Car comparison

Jaguar XJ (X351) · Facelift 2015 R 5.0 V8vsJaguar XJ (X300) R 4.0 24V Sport

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

New comparison

Jaguar XJ (X351) · Facelift 2015

R 5.0 V8

575 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2017-2018
VS

Jaguar XJ (X300)

R 4.0 24V Sport

320 hp3980 ccGasolineRWDAutomaticSuperchargedSedan1994-1997

Comparison overview

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

Best choices

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    315 km/h
    196 mph Unrestricted
    300 km/h
    186 mph Restricted
  • Most powerful
    575 hp
    429 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,875 kg
    4,134 lb
  • Best power-to-weight
    307 hp/t
    229 kW/t
    3.3 kg/hp
  • Lowest combined fuel consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Best estimated range
    721 km
    448 mi
  • Best overall score
    85/100
  • Best performance score
    88/100
  • Best economy score
    77/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)Facelift 2015R 5.0 V8JaguarXJ (X300)R 4.0 24V Sport
Power
575hp429kW
320hp239kW
Torque
700Nm516lb-ft
512Nm378lb-ft
Curb weight
1,875kg4,134lb
1,875kg4,134lb
Gross weight-
2,295kg5,060lb
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
49.5s99% target: 312 km/h / 194 mph
Calculated
65.8s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.4s
6.3s
0-200 km/h
11.3s
Calculated
19.3s
Calculated
0-60 mph
4.2s
Calculated
6.0s
Calculated
Fuel consumption
11.1L/100 km21.2mpg US25.4mpg UK
12.5L/100 km18.8mpg US22.6mpg UK
Quarter mile
12.0s
Calculated
14.2s
Calculated
Power-to-weight
307hp/t229kW/t139hp/1000 lb
Calculated
171hp/t127kW/t77hp/1000 lb
Calculated
Torque-to-weight
373Nm/t250lb-ft/ton
Calculated
273Nm/t183lb-ft/ton
Calculated
Estimated range
721km448mi
Calculated
688km428mi
Calculated
Displacement
5,000cc305cu in
3,980cc243cu in
Length
5,130mm202in
5,023mm198in
Width
1,899mm75in
1,798mm71in
Height
1,460mm57in
1,303mm51in
Wheelbase
3,032mm119in
2,870mm113in
Front track
1,626mm64in
1,500mm59in
Rear track
1,604mm63in
1,498mm59in
Trunk volume-
430L
Doors
4
4
Seats
5
5
Fuel tank
80L
86L
CO2 emissions
264g/km
-

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) Facelift 2015 R 5.0 V8Jaguar XJ (X300) R 4.0 24V SportPowerTorque
  • Jaguar XJ (X351) Facelift 2015 R 5.0 V8: Power / Torque
  • Jaguar XJ (X300) R 4.0 24V Sport: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X351)Facelift 2015R 5.0 V86,250-6,500 rpm3,500-4,500 rpm6,750 rpm
JaguarXJ (X300)R 4.0 24V Sport5,000 rpm3,050 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X351)Facelift 2015R 5.0 V8JaguarXJ (X300)R 4.0 24V Sport
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
6.0 s
0-100 km/h
0-62 mph
4.4 s
6.3 s
0-200 km/h
0-124 mph
11.3 s
19.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.6 s
330 ft
101 m
5.6 s
6.5 s
1/8 mile
201 m
8.1 s
9.5 s
1000 ft
305 m
10.3 s
12.1 s
1/4 mile
402 m
12.0 s
14.2 s
Trap speed
1/4 mile
402 m
207 km/h
129 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW
JaguarXJ (X300)R 4.0 24V Sport
320 hp
239 kW

Jaguar XJ (X351) Facelift 2015 R 5.0 V8 has 255 hp more than Jaguar XJ (X300) R 4.0 24V Sport.

The biggest power difference is between Jaguar XJ (X300) R 4.0 24V Sport and Jaguar XJ (X351) Facelift 2015 R 5.0 V8: 255 hp (190 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
700 Nm
516 lb-ft
JaguarXJ (X300)R 4.0 24V Sport
512 Nm
378 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
1,875 kg
4,134 lb
JaguarXJ (X300)R 4.0 24V Sport
1,875 kg
4,134 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)Facelift 2015R 5.0 V8
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
JaguarXJ (X300)R 4.0 24V Sport
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
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V84.4 s
JaguarXJ (X300)R 4.0 24V Sport6.3 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Jaguar XJ (X300) R 4.0 24V Sport: 1.9 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)Facelift 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
JaguarXJ (X300)R 4.0 24V Sport
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Jaguar XJ (X300) R 4.0 24V Sport: 1.4 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)Facelift 2015R 5.0 V8
307 hp/t
229 kW/t
3.3 kg/hp
JaguarXJ (X300)R 4.0 24V Sport
171 hp/t
127 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
721 km
448 mi
JaguarXJ (X300)R 4.0 24V Sport
688 km
428 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW
4.4 s
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
JaguarXJ (X300)R 4.0 24V Sport
320 hp
239 kW
6.3 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.

Chart data table
VehiclePerformance scorePracticality score
JaguarXJ (X351)Facelift 2015R 5.0 V8
Power
575 hp
429 kW
0-100 km/h4.4 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
JaguarXJ (X300)R 4.0 24V Sport
Power
320 hp
239 kW
0-100 km/h6.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,023 mm
197.8 in
Height
1,303 mm
51.3 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)Facelift 2015R 5.0 V8
Power
575 hp
429 kW
0-100 km/h4.4 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
JaguarXJ (X300)R 4.0 24V Sport
Power
320 hp
239 kW
0-100 km/h6.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

Jaguar XJ (X351) Facelift 2015 R 5.0 V8 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)Facelift 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
4.4 s
JaguarXJ (X300)R 4.0 24V Sport
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
6.3 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)Facelift 2015R 5.0 V8
307 hp/t
229 kW/t
3.3 kg/hp
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
JaguarXJ (X300)R 4.0 24V Sport
171 hp/t
127 kW/t
5.9 kg/hp
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X351)Facelift 2015R 5.0 V8JaguarXJ (X300)R 4.0 24V Sport
Power
575 hp
429 kW
320 hp
239 kW
Torque
700 Nm
516 lb-ft
512 Nm
378 lb-ft
Acceleration
4.4 s
6.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,875 kg
4,134 lb
1,875 kg
4,134 lb
Fuel consumption
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,023 mm
197.8 in
Height
1,303 mm
51.3 in
Range score
721 km
448 mi
688 km
428 mi
CO2 score
264 g/km
-
Trunk score
-
430 L
15.2 cu ft
Power-to-weight score
307 hp/t
229 kW/t
3.3 kg/hp
171 hp/t
127 kW/t
5.9 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) Facelift 2015 R 5.0 V8Jaguar XJ (X300) R 4.0 24V Sport
Consumption11.1 L/100 km21.2 mpg US25.4 mpg UK12.5 L/100 km18.8 mpg US22.6 mpg UK
Cost / 100 km19.43 LC100 km21.88 LC100 km
Cost / 100 mi31.26 LC100 mi35.20 LC100 mi
Annual fuel used1,665 L440 US gal366 UK gal1,875 L495 US gal412 UK gal
Annual fuel cost2,914 LC/year3,281 LC/year

Head-to-head comparisons

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Has 255 hp more
  • Has 188 Nm more
  • Is 1.9 s quicker from 0-100 km/h
  • Has 50 km/h (31 mph) higher top speed
  • Uses 1.4 L/100 km less fuel
  • Has 136 hp/t better power-to-weight
  • Has 33 km (20 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Jaguar XJ (X300) R 4.0 24V Sport

No measurable advantages in the available data.

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) R 5.0 V8
Jaguar XJ (X300) R 4.0 24V Sport
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2 vehicles selected

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