Car comparison

Jaguar XJ (X351) 5.0 V8 SuperchargedvsJaguar XJ Sovereign (X358) 4.2 V8

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

New comparison
VS

Jaguar XJ Sovereign (X358)

4.2 V8

298 hp4196 ccGasolineRWDAutomaticNaturally aspiratedSedan2007-2009

Comparison overview

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

Best choices

Jaguar XJ (X351) 5.0 V8 Supercharged

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    510 hp
    380 kW
  • Highest torque
    625 Nm
    461 lb-ft
  • Best power-to-weight
    270 hp/t
    201 kW/t
    3.7 kg/hp
  • Largest trunk
    520 L
  • Best overall score
    79/100
  • Best performance score
    80/100
  • Best practicality score
    77/100

Jaguar XJ Sovereign (X358) 4.2 V8

  • Lightest
    1,609 kg
    3,547 lb
  • Lowest combined fuel consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest city consumption
    16.7 L/100 km
    14.1 mpg US
    16.9 mpg UK
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best estimated range
    746 km
    463 mi
  • Best economy score
    76/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)5.0 V8 SuperchargedJaguarXJ Sovereign (X358)4.2 V8
Power
510hp380kW
298hp222kW
Torque
625Nm461lb-ft
411Nm303lb-ft
Curb weight
1,892kg4,171lb
1,609kg3,547lb
Gross weight
2,365kg5,214lb
2,246kg4,952lb
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
47.0s99% target: 262 km/h / 163 mph
Calculated
68.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.9s
6.6s
0-200 km/h
14.4s
Calculated
20.8s
Calculated
0-60 mph
4.7s
Calculated
6.3s
Calculated
Fuel consumption
12.1L/100 km19.4mpg US23.3mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city
18.3L/100 km12.9mpg US15.4mpg UK
16.7L/100 km14.1mpg US16.9mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
12.8s
Calculated
14.5s
Calculated
Power-to-weight
270hp/t201kW/t122hp/1000 lb
Calculated
185hp/t138kW/t84hp/1000 lb
Calculated
Torque-to-weight
330Nm/t221lb-ft/ton
Calculated
255Nm/t171lb-ft/ton
Calculated
Estimated range
678km421mi
Calculated
746km463mi
Calculated
Displacement
5,000cc305cu in
4,196cc256cu in
Length
5,122mm202in
5,216mm205in
Width
1,894mm75in
1,860mm73in
Height
1,457mm57in
1,463mm58in
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 Sovereign (X358) 4.2 V8PowerTorque
  • Jaguar XJ (X351) 5.0 V8 Supercharged: Power / Torque
  • Jaguar XJ Sovereign (X358) 4.2 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X351)5.0 V8 Supercharged6,000-6,500 rpm2,500-5,500 rpm6,750 rpm
JaguarXJ Sovereign (X358)4.2 V86,000 rpm4,100 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X351)5.0 V8 SuperchargedJaguarXJ Sovereign (X358)4.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
6.3 s
0-100 km/h
0-62 mph
4.9 s
6.6 s
0-200 km/h
0-124 mph
14.4 s
20.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.4 s
2.6 s
330 ft
101 m
5.8 s
6.6 s
1/8 mile
201 m
8.5 s
9.7 s
1000 ft
305 m
10.9 s
12.3 s
1/4 mile
402 m
12.8 s
14.5 s
Trap speed
1/4 mile
402 m
189 km/h
117 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged
510 hp
380 kW
JaguarXJ Sovereign (X358)4.2 V8
298 hp
222 kW

Jaguar XJ (X351) 5.0 V8 Supercharged has 212 hp more than Jaguar XJ Sovereign (X358) 4.2 V8.

The biggest power difference is between Jaguar XJ Sovereign (X358) 4.2 V8 and Jaguar XJ (X351) 5.0 V8 Supercharged: 212 hp (158 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged
625 Nm
461 lb-ft
JaguarXJ Sovereign (X358)4.2 V8
411 Nm
303 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged
1,892 kg
4,171 lb
JaguarXJ Sovereign (X358)4.2 V8
1,609 kg
3,547 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXJ Sovereign (X358)4.2 V8
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
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged4.9 s
JaguarXJ Sovereign (X358)4.2 V86.6 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) 5.0 V8 Supercharged and Jaguar XJ Sovereign (X358) 4.2 V8: 1.7 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
JaguarXJ Sovereign (X358)4.2 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

The biggest fuel consumption difference is between Jaguar XJ Sovereign (X358) 4.2 V8 and Jaguar XJ (X351) 5.0 V8 Supercharged: 0.7 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged
270 hp/t
201 kW/t
3.7 kg/hp
JaguarXJ Sovereign (X358)4.2 V8
185 hp/t
138 kW/t
5.4 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8 Supercharged
678 km
421 mi
JaguarXJ Sovereign (X358)4.2 V8
746 km
463 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X351)5.0 V8 Supercharged
510 hp
380 kW
4.9 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXJ Sovereign (X358)4.2 V8
298 hp
222 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.

Chart data table
VehiclePerformance scorePracticality score
JaguarXJ (X351)5.0 V8 Supercharged
Power
510 hp
380 kW
0-100 km/h4.9 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
5,122 mm
201.7 in
Height
1,457 mm
57.4 in
JaguarXJ Sovereign (X358)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.6 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
5,216 mm
205.4 in
Height
1,463 mm
57.6 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
JaguarXJ (X351)5.0 V8 Supercharged
Power
510 hp
380 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
JaguarXJ Sovereign (X358)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Jaguar XJ (X351) 5.0 V8 Supercharged is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
JaguarXJ (X351)5.0 V8 Supercharged
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
4.9 s
JaguarXJ Sovereign (X358)4.2 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
6.6 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
JaguarXJ (X351)5.0 V8 Supercharged
270 hp/t
201 kW/t
3.7 kg/hp
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
JaguarXJ Sovereign (X358)4.2 V8
185 hp/t
138 kW/t
5.4 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X351)5.0 V8 SuperchargedJaguarXJ Sovereign (X358)4.2 V8
Power
510 hp
380 kW
298 hp
222 kW
Torque
625 Nm
461 lb-ft
411 Nm
303 lb-ft
Acceleration
4.9 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
1,892 kg
4,171 lb
1,609 kg
3,547 lb
Fuel consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,122 mm
201.7 in
Height
1,457 mm
57.4 in
Doors/seats
4 doors
5 seats
Trunk
470 L
16.6 cu ft
Length
5,216 mm
205.4 in
Height
1,463 mm
57.6 in
Range score
678 km
421 mi
746 km
463 mi
Trunk score
520 L
18.4 cu ft
470 L
16.6 cu ft
Power-to-weight score
270 hp/t
201 kW/t
3.7 kg/hp
185 hp/t
138 kW/t
5.4 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleJaguar XJ (X351) 5.0 V8 SuperchargedJaguar XJ Sovereign (X358) 4.2 V8
Consumption12.1 L/100 km19.4 mpg US23.3 mpg UK11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km21.18 LC100 km19.95 LC100 km
Cost / 100 mi34.08 LC100 mi32.11 LC100 mi
Annual fuel used1,815 L479 US gal399 UK gal1,710 L452 US gal376 UK gal
Annual fuel cost3,176 LC/year2,993 LC/year

Head-to-head comparisons

Jaguar XJ (X351) 5.0 V8 Supercharged

  • Has 212 hp more
  • Has 214 Nm more
  • Is 1.7 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 84 hp/t better power-to-weight
  • Has 50 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

Jaguar XJ Sovereign (X358) 4.2 V8

  • Is 283 kg lighter
  • Uses 0.7 L/100 km less fuel
  • Has 68 km (42 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) 5.0 V8 Supercharged
Jaguar XJ Sovereign (X358) 4.2 V8
Compare selected cars
2 vehicles selected

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