Car comparison

Jaguar XJ (X351) · Facelift 2015 R 5.0 V8vsBentley Flying Spur II · Facelift 2015 S 4.0 V8

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

Bentley Flying Spur II · Facelift 2015

S 4.0 V8

528 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2016-2019

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
  • Best overall score
    85/100
  • Best performance score
    88/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)Facelift 2015R 5.0 V8BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
575hp429kW
528hp394kW
Torque
700Nm516lb-ft
680Nm502lb-ft
Curb weight
1,875kg4,134lb
2,417kg5,329lb
Gross weight-
2,972kg6,552lb
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Calculated
306 km/h
190 mph
To 99% top speed
49.5s99% target: 312 km/h / 194 mph
Calculated
59.5s99% target: 303 km/h / 188 mph
Calculated
0-100 km/h
4.4s
4.9s
0-200 km/h
11.3s
Calculated
13.4s
Calculated
0-60 mph
4.2s
Calculated
4.7s
Calculated
Fuel consumption
11.1L/100 km21.2mpg US25.4mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption city-
15.9L/100 km14.8mpg US17.8mpg UK
Fuel consumption highway-
8L/100 km29.4mpg US35.3mpg UK
Quarter mile
12.0s
Calculated
12.7s
Calculated
Power-to-weight
307hp/t229kW/t139hp/1000 lb
Calculated
218hp/t163kW/t99hp/1000 lb
Calculated
Torque-to-weight
373Nm/t250lb-ft/ton
Calculated
281Nm/t188lb-ft/ton
Calculated
Estimated range
721km448mi
Calculated
826km513mi
Calculated
Displacement
5,000cc305cu in
3,993cc244cu in
Length
5,130mm202in
5,299mm209in
Width
1,899mm75in
-
Height
1,460mm57in
1,488mm59in
Wheelbase
3,032mm119in
3,066mm121in
Front track
1,626mm64in
-
Rear track
1,604mm63in
-
Trunk volume-
475L
Doors
4
4
Seats
5
4
Fuel tank
80L
90L
CO2 emissions
264g/km
254g/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 V8Bentley Flying Spur II Facelift 2015 S 4.0 V8PowerTorque
  • Jaguar XJ (X351) Facelift 2015 R 5.0 V8: Power / Torque
  • Bentley Flying Spur II Facelift 2015 S 4.0 V8: 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
BentleyFlying Spur IIFacelift 2015S 4.0 V86,000 rpm1,700 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X351)Facelift 2015R 5.0 V8BentleyFlying Spur IIFacelift 2015S 4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.7 s
0-100 km/h
0-62 mph
4.4 s
4.9 s
0-200 km/h
0-124 mph
11.3 s
13.4 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Likely limited
306 km/h
190 mph
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
5.6 s
5.8 s
1/8 mile
201 m
8.1 s
8.5 s
1000 ft
305 m
10.3 s
10.8 s
1/4 mile
402 m
12.0 s
12.7 s
Trap speed
1/4 mile
402 m
207 km/h
129 mph
194 km/h
121 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
528 hp
394 kW

Jaguar XJ (X351) Facelift 2015 R 5.0 V8 has 47 hp more than Bentley Flying Spur II Facelift 2015 S 4.0 V8.

The biggest power difference is between Bentley Flying Spur II Facelift 2015 S 4.0 V8 and Jaguar XJ (X351) Facelift 2015 R 5.0 V8: 47 hp (35 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
680 Nm
502 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
2,417 kg
5,329 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
306 km/h
190 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
BentleyFlying Spur IIFacelift 2015S 4.0 V84.9 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Bentley Flying Spur II Facelift 2015 S 4.0 V8: 0.5 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
218 hp/t
163 kW/t
4.6 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
826 km
513 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
528 hp
394 kW
4.9 s
306 km/h
190 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
528 hp
394 kW
0-100 km/h4.9 s
Top speed
306 km/h
190 mph
Doors/seats
4 doors
4 seats
Trunk
475 L
16.8 cu ft
Length
5,299 mm
208.6 in
Height
1,488 mm
58.6 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)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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
528 hp
394 kW
0-100 km/h4.9 s
Top speed
306 km/h
190 mph
10.9 L/100 km
21.6 mpg US
25.9 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
4.9 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
BentleyFlying Spur IIFacelift 2015S 4.0 V8
218 hp/t
163 kW/t
4.6 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X351)Facelift 2015R 5.0 V8BentleyFlying Spur IIFacelift 2015S 4.0 V8
Power
575 hp
429 kW
528 hp
394 kW
Torque
700 Nm
516 lb-ft
680 Nm
502 lb-ft
Acceleration
4.4 s
4.9 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
306 km/h
190 mph
Lightness
1,875 kg
4,134 lb
2,417 kg
5,329 lb
Fuel consumption
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
10.9 L/100 km
21.6 mpg US
25.9 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
4 seats
Trunk
475 L
16.8 cu ft
Length
5,299 mm
208.6 in
Height
1,488 mm
58.6 in
Range score
721 km
448 mi
826 km
513 mi
CO2 score
264 g/km
254 g/km
Trunk score
-
475 L
16.8 cu ft
Power-to-weight score
307 hp/t
229 kW/t
3.3 kg/hp
218 hp/t
163 kW/t
4.6 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 V8Bentley Flying Spur II Facelift 2015 S 4.0 V8
Consumption11.1 L/100 km21.2 mpg US25.4 mpg UK10.9 L/100 km21.6 mpg US25.9 mpg UK
Cost / 100 km19.43 LC100 km19.08 LC100 km
Cost / 100 mi31.26 LC100 mi30.70 LC100 mi
Annual fuel used1,665 L440 US gal366 UK gal1,635 L432 US gal360 UK gal
Annual fuel cost2,914 LC/year2,861 LC/year

Head-to-head comparisons

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Has 47 hp more
  • Has 20 Nm more
  • Is 542 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 9 km/h (6 mph) higher top speed
  • Has 88 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

Bentley Flying Spur II Facelift 2015 S 4.0 V8

  • Uses 0.2 L/100 km less fuel
  • Has 105 km (65 mi) more estimated range
  • Emits 10 g/km less CO2

Pros

  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) R 5.0 V8
Bentley Flying Spur II S 4.0 V8
Compare selected cars
2 vehicles selected

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Jaguar XJ (X351) · Facelift 2015 R 5.0 V8 vs Bentley Flying Spur II · Facelift 2015 S 4.0 V8 - car comparison - FastVsFaster