Car comparison

BMW 6 Series (E24) · Facelift 1987 M 635CSivsJaguar XJS Coupe 5.3

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

New comparison

BMW 6 Series (E24) · Facelift 1987

M 635CSi

260 hp3453 ccGasolineRWDManualNaturally aspiratedCoupe1987-1989
VS

Jaguar XJS Coupe

5.3

284 hp5343 ccGasolineRWDAutomaticNaturally aspiratedCoupe1991-1994

Comparison overview

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

Best choices

BMW 6 Series (E24) Facelift 1987 M 635CSi

  • Quickest 0-100 km/h
    6.9 s
  • Fastest top speed
    242 km/h
    150 mph
  • Lightest
    1,515 kg
    3,340 lb
  • Best power-to-weight
    172 hp/t
    128 kW/t
    5.8 kg/hp
  • Lowest combined fuel consumption
    11.9 L/100 km
    19.8 mpg US
    23.7 mpg UK
  • Lowest city consumption
    17.6 L/100 km
    13.4 mpg US
    16.1 mpg UK
  • Lowest highway consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Best overall score
    54/100
  • Best performance score
    56/100
  • Best economy score
    75/100

Jaguar XJS Coupe 5.3

  • Most powerful
    284 hp
    212 kW
  • Highest torque
    415 Nm
    306 lb-ft
  • Best estimated range
    664 km
    413 mi
  • Largest trunk
    407 L
  • Best practicality score
    51/100

Specification comparison

Specification comparison
ModelBMW6 Series (E24)Facelift 1987M 635CSiJaguarXJS Coupe5.3
Power
260hp194kW
284hp212kW
Torque
330Nm243lb-ft
415Nm306lb-ft
Curb weight
1,515kg3,340lb
1,825kg4,023lb
Gross weight
1,865kg4,112lb
2,175kg4,795lb
Top speed
242 km/h
150 mph
237 km/h
147 mph
To 99% top speed
92.7s99% target: 240 km/h / 149 mph
Calculated
101.6s99% target: 235 km/h / 146 mph
Calculated
0-100 km/h
6.9s
8.2s
0-200 km/h
28.9s
Calculated
34.7s
Calculated
0-60 mph
6.5s
Calculated
7.8s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption city
17.6L/100 km13.4mpg US16.1mpg UK
19.9L/100 km11.8mpg US14.2mpg UK
Fuel consumption highway
8.1L/100 km29mpg US34.9mpg UK
11L/100 km21.4mpg US25.7mpg UK
Quarter mile
14.9s
Calculated
15.9s
Calculated
Power-to-weight
172hp/t128kW/t78hp/1000 lb
Calculated
156hp/t116kW/t71hp/1000 lb
Calculated
Torque-to-weight
218Nm/t146lb-ft/ton
Calculated
227Nm/t152lb-ft/ton
Calculated
Estimated range
588km366mi
Calculated
664km413mi
Calculated
Displacement
3,453cc211cu in
5,343cc326cu in
Length
4,815mm190in
4,820mm190in
Width
1,725mm68in
1,793mm71in
Height
1,355mm53in
1,254mm49in
Wheelbase
2,625mm103in
2,588mm102in
Front track
1,430mm56in
1,489mm59in
Rear track
1,464mm58in
1,504mm59in
Trunk volume
335L
407L
Doors
2
2
Seats
4
4
Fuel tank
70L
89L

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.

BMW 6 Series (E24) Facelift 1987 M 635CSiJaguar XJS Coupe 5.3PowerTorque
  • BMW 6 Series (E24) Facelift 1987 M 635CSi: Power / Torque
  • Jaguar XJS Coupe 5.3: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series (E24)Facelift 1987M 635CSi6,500 rpm4,500 rpm6,750 rpm
JaguarXJS Coupe5.35,500 rpm2,800 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series (E24)Facelift 1987M 635CSiJaguarXJS Coupe5.3
Acceleration checkpoints
0-60 mph
0-97 km/h
6.5 s
7.8 s
0-100 km/h
0-62 mph
6.9 s
8.2 s
0-200 km/h
0-124 mph
28.9 s
34.7 s
Top speed
242 km/h
150 mph
237 km/h
147 mph
Drag race simulation
60 ft
18 m
2.4 s
2.6 s
330 ft
101 m
6.4 s
6.9 s
1/8 mile
201 m
9.7 s
10.4 s
1000 ft
305 m
12.5 s
13.4 s
1/4 mile
402 m
14.9 s
15.9 s
Trap speed
1/4 mile
402 m
154 km/h
96 mph
146 km/h
91 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series (E24)Facelift 1987M 635CSi
260 hp
194 kW
JaguarXJS Coupe5.3
284 hp
212 kW

Jaguar XJS Coupe 5.3 has 24 hp more than BMW 6 Series (E24) Facelift 1987 M 635CSi.

The biggest power difference is between BMW 6 Series (E24) Facelift 1987 M 635CSi and Jaguar XJS Coupe 5.3: 24 hp (18 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series (E24)Facelift 1987M 635CSi
330 Nm
243 lb-ft
JaguarXJS Coupe5.3
415 Nm
306 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series (E24)Facelift 1987M 635CSi
1,515 kg
3,340 lb
JaguarXJS Coupe5.3
1,825 kg
4,023 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
BMW6 Series (E24)Facelift 1987M 635CSi
242 km/h
150 mph
JaguarXJS Coupe5.3
237 km/h
147 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
BMW6 Series (E24)Facelift 1987M 635CSi6.9 s
JaguarXJS Coupe5.38.2 s

Although Jaguar XJS Coupe 5.3 has more power, BMW 6 Series (E24) Facelift 1987 M 635CSi is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 6 Series (E24) Facelift 1987 M 635CSi and Jaguar XJS Coupe 5.3: 1.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW6 Series (E24)Facelift 1987M 635CSi
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
JaguarXJS Coupe5.3
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

The biggest fuel consumption difference is between BMW 6 Series (E24) Facelift 1987 M 635CSi and Jaguar XJS Coupe 5.3: 1.5 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
BMW6 Series (E24)Facelift 1987M 635CSi
172 hp/t
128 kW/t
5.8 kg/hp
JaguarXJS Coupe5.3
156 hp/t
116 kW/t
6.4 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
BMW6 Series (E24)Facelift 1987M 635CSi
588 km
366 mi
JaguarXJS Coupe5.3
664 km
413 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series (E24)Facelift 1987M 635CSi
260 hp
194 kW
6.9 s
242 km/h
150 mph
JaguarXJS Coupe5.3
284 hp
212 kW
8.2 s
237 km/h
147 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
BMW6 Series (E24)Facelift 1987M 635CSi
Power
260 hp
194 kW
0-100 km/h6.9 s
Top speed
242 km/h
150 mph
Doors/seats
2 doors
4 seats
Trunk
335 L
11.8 cu ft
Length
4,815 mm
189.6 in
Height
1,355 mm
53.3 in
JaguarXJS Coupe5.3
Power
284 hp
212 kW
0-100 km/h8.2 s
Top speed
237 km/h
147 mph
Doors/seats
2 doors
4 seats
Trunk
407 L
14.4 cu ft
Length
4,820 mm
189.8 in
Height
1,254 mm
49.4 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
BMW6 Series (E24)Facelift 1987M 635CSi
Power
260 hp
194 kW
0-100 km/h6.9 s
Top speed
242 km/h
150 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
JaguarXJS Coupe5.3
Power
284 hp
212 kW
0-100 km/h8.2 s
Top speed
237 km/h
147 mph
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

BMW 6 Series (E24) Facelift 1987 M 635CSi 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
BMW6 Series (E24)Facelift 1987M 635CSi
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
6.9 s
JaguarXJS Coupe5.3
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
8.2 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
BMW6 Series (E24)Facelift 1987M 635CSi
172 hp/t
128 kW/t
5.8 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
JaguarXJS Coupe5.3
156 hp/t
116 kW/t
6.4 kg/hp
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series (E24)Facelift 1987M 635CSiJaguarXJS Coupe5.3
Power
260 hp
194 kW
284 hp
212 kW
Torque
330 Nm
243 lb-ft
415 Nm
306 lb-ft
Acceleration
6.9 s
8.2 s
Top speed
242 km/h
150 mph
237 km/h
147 mph
Lightness
1,515 kg
3,340 lb
1,825 kg
4,023 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
335 L
11.8 cu ft
Length
4,815 mm
189.6 in
Height
1,355 mm
53.3 in
Doors/seats
2 doors
4 seats
Trunk
407 L
14.4 cu ft
Length
4,820 mm
189.8 in
Height
1,254 mm
49.4 in
Range score
588 km
366 mi
664 km
413 mi
Trunk score
335 L
11.8 cu ft
407 L
14.4 cu ft
Power-to-weight score
172 hp/t
128 kW/t
5.8 kg/hp
156 hp/t
116 kW/t
6.4 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
VehicleBMW 6 Series (E24) Facelift 1987 M 635CSiJaguar XJS Coupe 5.3
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK13.4 L/100 km17.6 mpg US21.1 mpg UK
Cost / 100 km20.83 LC100 km23.45 LC100 km
Cost / 100 mi33.51 LC100 mi37.74 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal2,010 L531 US gal442 UK gal
Annual fuel cost3,124 LC/year3,518 LC/year

Head-to-head comparisons

BMW 6 Series (E24) Facelift 1987 M 635CSi

  • Is 310 kg lighter
  • Is 1.3 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.5 L/100 km less fuel
  • Has 16 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Smallest trunk

Jaguar XJS Coupe 5.3

  • Has 24 hp more
  • Has 85 Nm more
  • Has 76 km (47 mi) more estimated range
  • Has 72 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series (E24) M 635CSi
Jaguar XJS Coupe 5.3
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2 vehicles selected

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