Car comparison

Bentley Flying Spur II · Facelift 2015 4.0 V8vsJaguar XJ (X351) · Facelift 2015 5.0 V8

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

New comparison

Bentley Flying Spur II · Facelift 2015

4.0 V8

507 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2015-2019

Jaguar XJ (X351) · Facelift 2015

5.0 V8

510 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2015-2018

Comparison overview

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

Bentley Flying Spur II Facelift 2015 4.0 V8

Fastest top speed
295 km/h
183 mph
Highest torque
660 Nm
487 lb-ft
Lowest combined fuel consumption
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Lowest CO2 emissions
254 g/km
Best estimated range
826 km
513 mi
Best performance score
81/100
Best economy score
78/100

Jaguar XJ (X351) Facelift 2015 5.0 V8

Quickest 0-100 km/h
4.9 s
Most powerful
510 hp
380 kW
Lightest
1,875 kg
4,134 lb
Best power-to-weight
272 hp/t
203 kW/t
3.7 kg/hp
Best overall score
80/100
Best practicality score
78/100

Specification comparison

Specification comparison
Model	BentleyFlying Spur IIFacelift 20154.0 V8	JaguarXJ (X351)Facelift 20155.0 V8
Power	507hp378kW	510hp380kW
Torque	660Nm487lb-ft	625Nm461lb-ft
Curb weight	2,425kg5,346lb	1,875kg4,134lb
Gross weight	2,972kg6,552lb	-
Top speed	295 km/h 183 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	64.3s99% target: 292 km/h / 181 mph Calculated	46.9s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	5.2s	4.9s
0-200 km/h	14.9s Calculated	14.4s Calculated
0-60 mph	5.0s Calculated	4.7s Calculated
Fuel consumption	10.9L/100 km21.6mpg US25.9mpg UK	11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption city	15.9L/100 km14.8mpg US17.8mpg UK	-
Fuel consumption highway	8L/100 km29.4mpg US35.3mpg UK	-
Quarter mile	13.1s Calculated	12.8s Calculated
Power-to-weight	209hp/t156kW/t95hp/1000 lb Calculated	272hp/t203kW/t123hp/1000 lb Calculated
Torque-to-weight	272Nm/t182lb-ft/ton Calculated	333Nm/t223lb-ft/ton Calculated
Estimated range	826km513mi Calculated	721km448mi Calculated
Displacement	3,993cc244cu in	5,000cc305cu in
Length	5,299mm209in	5,130mm202in
Width	1,976mm78in	1,899mm75in
Height	1,488mm59in	1,460mm57in
Wheelbase	3,066mm121in	3,032mm119in
Front track	1,643mm65in	1,626mm64in
Rear track	1,642mm65in	1,604mm63in
Trunk volume	442L	-
Doors	4	4
Seats	4	5
Fuel tank	90L	80L
CO2 emissions	254g/km	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.

Bentley Flying Spur II Facelift 2015 4.0 V8Jaguar XJ (X351) Facelift 2015 5.0 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BentleyFlying Spur IIFacelift 20154.0 V8	6,000 rpm	1,700 rpm	6,250 rpm
JaguarXJ (X351)Facelift 20155.0 V8	6,000-6,500 rpm	2,500-5,500 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BentleyFlying Spur IIFacelift 20154.0 V8	JaguarXJ (X351)Facelift 20155.0 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.0 s	4.7 s
0-100 km/h 0-62 mph	5.2 s	4.9 s
0-200 km/h 0-124 mph	14.9 s	14.4 s
Top speed	295 km/h 183 mph	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	6.0 s	5.8 s
1/8 mile 201 m	8.7 s	8.5 s
1000 ft 305 m	11.1 s	10.9 s
1/4 mile 402 m	13.1 s	12.8 s
Trap speed 1/4 mile 402 m	187 km/h 116 mph	189 km/h 117 mph

Power comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur IIFacelift 20154.0 V8	507 hp 378 kW
JaguarXJ (X351)Facelift 20155.0 V8	510 hp 380 kW

Jaguar XJ (X351) Facelift 2015 5.0 V8 has 3 hp more than Bentley Flying Spur II Facelift 2015 4.0 V8.

The biggest power difference is between Bentley Flying Spur II Facelift 2015 4.0 V8 and Jaguar XJ (X351) Facelift 2015 5.0 V8: 3 hp (2 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur IIFacelift 20154.0 V8	660 Nm 487 lb-ft
JaguarXJ (X351)Facelift 20155.0 V8	625 Nm 461 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur IIFacelift 20154.0 V8	2,425 kg 5,346 lb
JaguarXJ (X351)Facelift 20155.0 V8	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
Vehicle	Value
BentleyFlying Spur IIFacelift 20154.0 V8	295 km/h 183 mph
JaguarXJ (X351)Facelift 20155.0 V8	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
BentleyFlying Spur IIFacelift 20154.0 V8	5.2 s
JaguarXJ (X351)Facelift 20155.0 V8	4.9 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 5.0 V8 and Bentley Flying Spur II Facelift 2015 4.0 V8: 0.3 s.

Fuel consumption comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur IIFacelift 20154.0 V8	10.9 L/100 km 21.6 mpg US 25.9 mpg UK
JaguarXJ (X351)Facelift 20155.0 V8	11.1 L/100 km 21.2 mpg US 25.4 mpg UK

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur IIFacelift 20154.0 V8	209 hp/t 156 kW/t 4.8 kg/hp
JaguarXJ (X351)Facelift 20155.0 V8	272 hp/t 203 kW/t 3.7 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BentleyFlying Spur IIFacelift 20154.0 V8	826 km 513 mi
JaguarXJ (X351)Facelift 20155.0 V8	721 km 448 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BentleyFlying Spur IIFacelift 20154.0 V8	507 hp 378 kW	5.2 s	295 km/h 183 mph
JaguarXJ (X351)Facelift 20155.0 V8	510 hp 380 kW	4.9 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

BentleyFlying Spur IIFacelift 20154.0 V8

Power	507 hp 378 kW
0-100 km/h	5.2 s
Top speed 295 km/h 183 mph

Doors/seats	4 doors 4 seats
Trunk	442 L 15.6 cu ft
Length	5,299 mm 208.6 in
Height	1,488 mm 58.6 in

JaguarXJ (X351)Facelift 20155.0 V8

Power	510 hp 380 kW
0-100 km/h	4.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	-
Length	5,130 mm 202.0 in
Height	1,460 mm 57.5 in

Performance vs fuel economy

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

Vehicle

Performance score

Fuel economy score

BentleyFlying Spur IIFacelift 20154.0 V8

Power	507 hp 378 kW
0-100 km/h	5.2 s
Top speed 295 km/h 183 mph

10.9 L/100 km

21.6 mpg US

25.9 mpg UK

JaguarXJ (X351)Facelift 20155.0 V8

Power	510 hp 380 kW
0-100 km/h	4.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

11.1 L/100 km

21.2 mpg US

25.4 mpg UK

Bentley Flying Spur II Facelift 2015 4.0 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BentleyFlying Spur IIFacelift 20154.0 V8	10.9 L/100 km 21.6 mpg US 25.9 mpg UK	5.2 s
JaguarXJ (X351)Facelift 20155.0 V8	11.1 L/100 km 21.2 mpg US 25.4 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BentleyFlying Spur IIFacelift 20154.0 V8	209 hp/t 156 kW/t 4.8 kg/hp	10.9 L/100 km 21.6 mpg US 25.9 mpg UK
JaguarXJ (X351)Facelift 20155.0 V8	272 hp/t 203 kW/t 3.7 kg/hp	11.1 L/100 km 21.2 mpg US 25.4 mpg UK

Detailed score breakdown

Vehicle

BentleyFlying Spur IIFacelift 20154.0 V8

JaguarXJ (X351)Facelift 20155.0 V8

Power

507 hp

378 kW

510 hp

380 kW

Torque

660 Nm

487 lb-ft

625 Nm

461 lb-ft

Acceleration

5.2 s

4.9 s

Top speed

295 km/h

183 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

2,425 kg

5,346 lb

1,875 kg

4,134 lb

Fuel consumption

10.9 L/100 km

21.6 mpg US

25.9 mpg UK

11.1 L/100 km

21.2 mpg US

25.4 mpg UK

Practicality

Doors/seats	4 doors 4 seats
Trunk	442 L 15.6 cu ft
Length	5,299 mm 208.6 in
Height	1,488 mm 58.6 in

Doors/seats	4 doors 5 seats
Trunk	-
Length	5,130 mm 202.0 in
Height	1,460 mm 57.5 in

Range score

826 km

513 mi

721 km

448 mi

CO2 score

254 g/km

264 g/km

Trunk score

442 L

15.6 cu ft

Power-to-weight score

209 hp/t

156 kW/t

4.8 kg/hp

272 hp/t

203 kW/t

3.7 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	Bentley Flying Spur II Facelift 2015 4.0 V8	Jaguar XJ (X351) Facelift 2015 5.0 V8
Consumption	10.9 L/100 km21.6 mpg US25.9 mpg UK	11.1 L/100 km21.2 mpg US25.4 mpg UK
Cost / 100 km	19.08 LC100 km	19.43 LC100 km
Cost / 100 mi	30.70 LC100 mi	31.26 LC100 mi
Annual fuel used	1,635 L432 US gal360 UK gal	1,665 L440 US gal366 UK gal
Annual fuel cost	2,861 LC/year	2,914 LC/year