Car comparison

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

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

300 hp4196 ccGasolineRWDAutomaticNaturally aspiratedSedan2003-2006

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 practicality score
77/100

Jaguar XJ (X350) 4.2 V8 32V

Lightest
1,615 kg
3,560 lb
Lowest highway consumption
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Best economy score
78/100

Specification comparison

Specification comparison
Model	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X350)4.2 V8 32V
Power	470hp350kW	300hp224kW
Torque	575Nm424lb-ft	411Nm303lb-ft
Curb weight	1,942kg4,281lb	1,615kg3,560lb
Gross weight	2,365kg5,214lb	2,200kg4,850lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	52.0s99% target: 262 km/h / 163 mph Calculated	67.8s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.2s	6.6s
0-200 km/h	15.6s Calculated	20.7s Calculated
0-60 mph	5.0s Calculated	6.3s Calculated
Fuel consumption	-	10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption city	15.7L/100 km15mpg US18.0mpg UK	16L/100 km14.7mpg US17.7mpg UK
Fuel consumption highway	11.2L/100 km21mpg US25.2mpg UK	8.1L/100 km29mpg US34.9mpg UK
Quarter mile	13.1s Calculated	14.5s Calculated
Power-to-weight	242hp/t180kW/t110hp/1000 lb Calculated	186hp/t139kW/t84hp/1000 lb Calculated
Torque-to-weight	296Nm/t198lb-ft/ton Calculated	254Nm/t170lb-ft/ton Calculated
Estimated range	-	780km485mi Calculated
Displacement	5,000cc305cu in	4,196cc256cu in
Length	5,127mm202in	5,090mm200in
Width	1,894mm75in	1,860mm73in
Height	1,457mm57in	1,448mm57in
Wheelbase	3,032mm119in	3,034mm119in
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 32VPowerTorque

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	6,000 rpm	4,100 rpm	6,250 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
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.0 s	6.3 s
0-100 km/h 0-62 mph	5.2 s	6.6 s
0-200 km/h 0-124 mph	15.6 s	20.7 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.4 s	2.6 s
330 ft 101 m	6.0 s	6.6 s
1/8 mile 201 m	8.8 s	9.7 s
1000 ft 305 m	11.2 s	12.3 s
1/4 mile 402 m	13.1 s	14.5 s
Trap speed 1/4 mile 402 m	184 km/h 114 mph	168 km/h 104 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	300 hp 224 kW

Jaguar XJ (X351) 5.0 V8 Supercharged has 170 hp more than Jaguar XJ (X350) 4.2 V8 32V.

The biggest power difference is between Jaguar XJ (X350) 4.2 V8 32V and Jaguar XJ (X351) 5.0 V8 Supercharged: 170 hp (127 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	411 Nm 303 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	1,615 kg 3,560 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	Unrestricted 260 km/h162 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	6.6 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: 1.4 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	186 hp/t 139 kW/t 5.4 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	300 hp 224 kW	6.6 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

JaguarXJ (X351)5.0 V8 Supercharged

Power	470 hp 350 kW
0-100 km/h	5.2 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	5,127 mm 201.9 in
Height	1,457 mm 57.4 in

JaguarXJ (X350)4.2 V8 32V

Power	300 hp 224 kW
0-100 km/h	6.6 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	470 L 16.6 cu ft
Length	5,090 mm 200.4 in
Height	1,448 mm 57.0 in

Detailed score breakdown

Vehicle

JaguarXJ (X351)5.0 V8 Supercharged

JaguarXJ (X350)4.2 V8 32V

Power

470 hp

350 kW

300 hp

224 kW

Torque

575 Nm

424 lb-ft

411 Nm

303 lb-ft

Acceleration

5.2 s

6.6 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,942 kg

4,281 lb

1,615 kg

3,560 lb

Fuel consumption

10.9 L/100 km

21.6 mpg US

25.9 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	5,127 mm 201.9 in
Height	1,457 mm 57.4 in

Doors/seats	4 doors 5 seats
Trunk	470 L 16.6 cu ft
Length	5,090 mm 200.4 in
Height	1,448 mm 57.0 in

Range score

780 km

485 mi

Trunk score

520 L

18.4 cu ft

470 L

16.6 cu ft

Power-to-weight score

242 hp/t

180 kW/t

4.1 kg/hp

186 hp/t

139 kW/t

5.4 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Jaguar XJ (X350) 4.2 V8 32V
Consumption	10.9 L/100 km21.6 mpg US25.9 mpg UK
Cost / 100 km	19.08 LC100 km
Cost / 100 mi	30.70 LC100 mi
Annual fuel used	1,635 L432 US gal360 UK gal
Annual fuel cost	2,861 LC/year