

Lightest
1,690 kg
3,726 lb
Lowest highway consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Specification comparison

Specification comparison
Model	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X350)4.2 V8 32V L Super
Power	470hp350kW	400hp298kW
Torque	575Nm424lb-ft	541Nm399lb-ft
Curb weight	1,942kg4,281lb	1,690kg3,726lb
Gross weight	2,365kg5,214lb	2,275kg5,016lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	52.0s99% target: 262 km/h / 163 mph Calculated	52.1s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	5.2s	5.3s
0-200 km/h	15.6s Calculated	15.8s Calculated
0-60 mph	5.0s Calculated	5.1s Calculated
Fuel consumption city	15.7L/100 km15mpg US18.0mpg UK	18.6L/100 km12.6mpg US15.2mpg UK
Fuel consumption highway	11.2L/100 km21mpg US25.2mpg UK	9L/100 km26.1mpg US31.4mpg UK
Quarter mile	13.1s Calculated	13.2s Calculated
Power-to-weight	242hp/t180kW/t110hp/1000 lb Calculated	237hp/t176kW/t107hp/1000 lb Calculated
Torque-to-weight	296Nm/t198lb-ft/ton Calculated	320Nm/t214lb-ft/ton Calculated
Displacement	5,000cc305cu in	4,196cc256cu in
Length	5,127mm202in	5,215mm205in
Width	1,894mm75in	1,860mm73in
Height	1,457mm57in	1,448mm57in
Wheelbase	3,032mm119in	3,159mm124in
Front track	1,626mm64in	1,556mm61in
Rear track	1,604mm63in	1,546mm61in
Trunk volume	520L	470L
Doors	4	4
Seats	5	5
Fuel tank	82L	85L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Jaguar XJ (X351) 5.0 V8 SuperchargedJaguar XJ (X350) 4.2 V8 32V L SuperPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
JaguarXJ (X351)5.0 V8 Supercharged	6,000-6,500 rpm	2,500-5,500 rpm	6,750 rpm
JaguarXJ (X350)4.2 V8 32V L Super	6,100 rpm	3,500 rpm	6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X350)4.2 V8 32V L Super
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.0 s	5.1 s
0-100 km/h 0-62 mph	5.2 s	5.3 s
0-200 km/h 0-124 mph	15.6 s	15.8 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	6.0 s	6.0 s
1/8 mile 201 m	8.8 s	8.8 s
1000 ft 305 m	11.2 s	11.2 s
1/4 mile 402 m	13.1 s	13.2 s
Trap speed 1/4 mile 402 m	184 km/h 114 mph	183 km/h 114 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	470 hp 350 kW
JaguarXJ (X350)4.2 V8 32V L Super	400 hp 298 kW

Jaguar XJ (X351) 5.0 V8 Supercharged has 70 hp more than Jaguar XJ (X350) 4.2 V8 32V L Super.

The biggest power difference is between Jaguar XJ (X350) 4.2 V8 32V L Super and Jaguar XJ (X351) 5.0 V8 Supercharged: 70 hp (52 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	575 Nm 424 lb-ft
JaguarXJ (X350)4.2 V8 32V L Super	541 Nm 399 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	1,942 kg 4,281 lb
JaguarXJ (X350)4.2 V8 32V L Super	1,690 kg 3,726 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
JaguarXJ (X350)4.2 V8 32V L Super	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	5.2 s
JaguarXJ (X350)4.2 V8 32V L Super	5.3 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) 5.0 V8 Supercharged and Jaguar XJ (X350) 4.2 V8 32V L Super: 0.1 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	242 hp/t 180 kW/t 4.1 kg/hp
JaguarXJ (X350)4.2 V8 32V L Super	237 hp/t 176 kW/t 4.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
JaguarXJ (X351)5.0 V8 Supercharged	470 hp 350 kW	5.2 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
JaguarXJ (X350)4.2 V8 32V L Super	400 hp 298 kW	5.3 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph