Car comparison

Jaguar XJ (X300) R 4.0 24V SportvsMercedes-Benz S-class (W140) · Facelift 1994 S 500 V8

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

New comparison

Jaguar XJ (X300)

R 4.0 24V Sport

320 hp3980 ccGasolineRWDAutomaticSuperchargedSedan1994-1997
VS

Mercedes-Benz S-class (W140) · Facelift 1994

S 500 V8

320 hp4973 ccGasolineRWDAutomaticNaturally aspiratedSedan1994-1995

Comparison overview

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

Best choices

Jaguar XJ (X300) R 4.0 24V Sport

  • Quickest 0-100 km/h
    6.3 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    320 hp
    239 kW
  • Highest torque
    512 Nm
    378 lb-ft
  • Lightest
    1,875 kg
    4,134 lb
  • Best power-to-weight
    171 hp/t
    127 kW/t
    5.9 kg/hp
  • Best overall score
    68/100
  • Best performance score
    66/100
  • Best economy score
    73/100

Specification comparison

Specification comparison
ModelJaguarXJ (X300)R 4.0 24V SportMercedes-BenzS-class (W140)Facelift 1994S 500 V8
Power
320hp239kW
320hp239kW
Torque
512Nm378lb-ft
470Nm347lb-ft
Curb weight
1,875kg4,134lb
2,000kg4,409lb
Gross weight
2,295kg5,060lb
2,650kg5,842lb
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
65.8s99% target: 262 km/h / 163 mph
Calculated
77.0s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
6.3s
7.3s
0-200 km/h
19.3s
Calculated
22.5s
Calculated
0-60 mph
6.0s
Calculated
7.0s
Calculated
Fuel consumption
12.5L/100 km18.8mpg US22.6mpg UK
-
Fuel consumption city-
17.2L/100 km13.7mpg US16.4mpg UK
Fuel consumption highway-
11.9L/100 km19.8mpg US23.7mpg UK
Quarter mile
14.2s
Calculated
15.1s
Calculated
Power-to-weight
171hp/t127kW/t77hp/1000 lb
Calculated
160hp/t119kW/t73hp/1000 lb
Calculated
Torque-to-weight
273Nm/t183lb-ft/ton
Calculated
235Nm/t157lb-ft/ton
Calculated
Estimated range
688km428mi
Calculated
-
Displacement
3,980cc243cu in
4,973cc303cu in
Length
5,023mm198in
5,113mm201in
Width
1,798mm71in
1,886mm74in
Height
1,303mm51in
1,486mm59in
Wheelbase
2,870mm113in
3,040mm120in
Front track
1,500mm59in
1,606mm63in
Rear track
1,498mm59in
1,579mm62in
Trunk volume
430L
525L
Doors
4
4
Seats
5
5
Fuel tank
86L
100L

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 (X300) R 4.0 24V SportMercedes-Benz S-class (W140) Facelift 1994 S 500 V8PowerTorque
  • Jaguar XJ (X300) R 4.0 24V Sport: Power / Torque
  • Mercedes-Benz S-class (W140) Facelift 1994 S 500 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X300)R 4.0 24V Sport5,000 rpm3,050 rpm5,250 rpm
Mercedes-BenzS-class (W140)Facelift 1994S 500 V85,600 rpm3,900 rpm5,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X300)R 4.0 24V SportMercedes-BenzS-class (W140)Facelift 1994S 500 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
6.0 s
7.0 s
0-100 km/h
0-62 mph
6.3 s
7.3 s
0-200 km/h
0-124 mph
19.3 s
22.5 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
Limited
Drag race simulation
60 ft
18 m
2.6 s
2.8 s
330 ft
101 m
6.5 s
6.9 s
1/8 mile
201 m
9.5 s
10.1 s
1000 ft
305 m
12.1 s
12.9 s
1/4 mile
402 m
14.2 s
15.1 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
163 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X300)R 4.0 24V Sport
320 hp
239 kW
Mercedes-BenzS-class (W140)Facelift 1994S 500 V8
320 hp
239 kW

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X300)R 4.0 24V Sport
512 Nm
378 lb-ft
Mercedes-BenzS-class (W140)Facelift 1994S 500 V8
470 Nm
347 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
JaguarXJ (X300)R 4.0 24V Sport
1,875 kg
4,134 lb
Mercedes-BenzS-class (W140)Facelift 1994S 500 V8
2,000 kg
4,409 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 (X300)R 4.0 24V Sport
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W140)Facelift 1994S 500 V8
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

Chart data table
VehicleValue
JaguarXJ (X300)R 4.0 24V Sport6.3 s
Mercedes-BenzS-class (W140)Facelift 1994S 500 V87.3 s

The biggest 0-100 km/h difference is between Jaguar XJ (X300) R 4.0 24V Sport and Mercedes-Benz S-class (W140) Facelift 1994 S 500 V8: 1.0 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
JaguarXJ (X300)R 4.0 24V Sport
171 hp/t
127 kW/t
5.9 kg/hp
Mercedes-BenzS-class (W140)Facelift 1994S 500 V8
160 hp/t
119 kW/t
6.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X300)R 4.0 24V Sport
320 hp
239 kW
6.3 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W140)Facelift 1994S 500 V8
320 hp
239 kW
7.3 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.

Chart data table
VehiclePerformance scorePracticality score
JaguarXJ (X300)R 4.0 24V Sport
Power
320 hp
239 kW
0-100 km/h6.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,023 mm
197.8 in
Height
1,303 mm
51.3 in
Mercedes-BenzS-class (W140)Facelift 1994S 500 V8
Power
320 hp
239 kW
0-100 km/h7.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
525 L
18.5 cu ft
Length
5,113 mm
201.3 in
Height
1,486 mm
58.5 in

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X300)R 4.0 24V SportMercedes-BenzS-class (W140)Facelift 1994S 500 V8
Power
320 hp
239 kW
320 hp
239 kW
Torque
512 Nm
378 lb-ft
470 Nm
347 lb-ft
Acceleration
6.3 s
7.3 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
2,000 kg
4,409 lb
Fuel consumption
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
-
Practicality
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,023 mm
197.8 in
Height
1,303 mm
51.3 in
Doors/seats
4 doors
5 seats
Trunk
525 L
18.5 cu ft
Length
5,113 mm
201.3 in
Height
1,486 mm
58.5 in
Range score
688 km
428 mi
-
Trunk score
430 L
15.2 cu ft
525 L
18.5 cu ft
Power-to-weight score
171 hp/t
127 kW/t
5.9 kg/hp
160 hp/t
119 kW/t
6.3 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 (X300) R 4.0 24V Sport
Consumption12.5 L/100 km18.8 mpg US22.6 mpg UK
Cost / 100 km21.88 LC100 km
Cost / 100 mi35.20 LC100 mi
Annual fuel used1,875 L495 US gal412 UK gal
Annual fuel cost3,281 LC/year

Head-to-head comparisons

Jaguar XJ (X300) R 4.0 24V Sport

  • Has 42 Nm more
  • Is 125 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 11 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X300) R 4.0 24V Sport
Mercedes-Benz S-class (W140) S 500 V8
Compare selected cars
2 vehicles selected

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Jaguar XJ (X300) R 4.0 24V Sport vs Mercedes-Benz S-class (W140) · Facelift 1994 S 500 V8 - car comparison - FastVsFaster