Jaguar XJ (X351) · Facelift 2015
Car comparison
Jaguar XJ (X351) · Facelift 2015 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 comparisonJaguar XJ (X300)
R 4.0 24V Sport
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Jaguar XJ (X351) Facelift 2015 5.0 V8
- Quickest 0-100 km/h4.9 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Most powerful510 hp380 kW
- Highest torque625 Nm461 lb-ft
- Lightest1,875 kg4,134 lb
- Best power-to-weight272 hp/t203 kW/t3.7 kg/hp
- Lowest combined fuel consumption11.1 L/100 km21.2 mpg US25.4 mpg UK
- Best estimated range721 km448 mi
- Best overall score80/100
- Best performance score81/100
- Best economy score77/100
- Best practicality score78/100
Specification comparison
| Model | JaguarXJ (X351)Facelift 20155.0 V8 | JaguarXJ (X300)R 4.0 24V Sport |
|---|---|---|
| Power | 510hp380kW | 320hp239kW |
| Torque | 625Nm461lb-ft | 512Nm378lb-ft |
| Curb weight | 1,875kg4,134lb | 1,875kg4,134lb |
| Gross weight | - | 2,295kg5,060lb |
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated |
| To 99% top speed | 46.9s99% target: 262 km/h / 163 mph Calculated | 65.8s99% target: 262 km/h / 163 mph Calculated |
| 0-100 km/h | 4.9s | 6.3s |
| 0-200 km/h | 14.4s Calculated | 19.3s Calculated |
| 0-60 mph | 4.7s Calculated | 6.0s Calculated |
| Fuel consumption | 11.1L/100 km21.2mpg US25.4mpg UK | 12.5L/100 km18.8mpg US22.6mpg UK |
| Quarter mile | 12.8s Calculated | 14.2s Calculated |
| Power-to-weight | 272hp/t203kW/t123hp/1000 lb Calculated | 171hp/t127kW/t77hp/1000 lb Calculated |
| Torque-to-weight | 333Nm/t223lb-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 5.0 V8: Power / Torque
- Jaguar XJ (X300) R 4.0 24V Sport: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | 6,000-6,500 rpm | 2,500-5,500 rpm | 6,750 rpm |
| JaguarXJ (X300)R 4.0 24V Sport | 5,000 rpm | 3,050 rpm | 5,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | JaguarXJ (X351)Facelift 20155.0 V8 | JaguarXJ (X300)R 4.0 24V Sport |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.7 s | 6.0 s |
0-100 km/h 0-62 mph | 4.9 s | 6.3 s |
0-200 km/h 0-124 mph | 14.4 s | 19.3 s |
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited |
| Drag race simulation | ||
60 ft 18 m | 2.4 s | 2.6 s |
330 ft 101 m | 5.8 s | 6.5 s |
1/8 mile 201 m | 8.5 s | 9.5 s |
1000 ft 305 m | 10.9 s | 12.1 s |
1/4 mile 402 m | 12.8 s | 14.2 s |
Trap speed 1/4 mile 402 m | 189 km/h 117 mph | 172 km/h 107 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | 510 hp 380 kW |
| JaguarXJ (X300)R 4.0 24V Sport | 320 hp 239 kW |
Jaguar XJ (X351) Facelift 2015 5.0 V8 has 190 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 5.0 V8: 190 hp (142 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | 625 Nm 461 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
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 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
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 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
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | 4.9 s |
| JaguarXJ (X300)R 4.0 24V Sport | 6.3 s |
The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 5.0 V8 and Jaguar XJ (X300) R 4.0 24V Sport: 1.4 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 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 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
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | 272 hp/t 203 kW/t 3.7 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
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20155.0 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.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | 510 hp 380 kW | 4.9 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 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.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 |
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| JaguarXJ (X300)R 4.0 24V Sport |
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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 20155.0 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 | ||||||
Jaguar XJ (X351) Facelift 2015 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| JaguarXJ (X351)Facelift 20155.0 V8 | 11.1 L/100 km 21.2 mpg US 25.4 mpg UK | 4.9 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.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| 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 |
| 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
| Vehicle | JaguarXJ (X351)Facelift 20155.0 V8 | JaguarXJ (X300)R 4.0 24V Sport | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 510 hp 380 kW | 320 hp 239 kW | ||||||||||||||||
| Torque | 625 Nm 461 lb-ft | 512 Nm 378 lb-ft | ||||||||||||||||
| Acceleration | 4.9 s | 6.3 s | ||||||||||||||||
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 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 |
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| 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 | 272 hp/t 203 kW/t 3.7 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
| Vehicle | Jaguar XJ (X351) Facelift 2015 5.0 V8 | Jaguar XJ (X300) R 4.0 24V Sport |
|---|---|---|
| Consumption | 11.1 L/100 km21.2 mpg US25.4 mpg UK | 12.5 L/100 km18.8 mpg US22.6 mpg UK |
| Cost / 100 km | 19.43 LC100 km | 21.88 LC100 km |
| Cost / 100 mi | 31.26 LC100 mi | 35.20 LC100 mi |
| Annual fuel used | 1,665 L440 US gal366 UK gal | 1,875 L495 US gal412 UK gal |
| Annual fuel cost | 2,914 LC/year | 3,281 LC/year |
Head-to-head comparisons
Jaguar XJ (X351) Facelift 2015 5.0 V8
- Has 190 hp more
- Has 113 Nm more
- Is 1.4 s quicker from 0-100 km/h
- Uses 1.4 L/100 km less fuel
- Has 101 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
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