Car comparison

Jaguar XJ (X351) · Facelift 2015 3.0 V6vsJaguar XJ (X300) 6.0 V12 Classic

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

New comparison

Jaguar XJ (X351) · Facelift 2015

3.0 V6

340 hp2995 ccGasolineRWDAutomaticSuperchargedSedan2015-2018

Jaguar XJ (X300)

6.0 V12 Classic

311 hp5993 ccGasolineRWDAutomaticNaturally aspiratedSedan1994-1997

Comparison overview

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

Jaguar XJ (X351) Facelift 2015 3.0 V6

Quickest 0-100 km/h
5.9 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
340 hp
254 kW
Lightest
1,765 kg
3,891 lb
Best power-to-weight
193 hp/t
144 kW/t
5.2 kg/hp
Lowest combined fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Best estimated range
879 km
546 mi
Best overall score
71/100
Best performance score
67/100
Best economy score
82/100
Best practicality score
78/100

Jaguar XJ (X300) 6.0 V12 Classic

Highest torque
475 Nm
350 lb-ft

Specification comparison

Specification comparison
Model	JaguarXJ (X351)Facelift 20153.0 V6	JaguarXJ (X300)6.0 V12 Classic
Power	340hp254kW	311hp232kW
Torque	450Nm332lb-ft	475Nm350lb-ft
Curb weight	1,765kg3,891lb	1,975kg4,354lb
Gross weight	-	2,395kg5,280lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	254 km/h 158 mph
To 99% top speed	62.9s99% target: 262 km/h / 163 mph Calculated	73.2s99% target: 251 km/h / 156 mph Calculated
0-100 km/h	5.9s	7.2s
0-200 km/h	18.3s Calculated	23.4s Calculated
0-60 mph	5.6s Calculated	6.9s Calculated
Fuel consumption	9.1L/100 km25.8mpg US31.0mpg UK	15.7L/100 km15mpg US18.0mpg UK
Quarter mile	13.9s Calculated	15.1s Calculated
Power-to-weight	193hp/t144kW/t87hp/1000 lb Calculated	157hp/t117kW/t71hp/1000 lb Calculated
Torque-to-weight	255Nm/t171lb-ft/ton Calculated	241Nm/t161lb-ft/ton Calculated
Estimated range	879km546mi Calculated	548km340mi Calculated
Displacement	2,995cc183cu in	5,993cc366cu in
Length	5,130mm202in	5,023mm198in
Width	1,899mm75in	1,798mm71in
Height	1,460mm57in	1,314mm52in
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	211g/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 3.0 V6Jaguar XJ (X300) 6.0 V12 ClassicPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
JaguarXJ (X351)Facelift 20153.0 V6	6,500 rpm	3,500-5,000 rpm	6,750 rpm
JaguarXJ (X300)6.0 V12 Classic	5,350 rpm	2,850 rpm	5,600 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	JaguarXJ (X351)Facelift 20153.0 V6	JaguarXJ (X300)6.0 V12 Classic
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.6 s	6.9 s
0-100 km/h 0-62 mph	5.9 s	7.2 s
0-200 km/h 0-124 mph	18.3 s	23.4 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited	254 km/h 158 mph
	Drag race simulation
60 ft 18 m	2.5 s	2.7 s
330 ft 101 m	6.3 s	6.8 s
1/8 mile 201 m	9.2 s	10.1 s
1000 ft 305 m	11.8 s	12.8 s
1/4 mile 402 m	13.9 s	15.1 s
Trap speed 1/4 mile 402 m	175 km/h 109 mph	162 km/h 101 mph

Power comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)Facelift 20153.0 V6	340 hp 254 kW
JaguarXJ (X300)6.0 V12 Classic	311 hp 232 kW

Jaguar XJ (X351) Facelift 2015 3.0 V6 has 29 hp more than Jaguar XJ (X300) 6.0 V12 Classic.

The biggest power difference is between Jaguar XJ (X300) 6.0 V12 Classic and Jaguar XJ (X351) Facelift 2015 3.0 V6: 29 hp (22 kW).

Torque comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)Facelift 20153.0 V6	450 Nm 332 lb-ft
JaguarXJ (X300)6.0 V12 Classic	475 Nm 350 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)Facelift 20153.0 V6	1,765 kg 3,891 lb
JaguarXJ (X300)6.0 V12 Classic	1,975 kg 4,354 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)Facelift 20153.0 V6	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
JaguarXJ (X300)6.0 V12 Classic	254 km/h 158 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)Facelift 20153.0 V6	5.9 s
JaguarXJ (X300)6.0 V12 Classic	7.2 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 3.0 V6 and Jaguar XJ (X300) 6.0 V12 Classic: 1.3 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
JaguarXJ (X351)Facelift 20153.0 V6	9.1 L/100 km 25.8 mpg US 31.0 mpg UK
JaguarXJ (X300)6.0 V12 Classic	15.7 L/100 km 15.0 mpg US 18.0 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X351) Facelift 2015 3.0 V6 and Jaguar XJ (X300) 6.0 V12 Classic: 6.6 L/100 km.

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)Facelift 20153.0 V6	193 hp/t 144 kW/t 5.2 kg/hp
JaguarXJ (X300)6.0 V12 Classic	157 hp/t 117 kW/t 6.4 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)Facelift 20153.0 V6	879 km 546 mi
JaguarXJ (X300)6.0 V12 Classic	548 km 340 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
JaguarXJ (X351)Facelift 20153.0 V6	340 hp 254 kW	5.9 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
JaguarXJ (X300)6.0 V12 Classic	311 hp 232 kW	7.2 s	254 km/h 158 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)Facelift 20153.0 V6

Power	340 hp 254 kW
0-100 km/h	5.9 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

JaguarXJ (X300)6.0 V12 Classic

Power	311 hp 232 kW
0-100 km/h	7.2 s
Top speed 254 km/h 158 mph

Doors/seats	4 doors 5 seats
Trunk	430 L 15.2 cu ft
Length	5,023 mm 197.8 in
Height	1,314 mm 51.7 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

JaguarXJ (X351)Facelift 20153.0 V6

Power	340 hp 254 kW
0-100 km/h	5.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

9.1 L/100 km

25.8 mpg US

31.0 mpg UK

JaguarXJ (X300)6.0 V12 Classic

Power	311 hp 232 kW
0-100 km/h	7.2 s
Top speed 254 km/h 158 mph

15.7 L/100 km

15.0 mpg US

18.0 mpg UK

Jaguar XJ (X351) Facelift 2015 3.0 V6 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
JaguarXJ (X351)Facelift 20153.0 V6	9.1 L/100 km 25.8 mpg US 31.0 mpg UK	5.9 s
JaguarXJ (X300)6.0 V12 Classic	15.7 L/100 km 15.0 mpg US 18.0 mpg UK	7.2 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
JaguarXJ (X351)Facelift 20153.0 V6	193 hp/t 144 kW/t 5.2 kg/hp	9.1 L/100 km 25.8 mpg US 31.0 mpg UK
JaguarXJ (X300)6.0 V12 Classic	157 hp/t 117 kW/t 6.4 kg/hp	15.7 L/100 km 15.0 mpg US 18.0 mpg UK

Detailed score breakdown

Vehicle

JaguarXJ (X351)Facelift 20153.0 V6

JaguarXJ (X300)6.0 V12 Classic

Power

340 hp

254 kW

311 hp

232 kW

Torque

450 Nm

332 lb-ft

475 Nm

350 lb-ft

Acceleration

5.9 s

7.2 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

254 km/h

158 mph

Lightness

1,765 kg

3,891 lb

1,975 kg

4,354 lb

Fuel consumption

9.1 L/100 km

25.8 mpg US

31.0 mpg UK

15.7 L/100 km

15.0 mpg US

18.0 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	1,314 mm 51.7 in

Range score

879 km

546 mi

548 km

340 mi

CO2 score

211 g/km

Trunk score

430 L

15.2 cu ft

Power-to-weight score

193 hp/t

144 kW/t

5.2 kg/hp

157 hp/t

117 kW/t

6.4 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) Facelift 2015 3.0 V6	Jaguar XJ (X300) 6.0 V12 Classic
Consumption	9.1 L/100 km25.8 mpg US31 mpg UK	15.7 L/100 km15 mpg US18 mpg UK
Cost / 100 km	15.92 LC100 km	27.47 LC100 km
Cost / 100 mi	25.63 LC100 mi	44.22 LC100 mi
Annual fuel used	1,365 L361 US gal300 UK gal	2,355 L622 US gal518 UK gal
Annual fuel cost	2,389 LC/year	4,121 LC/year