Car comparison

Cadillac STS 4.6 i V8vsJaguar XJ (X358) 4.2 V8

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

New comparison

Cadillac STS

4.6 i V8

325 hp4565 ccGasolineRWDAutomaticNaturally aspiratedSedan2004-2011
VS

Jaguar XJ (X358)

4.2 V8

298 hp4196 ccGasolineRWDAutomaticNaturally aspiratedSedan2007-2009

Comparison overview

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

Best choices

Jaguar XJ (X358) 4.2 V8

  • Lightest
    1,603 kg
    3,534 lb
  • Best power-to-weight
    186 hp/t
    139 kW/t
    5.4 kg/hp
  • Lowest combined fuel consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest city consumption
    16.7 L/100 km
    14.1 mpg US
    16.9 mpg UK
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best estimated range
    746 km
    463 mi
  • Largest trunk
    470 L
  • Best economy score
    76/100
  • Best practicality score
    75/100

Cadillac STS 4.6 i V8

  • Quickest 0-100 km/h
    6.2 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    325 hp
    242 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Best overall score
    68/100
  • Best performance score
    65/100

Specification comparison

Specification comparison
ModelCadillacSTS4.6 i V8JaguarXJ (X358)4.2 V8
Power
325hp242kW
298hp222kW
Torque
420Nm310lb-ft
411Nm303lb-ft
Curb weight
1,780kg3,924lb
1,603kg3,534lb
Gross weight-
2,223kg4,901lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
64.0s99% target: 262 km/h / 163 mph
Calculated
68.0s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.2s
6.6s
0-200 km/h
18.9s
Calculated
20.8s
Calculated
0-60 mph
5.9s
Calculated
6.3s
Calculated
Fuel consumption
14.4L/100 km16.3mpg US19.6mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city
19.2L/100 km12.3mpg US14.7mpg UK
16.7L/100 km14.1mpg US16.9mpg UK
Fuel consumption highway
11.7L/100 km20.1mpg US24.1mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
14.1s
Calculated
14.5s
Calculated
Power-to-weight
183hp/t136kW/t83hp/1000 lb
Calculated
186hp/t139kW/t84hp/1000 lb
Calculated
Torque-to-weight
236Nm/t158lb-ft/ton
Calculated
256Nm/t172lb-ft/ton
Calculated
Estimated range
458km285mi
Calculated
746km463mi
Calculated
Displacement
4,565cc279cu in
4,196cc256cu in
Length
4,985mm196in
5,091mm200in
Width
1,843mm73in
1,860mm73in
Height
1,464mm58in
1,462mm58in
Wheelbase
2,957mm116in
3,034mm119in
Front track
1,596mm63in
1,556mm61in
Rear track
1,581mm62in
1,546mm61in
Trunk volume
464L
470L
Doors
4
4
Seats
5
5
Fuel tank
66L
85L
CO2 emissions
343g/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.

Cadillac STS 4.6 i V8Jaguar XJ (X358) 4.2 V8PowerTorque
  • Cadillac STS 4.6 i V8: Power / Torque
  • Jaguar XJ (X358) 4.2 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CadillacSTS4.6 i V86,400 rpm4,400 rpm6,650 rpm
JaguarXJ (X358)4.2 V86,000 rpm4,100 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricCadillacSTS4.6 i V8JaguarXJ (X358)4.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
6.3 s
0-100 km/h
0-62 mph
6.2 s
6.6 s
0-200 km/h
0-124 mph
18.9 s
20.8 s
Top speed
Unrestricted
265 km/h165 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
6.4 s
6.6 s
1/8 mile
201 m
9.5 s
9.7 s
1000 ft
305 m
12.0 s
12.3 s
1/4 mile
402 m
14.1 s
14.5 s
Trap speed
1/4 mile
402 m
173 km/h
107 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
CadillacSTS4.6 i V8
325 hp
242 kW
JaguarXJ (X358)4.2 V8
298 hp
222 kW

Cadillac STS 4.6 i V8 has 27 hp more than Jaguar XJ (X358) 4.2 V8.

The biggest power difference is between Jaguar XJ (X358) 4.2 V8 and Cadillac STS 4.6 i V8: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
CadillacSTS4.6 i V8
420 Nm
310 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

Chart data table
VehicleValue
CadillacSTS4.6 i V8
1,780 kg
3,924 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

Chart data table
VehicleValue
CadillacSTS4.6 i V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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

Chart data table
VehicleValue
CadillacSTS4.6 i V86.2 s
JaguarXJ (X358)4.2 V86.6 s

The biggest 0-100 km/h difference is between Cadillac STS 4.6 i V8 and Jaguar XJ (X358) 4.2 V8: 0.4 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
CadillacSTS4.6 i V8
14.4 L/100 km
16.3 mpg US
19.6 mpg UK
JaguarXJ (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 (X358) 4.2 V8 and Cadillac STS 4.6 i V8: 3.0 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
CadillacSTS4.6 i V8
183 hp/t
136 kW/t
5.5 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

Chart data table
VehicleValue
CadillacSTS4.6 i V8
458 km
285 mi
JaguarXJ (X358)4.2 V8
746 km
463 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CadillacSTS4.6 i V8
325 hp
242 kW
6.2 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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.

Chart data table
VehiclePerformance scorePracticality score
CadillacSTS4.6 i V8
Power
325 hp
242 kW
0-100 km/h6.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
464 L
16.4 cu ft
Length
4,985 mm
196.3 in
Height
1,464 mm
57.6 in
JaguarXJ (X358)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
470 L
16.6 cu ft
Length
5,091 mm
200.4 in
Height
1,462 mm
57.6 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
CadillacSTS4.6 i V8
Power
325 hp
242 kW
0-100 km/h6.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
14.4 L/100 km
16.3 mpg US
19.6 mpg UK
JaguarXJ (X358)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Jaguar XJ (X358) 4.2 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
CadillacSTS4.6 i V8
14.4 L/100 km
16.3 mpg US
19.6 mpg UK
6.2 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.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
CadillacSTS4.6 i V8
183 hp/t
136 kW/t
5.5 kg/hp
14.4 L/100 km
16.3 mpg US
19.6 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

Detailed score breakdown
VehicleCadillacSTS4.6 i V8JaguarXJ (X358)4.2 V8
Power
325 hp
242 kW
298 hp
222 kW
Torque
420 Nm
310 lb-ft
411 Nm
303 lb-ft
Acceleration
6.2 s
6.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,780 kg
3,924 lb
1,603 kg
3,534 lb
Fuel consumption
14.4 L/100 km
16.3 mpg US
19.6 mpg UK
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
464 L
16.4 cu ft
Length
4,985 mm
196.3 in
Height
1,464 mm
57.6 in
Doors/seats
4 doors
5 seats
Trunk
470 L
16.6 cu ft
Length
5,091 mm
200.4 in
Height
1,462 mm
57.6 in
Range score
458 km
285 mi
746 km
463 mi
CO2 score
343 g/km
-
Trunk score
464 L
16.4 cu ft
470 L
16.6 cu ft
Power-to-weight score
183 hp/t
136 kW/t
5.5 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

Fuel cost and annual usage
VehicleCadillac STS 4.6 i V8Jaguar XJ (X358) 4.2 V8
Consumption14.4 L/100 km16.3 mpg US19.6 mpg UK11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km25.20 LC100 km19.95 LC100 km
Cost / 100 mi40.56 LC100 mi32.11 LC100 mi
Annual fuel used2,160 L571 US gal475 UK gal1,710 L452 US gal376 UK gal
Annual fuel cost3,780 LC/year2,993 LC/year

Head-to-head comparisons

Cadillac STS 4.6 i V8

  • Has 27 hp more
  • Has 9 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Jaguar XJ (X358) 4.2 V8

  • Is 177 kg lighter
  • Uses 3.0 L/100 km less fuel
  • Has 3 hp/t better power-to-weight
  • Has 287 km (179 mi) more estimated range
  • Has 6 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Cadillac STS 4.6 i V8
Jaguar XJ (X358) 4.2 V8
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2 vehicles selected

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