Jaguar XJ (X351) · Facelift 2015
Car comparison
Jaguar XJ (X351) · Facelift 2015 3.0 V6vsJaguar XJ Sovereign (X358) 4.2 V8
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonJaguar XJ Sovereign (X358)
4.2 V8
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Jaguar XJ (X351) Facelift 2015 3.0 V6
- Quickest 0-100 km/h6.4 s
- Fastest top speed260 km/h162 mph Unrestricted250 km/h155 mph Restricted
- Most powerful340 hp254 kW
- Highest torque450 Nm332 lb-ft
- Lowest combined fuel consumption9.8 L/100 km24.0 mpg US28.8 mpg UK
- Lowest city consumption13.6 L/100 km17.3 mpg US20.8 mpg UK
- Lowest highway consumption7.6 L/100 km30.9 mpg US37.2 mpg UK
- Best estimated range816 km507 mi
- Best overall score68/100
- Best performance score64/100
- Best economy score81/100
- Best practicality score78/100
Jaguar XJ Sovereign (X358) 4.2 V8
- Lightest1,609 kg3,547 lb
- Best power-to-weight185 hp/t138 kW/t5.4 kg/hp
Specification comparison
| Model | JaguarXJ (X351)Facelift 20153.0 V6 | JaguarXJ Sovereign (X358)4.2 V8 |
|---|---|---|
| Power | 340hp254kW | 298hp222kW |
| Torque | 450Nm332lb-ft | 411Nm303lb-ft |
| Curb weight | 1,865kg4,112lb | 1,609kg3,547lb |
| Gross weight | 2,430kg5,357lb | 2,246kg4,952lb |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated |
| To 99% top speed | 68.1s99% target: 257 km/h / 160 mph Calculated | 68.1s99% target: 257 km/h / 160 mph Calculated |
| 0-100 km/h | 6.4s | 6.6s |
| 0-200 km/h | 20.5s Calculated | 20.8s Calculated |
| 0-60 mph | 6.1s Calculated | 6.3s Calculated |
| Fuel consumption | 9.8L/100 km24mpg US28.8mpg UK | 11.4L/100 km20.6mpg US24.8mpg UK |
| Fuel consumption city | 13.6L/100 km17.3mpg US20.8mpg UK | 16.7L/100 km14.1mpg US16.9mpg UK |
| Fuel consumption highway | 7.6L/100 km30.9mpg US37.2mpg UK | 8.4L/100 km28mpg US33.6mpg UK |
| Quarter mile | 14.3s Calculated | 14.5s Calculated |
| Power-to-weight | 182hp/t136kW/t83hp/1000 lb Calculated | 185hp/t138kW/t84hp/1000 lb Calculated |
| Torque-to-weight | 241Nm/t161lb-ft/ton Calculated | 255Nm/t171lb-ft/ton Calculated |
| Estimated range | 816km507mi Calculated | 746km463mi Calculated |
| Displacement | 2,995cc183cu in | 4,196cc256cu in |
| Length | 5,130mm202in | 5,216mm205in |
| Width | 1,899mm75in | 1,860mm73in |
| Height | 1,460mm57in | 1,463mm58in |
| Wheelbase | 3,032mm119in | 3,159mm124in |
| Front track | 1,626mm64in | 1,556mm61in |
| Rear track | 1,604mm63in | 1,546mm61in |
| Trunk volume | - | 470L |
| Doors | 4 | 4 |
| Seats | 5 | 5 |
| Fuel tank | 80L | 85L |
| CO2 emissions | 234g/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 V6: Power / Torque
- Jaguar XJ Sovereign (X358) 4.2 V8: Power / Torque
| 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 Sovereign (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)Facelift 20153.0 V6 | JaguarXJ Sovereign (X358)4.2 V8 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 6.1 s | 6.3 s |
0-100 km/h 0-62 mph | 6.4 s | 6.6 s |
0-200 km/h 0-124 mph | 20.5 s | 20.8 s |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited |
| Drag race simulation | ||
60 ft 18 m | 2.6 s | 2.6 s |
330 ft 101 m | 6.5 s | 6.6 s |
1/8 mile 201 m | 9.6 s | 9.7 s |
1000 ft 305 m | 12.2 s | 12.3 s |
1/4 mile 402 m | 14.3 s | 14.5 s |
Trap speed 1/4 mile 402 m | 169 km/h 105 mph | 168 km/h 104 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20153.0 V6 | 340 hp 254 kW |
| JaguarXJ Sovereign (X358)4.2 V8 | 298 hp 222 kW |
Jaguar XJ (X351) Facelift 2015 3.0 V6 has 42 hp more than Jaguar XJ Sovereign (X358) 4.2 V8.
The biggest power difference is between Jaguar XJ Sovereign (X358) 4.2 V8 and Jaguar XJ (X351) Facelift 2015 3.0 V6: 42 hp (31 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20153.0 V6 | 450 Nm 332 lb-ft |
| JaguarXJ Sovereign (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)Facelift 20153.0 V6 | 1,865 kg 4,112 lb |
| JaguarXJ Sovereign (X358)4.2 V8 | 1,609 kg 3,547 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 20153.0 V6 | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| JaguarXJ Sovereign (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)Facelift 20153.0 V6 | 6.4 s |
| JaguarXJ Sovereign (X358)4.2 V8 | 6.6 s |
The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 3.0 V6 and Jaguar XJ Sovereign (X358) 4.2 V8: 0.2 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 20153.0 V6 | 9.8 L/100 km 24.0 mpg US 28.8 mpg UK |
| JaguarXJ Sovereign (X358)4.2 V8 | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK |
The biggest fuel consumption difference is between Jaguar XJ (X351) Facelift 2015 3.0 V6 and Jaguar XJ Sovereign (X358) 4.2 V8: 1.6 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 20153.0 V6 | 182 hp/t 136 kW/t 5.5 kg/hp |
| JaguarXJ Sovereign (X358)4.2 V8 | 185 hp/t 138 kW/t 5.4 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| JaguarXJ (X351)Facelift 20153.0 V6 | 816 km 507 mi |
| JaguarXJ Sovereign (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)Facelift 20153.0 V6 | 340 hp 254 kW | 6.4 s | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| JaguarXJ Sovereign (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)Facelift 20153.0 V6 |
|
| ||||||||||||||
| JaguarXJ Sovereign (X358)4.2 V8 |
|
| ||||||||||||||
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 |
| 9.8 L/100 km 24.0 mpg US 28.8 mpg UK | ||||||
| JaguarXJ Sovereign (X358)4.2 V8 |
| 11.4 L/100 km 20.6 mpg US 24.8 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| JaguarXJ (X351)Facelift 20153.0 V6 | 9.8 L/100 km 24.0 mpg US 28.8 mpg UK | 6.4 s |
| JaguarXJ Sovereign (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)Facelift 20153.0 V6 | 182 hp/t 136 kW/t 5.5 kg/hp | 9.8 L/100 km 24.0 mpg US 28.8 mpg UK |
| JaguarXJ Sovereign (X358)4.2 V8 | 185 hp/t 138 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)Facelift 20153.0 V6 | JaguarXJ Sovereign (X358)4.2 V8 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 340 hp 254 kW | 298 hp 222 kW | ||||||||||||||||
| Torque | 450 Nm 332 lb-ft | 411 Nm 303 lb-ft | ||||||||||||||||
| Acceleration | 6.4 s | 6.6 s | ||||||||||||||||
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,865 kg 4,112 lb | 1,609 kg 3,547 lb | ||||||||||||||||
| Fuel consumption | 9.8 L/100 km 24.0 mpg US 28.8 mpg UK | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK | ||||||||||||||||
| Practicality |
|
| ||||||||||||||||
| Range score | 816 km 507 mi | 746 km 463 mi | ||||||||||||||||
| CO2 score | 234 g/km | - | ||||||||||||||||
| Trunk score | - | 470 L 16.6 cu ft | ||||||||||||||||
| Power-to-weight score | 182 hp/t 136 kW/t 5.5 kg/hp | 185 hp/t 138 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) Facelift 2015 3.0 V6 | Jaguar XJ Sovereign (X358) 4.2 V8 |
|---|---|---|
| Consumption | 9.8 L/100 km24 mpg US28.8 mpg UK | 11.4 L/100 km20.6 mpg US24.8 mpg UK |
| Cost / 100 km | 17.15 LC100 km | 19.95 LC100 km |
| Cost / 100 mi | 27.60 LC100 mi | 32.11 LC100 mi |
| Annual fuel used | 1,470 L388 US gal323 UK gal | 1,710 L452 US gal376 UK gal |
| Annual fuel cost | 2,573 LC/year | 2,993 LC/year |
Head-to-head comparisons
Jaguar XJ (X351) Facelift 2015 3.0 V6
- Has 42 hp more
- Has 39 Nm more
- Is 0.2 s quicker from 0-100 km/h
- Uses 1.6 L/100 km less fuel
- Has 71 km (44 mi) more estimated range
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
Cons
- Heaviest
Jaguar XJ Sovereign (X358) 4.2 V8
- Is 256 kg lighter
- Has 3 hp/t better power-to-weight
Pros
- Lightest
- Best power-to-weight ratio
Cons
- Slowest 0-100 km/h
- Lowest power
- Highest combined fuel consumption
Choose cars to compare
Popular comparisons























