Jaguar XJ (X351)
Car comparison
Jaguar XJ (X351) R 5.0 V8 SuperchargedvsJaguar XJ (X358) 4.2 V8
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonJaguar XJ (X358)
4.2 V8
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Jaguar XJ (X351) R 5.0 V8 Supercharged
- Quickest 0-100 km/h4.6 s
- Fastest top speed295 km/h183 mph Unrestricted280 km/h174 mph Restricted
- Most powerful550 hp410 kW
- Highest torque680 Nm502 lb-ft
- Best power-to-weight294 hp/t219 kW/t3.4 kg/hp
- Largest trunk520 L
- Best overall score83/100
- Best performance score86/100
- Best economy score76/100
- Best practicality score77/100
Jaguar XJ (X358) 4.2 V8
- Lightest1,603 kg3,534 lb
- Lowest combined fuel consumption11.4 L/100 km20.6 mpg US24.8 mpg UK
- Lowest city consumption16.7 L/100 km14.1 mpg US16.9 mpg UK
- Lowest highway consumption8.4 L/100 km28.0 mpg US33.6 mpg UK
- Best estimated range746 km463 mi
Specification comparison
| Model | JaguarXJ (X351)R 5.0 V8 Supercharged | JaguarXJ (X358)4.2 V8 |
|---|---|---|
| Power | 550hp410kW | 298hp222kW |
| Torque | 680Nm502lb-ft | 411Nm303lb-ft |
| Curb weight | 1,873kg4,129lb | 1,603kg3,534lb |
| Gross weight | 2,400kg5,291lb | 2,223kg4,901lb |
| Top speed | Unrestricted 295 km/h183 mph Restricted 280 km/h174 mph Calculated | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated |
| To 99% top speed | 48.7s99% target: 292 km/h / 181 mph Calculated | 68.0s99% target: 257 km/h / 160 mph Calculated |
| 0-100 km/h | 4.6s | 6.6s |
| 0-200 km/h | 12.3s Calculated | 20.8s Calculated |
| 0-60 mph | 4.4s Calculated | 6.3s Calculated |
| Fuel consumption | 11.6L/100 km20.3mpg US24.4mpg UK | 11.4L/100 km20.6mpg US24.8mpg UK |
| Fuel consumption city | 16.9L/100 km13.9mpg US16.7mpg UK | 16.7L/100 km14.1mpg US16.9mpg UK |
| Fuel consumption highway | 8.6L/100 km27.4mpg US32.8mpg UK | 8.4L/100 km28mpg US33.6mpg UK |
| Quarter mile | 12.3s Calculated | 14.5s Calculated |
| Power-to-weight | 294hp/t219kW/t133hp/1000 lb Calculated | 186hp/t139kW/t84hp/1000 lb Calculated |
| Torque-to-weight | 363Nm/t243lb-ft/ton Calculated | 256Nm/t172lb-ft/ton Calculated |
| Estimated range | 707km439mi Calculated | 746km463mi Calculated |
| Displacement | 5,000cc305cu in | 4,196cc256cu in |
| Length | 5,127mm202in | 5,091mm200in |
| Width | 1,899mm75in | 1,860mm73in |
| Height | 1,457mm57in | 1,462mm58in |
| Wheelbase | 3,032mm119in | 3,034mm119in |
| Front track | 1,626mm64in | 1,556mm61in |
| Rear track | 1,604mm63in | 1,546mm61in |
| Trunk volume | 520L | 470L |
| Doors | 4 | 4 |
| Seats | 5 | 5 |
| Fuel tank | 82L | 85L |
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) R 5.0 V8 Supercharged: Power / Torque
- Jaguar XJ (X358) 4.2 V8: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 6,500 rpm | 2,500-5,500 rpm | 6,750 rpm |
| JaguarXJ (X358)4.2 V8 | 6,000 rpm | 4,100 rpm | 6,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | JaguarXJ (X351)R 5.0 V8 Supercharged | JaguarXJ (X358)4.2 V8 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.4 s | 6.3 s |
0-100 km/h 0-62 mph | 4.6 s | 6.6 s |
0-200 km/h 0-124 mph | 12.3 s | 20.8 s |
| Top speed | Unrestricted 295 km/h183 mph Restricted 280 km/h174 mph Limited | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited |
| Drag race simulation | ||
60 ft 18 m | 2.3 s | 2.6 s |
330 ft 101 m | 5.7 s | 6.6 s |
1/8 mile 201 m | 8.3 s | 9.7 s |
1000 ft 305 m | 10.5 s | 12.3 s |
1/4 mile 402 m | 12.3 s | 14.5 s |
Trap speed 1/4 mile 402 m | 200 km/h 124 mph | 168 km/h 104 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 550 hp 410 kW |
| JaguarXJ (X358)4.2 V8 | 298 hp 222 kW |
Jaguar XJ (X351) R 5.0 V8 Supercharged has 252 hp more than Jaguar XJ (X358) 4.2 V8.
The biggest power difference is between Jaguar XJ (X358) 4.2 V8 and Jaguar XJ (X351) R 5.0 V8 Supercharged: 252 hp (188 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 680 Nm 502 lb-ft |
| JaguarXJ (X358)4.2 V8 | 411 Nm 303 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 1,873 kg 4,129 lb |
| JaguarXJ (X358)4.2 V8 | 1,603 kg 3,534 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | Unrestricted 295 km/h183 mph Restricted 280 km/h174 mph |
| JaguarXJ (X358)4.2 V8 | Unrestricted 260 km/h162 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)R 5.0 V8 Supercharged | 4.6 s |
| JaguarXJ (X358)4.2 V8 | 6.6 s |
The biggest 0-100 km/h difference is between Jaguar XJ (X351) R 5.0 V8 Supercharged and Jaguar XJ (X358) 4.2 V8: 2.0 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 11.6 L/100 km 20.3 mpg US 24.4 mpg UK |
| JaguarXJ (X358)4.2 V8 | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK |
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 294 hp/t 219 kW/t 3.4 kg/hp |
| JaguarXJ (X358)4.2 V8 | 186 hp/t 139 kW/t 5.4 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 707 km 439 mi |
| JaguarXJ (X358)4.2 V8 | 746 km 463 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| JaguarXJ (X351)R 5.0 V8 Supercharged | 550 hp 410 kW | 4.6 s | Unrestricted 295 km/h183 mph Restricted 280 km/h174 mph |
| JaguarXJ (X358)4.2 V8 | 298 hp 222 kW | 6.6 s | Unrestricted 260 km/h162 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)R 5.0 V8 Supercharged |
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| JaguarXJ (X358)4.2 V8 |
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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)R 5.0 V8 Supercharged |
| 11.6 L/100 km 20.3 mpg US 24.4 mpg UK | ||||||
| JaguarXJ (X358)4.2 V8 |
| 11.4 L/100 km 20.6 mpg US 24.8 mpg UK | ||||||
Jaguar XJ (X351) R 5.0 V8 Supercharged 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)R 5.0 V8 Supercharged | 11.6 L/100 km 20.3 mpg US 24.4 mpg UK | 4.6 s |
| JaguarXJ (X358)4.2 V8 | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK | 6.6 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)R 5.0 V8 Supercharged | 294 hp/t 219 kW/t 3.4 kg/hp | 11.6 L/100 km 20.3 mpg US 24.4 mpg UK |
| JaguarXJ (X358)4.2 V8 | 186 hp/t 139 kW/t 5.4 kg/hp | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK |
Detailed score breakdown
| Vehicle | JaguarXJ (X351)R 5.0 V8 Supercharged | JaguarXJ (X358)4.2 V8 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 550 hp 410 kW | 298 hp 222 kW | ||||||||||||||||
| Torque | 680 Nm 502 lb-ft | 411 Nm 303 lb-ft | ||||||||||||||||
| Acceleration | 4.6 s | 6.6 s | ||||||||||||||||
| Top speed | Unrestricted 295 km/h183 mph Restricted 280 km/h174 mph | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,873 kg 4,129 lb | 1,603 kg 3,534 lb | ||||||||||||||||
| Fuel consumption | 11.6 L/100 km 20.3 mpg US 24.4 mpg UK | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 707 km 439 mi | 746 km 463 mi | ||||||||||||||||
| Trunk score | 520 L 18.4 cu ft | 470 L 16.6 cu ft | ||||||||||||||||
| Power-to-weight score | 294 hp/t 219 kW/t 3.4 kg/hp | 186 hp/t 139 kW/t 5.4 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
| Vehicle | Jaguar XJ (X351) R 5.0 V8 Supercharged | Jaguar XJ (X358) 4.2 V8 |
|---|---|---|
| Consumption | 11.6 L/100 km20.3 mpg US24.4 mpg UK | 11.4 L/100 km20.6 mpg US24.8 mpg UK |
| Cost / 100 km | 20.30 LC100 km | 19.95 LC100 km |
| Cost / 100 mi | 32.67 LC100 mi | 32.11 LC100 mi |
| Annual fuel used | 1,740 L460 US gal383 UK gal | 1,710 L452 US gal376 UK gal |
| Annual fuel cost | 3,045 LC/year | 2,993 LC/year |
Head-to-head comparisons
Jaguar XJ (X351) R 5.0 V8 Supercharged
- Has 252 hp more
- Has 269 Nm more
- Is 2.0 s quicker from 0-100 km/h
- Has 35 km/h (22 mph) higher top speed
- Has 108 hp/t better power-to-weight
- Has 50 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Highest torque
- Best power-to-weight ratio
- Largest trunk
Cons
- Highest combined fuel consumption
- Heaviest
Jaguar XJ (X358) 4.2 V8
- Is 270 kg lighter
- Uses 0.2 L/100 km less fuel
- Has 39 km (24 mi) more estimated range
Pros
- Lightest
- Lowest combined fuel consumption
- Best estimated range
Cons
- Slowest 0-100 km/h
- Lowest power
- Lowest top speed
- Smallest trunk
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