Car comparison

Jaguar XJ (X351) 5.0 V8vsJaguar XJ (X300) 6.0 V12 Lang

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

New comparison

Jaguar XJ (X351)

5.0 V8

385 hp5000 ccGasolineRWDAutomaticNaturally aspiratedSedan2009-2012
VS

Jaguar XJ (X300)

6.0 V12 Lang

311 hp5993 ccGasolineRWDAutomaticNaturally aspiratedSedan1994-1997

Comparison overview

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

Best choices

Jaguar XJ (X351) 5.0 V8

  • Quickest 0-100 km/h
    5.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    385 hp
    287 kW
  • Highest torque
    515 Nm
    380 lb-ft
  • Lightest
    1,755 kg
    3,869 lb
  • Best power-to-weight
    219 hp/t
    164 kW/t
    4.6 kg/hp
  • Lowest combined fuel consumption
    11.3 L/100 km
    20.8 mpg US
    25.0 mpg UK
  • Best estimated range
    726 km
    451 mi
  • Largest trunk
    520 L
  • Best overall score
    73/100
  • Best performance score
    71/100
  • Best economy score
    77/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)5.0 V8JaguarXJ (X300)6.0 V12 Lang
Power
385hp287kW
311hp232kW
Torque
515Nm380lb-ft
475Nm350lb-ft
Curb weight
1,755kg3,869lb
1,975kg4,354lb
Gross weight
2,300kg5,071lb
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
58.2s99% target: 262 km/h / 163 mph
Calculated
73.2s99% target: 251 km/h / 156 mph
Calculated
0-100 km/h
5.7s
7.2s
0-200 km/h
17.3s
Calculated
23.4s
Calculated
0-60 mph
5.5s
Calculated
6.9s
Calculated
Fuel consumption
11.3L/100 km20.8mpg US25.0mpg UK
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption city
17L/100 km13.8mpg US16.6mpg UK
-
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
-
Quarter mile
13.6s
Calculated
15.1s
Calculated
Power-to-weight
219hp/t164kW/t100hp/1000 lb
Calculated
157hp/t117kW/t71hp/1000 lb
Calculated
Torque-to-weight
293Nm/t196lb-ft/ton
Calculated
241Nm/t161lb-ft/ton
Calculated
Estimated range
726km451mi
Calculated
548km340mi
Calculated
Displacement
5,000cc305cu in
5,993cc366cu in
Length
5,127mm202in
5,149mm203in
Width
1,894mm75in
1,798mm71in
Height
1,457mm57in
1,314mm52in
Wheelbase
3,032mm119in
2,995mm118in
Front track
1,626mm64in
1,500mm59in
Rear track
1,604mm63in
1,498mm59in
Trunk volume
520L
430L
Doors
4
4
Seats
5
5
Fuel tank
82L
86L

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 V8Jaguar XJ (X300) 6.0 V12 LangPowerTorque
  • Jaguar XJ (X351) 5.0 V8: Power / Torque
  • Jaguar XJ (X300) 6.0 V12 Lang: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X351)5.0 V86,500 rpm6,500 rpm6,750 rpm
JaguarXJ (X300)6.0 V12 Lang5,350 rpm2,850 rpm5,600 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X351)5.0 V8JaguarXJ (X300)6.0 V12 Lang
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
6.9 s
0-100 km/h
0-62 mph
5.7 s
7.2 s
0-200 km/h
0-124 mph
17.3 s
23.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
254 km/h
158 mph
Drag race simulation
60 ft
18 m
2.5 s
2.7 s
330 ft
101 m
6.2 s
6.8 s
1/8 mile
201 m
9.1 s
10.1 s
1000 ft
305 m
11.6 s
12.8 s
1/4 mile
402 m
13.6 s
15.1 s
Trap speed
1/4 mile
402 m
178 km/h
111 mph
162 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8
385 hp
287 kW
JaguarXJ (X300)6.0 V12 Lang
311 hp
232 kW

Jaguar XJ (X351) 5.0 V8 has 74 hp more than Jaguar XJ (X300) 6.0 V12 Lang.

The biggest power difference is between Jaguar XJ (X300) 6.0 V12 Lang and Jaguar XJ (X351) 5.0 V8: 74 hp (55 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)5.0 V8
515 Nm
380 lb-ft
JaguarXJ (X300)6.0 V12 Lang
475 Nm
350 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
1,755 kg
3,869 lb
JaguarXJ (X300)6.0 V12 Lang
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
VehicleValue
JaguarXJ (X351)5.0 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXJ (X300)6.0 V12 Lang
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
VehicleValue
JaguarXJ (X351)5.0 V85.7 s
JaguarXJ (X300)6.0 V12 Lang7.2 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) 5.0 V8 and Jaguar XJ (X300) 6.0 V12 Lang: 1.5 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)5.0 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
JaguarXJ (X300)6.0 V12 Lang
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X351) 5.0 V8 and Jaguar XJ (X300) 6.0 V12 Lang: 4.4 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)5.0 V8
219 hp/t
164 kW/t
4.6 kg/hp
JaguarXJ (X300)6.0 V12 Lang
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
VehicleValue
JaguarXJ (X351)5.0 V8
726 km
451 mi
JaguarXJ (X300)6.0 V12 Lang
548 km
340 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X351)5.0 V8
385 hp
287 kW
5.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXJ (X300)6.0 V12 Lang
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.

Chart data table
VehiclePerformance scorePracticality score
JaguarXJ (X351)5.0 V8
Power
385 hp
287 kW
0-100 km/h5.7 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
5,127 mm
201.9 in
Height
1,457 mm
57.4 in
JaguarXJ (X300)6.0 V12 Lang
Power
311 hp
232 kW
0-100 km/h7.2 s
Top speed
254 km/h
158 mph
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,149 mm
202.7 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.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
JaguarXJ (X351)5.0 V8
Power
385 hp
287 kW
0-100 km/h5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
JaguarXJ (X300)6.0 V12 Lang
Power
311 hp
232 kW
0-100 km/h7.2 s
Top speed
254 km/h
158 mph
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

Jaguar XJ (X351) 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)5.0 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
5.7 s
JaguarXJ (X300)6.0 V12 Lang
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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
JaguarXJ (X351)5.0 V8
219 hp/t
164 kW/t
4.6 kg/hp
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
JaguarXJ (X300)6.0 V12 Lang
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

Detailed score breakdown
VehicleJaguarXJ (X351)5.0 V8JaguarXJ (X300)6.0 V12 Lang
Power
385 hp
287 kW
311 hp
232 kW
Torque
515 Nm
380 lb-ft
475 Nm
350 lb-ft
Acceleration
5.7 s
7.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
254 km/h
158 mph
Lightness
1,755 kg
3,869 lb
1,975 kg
4,354 lb
Fuel consumption
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,127 mm
201.9 in
Height
1,457 mm
57.4 in
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,149 mm
202.7 in
Height
1,314 mm
51.7 in
Range score
726 km
451 mi
548 km
340 mi
Trunk score
520 L
18.4 cu ft
430 L
15.2 cu ft
Power-to-weight score
219 hp/t
164 kW/t
4.6 kg/hp
157 hp/t
117 kW/t
6.4 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 V8Jaguar XJ (X300) 6.0 V12 Lang
Consumption11.3 L/100 km20.8 mpg US25 mpg UK15.7 L/100 km15 mpg US18 mpg UK
Cost / 100 km19.78 LC100 km27.47 LC100 km
Cost / 100 mi31.82 LC100 mi44.22 LC100 mi
Annual fuel used1,695 L448 US gal373 UK gal2,355 L622 US gal518 UK gal
Annual fuel cost2,966 LC/year4,121 LC/year

Head-to-head comparisons

Jaguar XJ (X351) 5.0 V8

  • Has 74 hp more
  • Has 40 Nm more
  • Is 220 kg lighter
  • Is 1.5 s quicker from 0-100 km/h
  • Has 11 km/h (7 mph) higher top speed
  • Uses 4.4 L/100 km less fuel
  • Has 62 hp/t better power-to-weight
  • Has 178 km (111 mi) more estimated range
  • Has 90 L more trunk volume

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
  • Largest trunk

Jaguar XJ (X300) 6.0 V12 Lang

No measurable advantages in the available data.

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) 5.0 V8
Jaguar XJ (X300) 6.0 V12 Lang
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