Car comparison

Jaguar XJ (X351) R 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)

R 5.0 V8 Supercharged

550 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2013-2015

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) R 5.0 V8 Supercharged

Quickest 0-100 km/h
4.6 s
Fastest top speed
295 km/h
183 mph Unrestricted
280 km/h
174 mph Restricted
Most powerful
550 hp
410 kW
Highest torque
680 Nm
502 lb-ft
Best power-to-weight
294 hp/t
219 kW/t
3.4 kg/hp
Lowest city consumption
16.9 L/100 km
13.9 mpg US
16.7 mpg UK
Lowest highway consumption
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
Largest trunk
520 L
Best overall score
83/100
Best performance score
86/100
Best economy score
76/100
Best practicality score
77/100

Jaguar XJ (X350) 4.2 V8 32V L Super

Lightest
1,690 kg
3,726 lb

Specification comparison

Specification comparison
Model	JaguarXJ (X351)R 5.0 V8 Supercharged	JaguarXJ (X350)4.2 V8 32V L Super
Power	550hp410kW	400hp298kW
Torque	680Nm502lb-ft	541Nm399lb-ft
Curb weight	1,873kg4,129lb	1,690kg3,726lb
Gross weight	2,400kg5,291lb	2,275kg5,016lb
Top speed	Unrestricted 295 km/h183 mph Restricted 280 km/h174 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	48.7s99% target: 292 km/h / 181 mph Calculated	52.1s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.6s	5.3s
0-200 km/h	12.3s Calculated	15.8s Calculated
0-60 mph	4.4s Calculated	5.1s Calculated
Fuel consumption	11.6L/100 km20.3mpg US24.4mpg UK	-
Fuel consumption city	16.9L/100 km13.9mpg US16.7mpg UK	18.6L/100 km12.6mpg US15.2mpg UK
Fuel consumption highway	8.6L/100 km27.4mpg US32.8mpg UK	9L/100 km26.1mpg US31.4mpg UK
Quarter mile	12.3s Calculated	13.2s Calculated
Power-to-weight	294hp/t219kW/t133hp/1000 lb Calculated	237hp/t176kW/t107hp/1000 lb Calculated
Torque-to-weight	363Nm/t243lb-ft/ton Calculated	320Nm/t214lb-ft/ton Calculated
Estimated range	707km439mi Calculated	-
Displacement	5,000cc305cu in	4,196cc256cu in
Length	5,127mm202in	5,215mm205in
Width	1,899mm75in	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) R 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)R 5.0 V8 Supercharged	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)R 5.0 V8 Supercharged	JaguarXJ (X350)4.2 V8 32V L Super
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.4 s	5.1 s
0-100 km/h 0-62 mph	4.6 s	5.3 s
0-200 km/h 0-124 mph	12.3 s	15.8 s
Top speed	Unrestricted 295 km/h183 mph Restricted 280 km/h174 mph Limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.3 s	2.4 s
330 ft 101 m	5.7 s	6.0 s
1/8 mile 201 m	8.3 s	8.8 s
1000 ft 305 m	10.5 s	11.2 s
1/4 mile 402 m	12.3 s	13.2 s
Trap speed 1/4 mile 402 m	200 km/h 124 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)R 5.0 V8 Supercharged	550 hp 410 kW
JaguarXJ (X350)4.2 V8 32V L Super	400 hp 298 kW

Jaguar XJ (X351) R 5.0 V8 Supercharged has 150 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) R 5.0 V8 Supercharged: 150 hp (112 kW).

Torque comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)R 5.0 V8 Supercharged	680 Nm 502 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)R 5.0 V8 Supercharged	1,873 kg 4,129 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)R 5.0 V8 Supercharged	Unrestricted 295 km/h183 mph Restricted 280 km/h174 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)R 5.0 V8 Supercharged	4.6 s
JaguarXJ (X350)4.2 V8 32V L Super	5.3 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) R 5.0 V8 Supercharged and Jaguar XJ (X350) 4.2 V8 32V L Super: 0.7 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)R 5.0 V8 Supercharged	294 hp/t 219 kW/t 3.4 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)R 5.0 V8 Supercharged	550 hp 410 kW	4.6 s	Unrestricted 295 km/h183 mph Restricted 280 km/h174 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

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)R 5.0 V8 Supercharged

Power	550 hp 410 kW
0-100 km/h	4.6 s
Top speed Unrestricted 295 km/h183 mph Restricted 280 km/h174 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 L Super

Power	400 hp 298 kW
0-100 km/h	5.3 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	470 L 16.6 cu ft
Length	5,215 mm 205.3 in
Height	1,448 mm 57.0 in

Detailed score breakdown

Vehicle

JaguarXJ (X351)R 5.0 V8 Supercharged

JaguarXJ (X350)4.2 V8 32V L Super

Power

550 hp

410 kW

400 hp

298 kW

Torque

680 Nm

502 lb-ft

541 Nm

399 lb-ft

Acceleration

4.6 s

5.3 s

Top speed

Unrestricted

295 km/h183 mph

Restricted

280 km/h174 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,873 kg

4,129 lb

1,690 kg

3,726 lb

Fuel consumption

11.6 L/100 km

20.3 mpg US

24.4 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	5,215 mm 205.3 in
Height	1,448 mm 57.0 in

Range score

707 km

439 mi

Trunk score

520 L

18.4 cu ft

470 L

16.6 cu ft

Power-to-weight score

294 hp/t

219 kW/t

3.4 kg/hp

237 hp/t

176 kW/t

4.2 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 (X351) R 5.0 V8 Supercharged
Consumption	11.6 L/100 km20.3 mpg US24.4 mpg UK
Cost / 100 km	20.30 LC100 km
Cost / 100 mi	32.67 LC100 mi
Annual fuel used	1,740 L460 US gal383 UK gal
Annual fuel cost	3,045 LC/year