Car comparison

BMW 6 Series (E63) 630ivsBMW 6 Series (E24) · Facelift 1982 M 635CSi

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

New comparison

BMW 6 Series (E63)

630i

258 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2004-2007
VS

BMW 6 Series (E24) · Facelift 1982

M 635CSi

286 hp3453 ccGasolineRWDManualNaturally aspiratedCoupe1984-1987

Comparison overview

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

Best choices

BMW 6 Series (E63) 630i

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,490 kg
    3,285 lb
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    13.1 L/100 km
    18.0 mpg US
    21.6 mpg UK
  • Lowest highway consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Best estimated range
    778 km
    483 mi
  • Largest trunk
    450 L
  • Best overall score
    57/100
  • Best economy score
    83/100
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelBMW6 Series (E63)630iBMW6 Series (E24)Facelift 1982M 635CSi
Power
258hp192kW
286hp213kW
Torque
300Nm221lb-ft
340Nm251lb-ft
Curb weight
1,490kg3,285lb
1,500kg3,307lb
Gross weight
1,940kg4,277lb
1,850kg4,079lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
255 km/h
158 mph
To 99% top speed
89.2s99% target: 257 km/h / 160 mph
Calculated
90.5s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
6.5s
6.4s
0-200 km/h
23.5s
Calculated
24.5s
Calculated
0-60 mph
6.2s
Calculated
6.1s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption city
13.1L/100 km18mpg US21.6mpg UK
16.5L/100 km14.3mpg US17.1mpg UK
Fuel consumption highway
6.7L/100 km35.1mpg US42.2mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
14.5s
Calculated
14.5s
Calculated
Power-to-weight
173hp/t129kW/t79hp/1000 lb
Calculated
191hp/t142kW/t86hp/1000 lb
Calculated
Torque-to-weight
201Nm/t135lb-ft/ton
Calculated
227Nm/t152lb-ft/ton
Calculated
Estimated range
778km483mi
Calculated
619km385mi
Calculated
Displacement
2,996cc183cu in
3,453cc211cu in
Length
4,820mm190in
4,755mm187in
Width
1,855mm73in
1,725mm68in
Height
1,373mm54in
1,355mm53in
Wheelbase
2,780mm109in
2,625mm103in
Front track
1,558mm61in
1,430mm56in
Rear track
1,596mm63in
1,464mm58in
Trunk volume
450L
335L
Doors
2
2
Seats
4
4
Fuel tank
70L
70L

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 (E63) 630iBMW 6 Series (E24) Facelift 1982 M 635CSiPowerTorque
  • BMW 6 Series (E63) 630i: Power / Torque
  • BMW 6 Series (E24) Facelift 1982 M 635CSi: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series (E63)630i6,600 rpm2,500 rpm6,850 rpm
BMW6 Series (E24)Facelift 1982M 635CSi6,500 rpm4,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series (E63)630iBMW6 Series (E24)Facelift 1982M 635CSi
Acceleration checkpoints
0-60 mph
0-97 km/h
6.2 s
6.1 s
0-100 km/h
0-62 mph
6.5 s
6.4 s
0-200 km/h
0-124 mph
23.5 s
24.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
255 km/h
158 mph
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.4 s
6.3 s
1/8 mile
201 m
9.5 s
9.5 s
1000 ft
305 m
12.3 s
12.2 s
1/4 mile
402 m
14.5 s
14.5 s
Trap speed
1/4 mile
402 m
161 km/h
100 mph
160 km/h
99 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
258 hp
192 kW
BMW6 Series (E24)Facelift 1982M 635CSi
286 hp
213 kW

BMW 6 Series (E24) Facelift 1982 M 635CSi has 28 hp more than BMW 6 Series (E63) 630i.

The biggest power difference is between BMW 6 Series (E63) 630i and BMW 6 Series (E24) Facelift 1982 M 635CSi: 28 hp (21 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
300 Nm
221 lb-ft
BMW6 Series (E24)Facelift 1982M 635CSi
340 Nm
251 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
1,490 kg
3,285 lb
BMW6 Series (E24)Facelift 1982M 635CSi
1,500 kg
3,307 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 (E63)630i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series (E24)Facelift 1982M 635CSi
255 km/h
158 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i6.5 s
BMW6 Series (E24)Facelift 1982M 635CSi6.4 s

The biggest 0-100 km/h difference is between BMW 6 Series (E24) Facelift 1982 M 635CSi and BMW 6 Series (E63) 630i: 0.1 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 (E63)630i
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMW6 Series (E24)Facelift 1982M 635CSi
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

The biggest fuel consumption difference is between BMW 6 Series (E63) 630i and BMW 6 Series (E24) Facelift 1982 M 635CSi: 2.3 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 (E63)630i
173 hp/t
129 kW/t
5.8 kg/hp
BMW6 Series (E24)Facelift 1982M 635CSi
191 hp/t
142 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
778 km
483 mi
BMW6 Series (E24)Facelift 1982M 635CSi
619 km
385 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series (E63)630i
258 hp
192 kW
6.5 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series (E24)Facelift 1982M 635CSi
286 hp
213 kW
6.4 s
255 km/h
158 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 (E63)630i
Power
258 hp
192 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,373 mm
54.1 in
BMW6 Series (E24)Facelift 1982M 635CSi
Power
286 hp
213 kW
0-100 km/h6.4 s
Top speed
255 km/h
158 mph
Doors/seats
2 doors
4 seats
Trunk
335 L
11.8 cu ft
Length
4,755 mm
187.2 in
Height
1,355 mm
53.3 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 (E63)630i
Power
258 hp
192 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMW6 Series (E24)Facelift 1982M 635CSi
Power
286 hp
213 kW
0-100 km/h6.4 s
Top speed
255 km/h
158 mph
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

BMW 6 Series (E63) 630i 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 (E63)630i
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
6.5 s
BMW6 Series (E24)Facelift 1982M 635CSi
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
6.4 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 (E63)630i
173 hp/t
129 kW/t
5.8 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMW6 Series (E24)Facelift 1982M 635CSi
191 hp/t
142 kW/t
5.2 kg/hp
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series (E63)630iBMW6 Series (E24)Facelift 1982M 635CSi
Power
258 hp
192 kW
286 hp
213 kW
Torque
300 Nm
221 lb-ft
340 Nm
251 lb-ft
Acceleration
6.5 s
6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
255 km/h
158 mph
Lightness
1,490 kg
3,285 lb
1,500 kg
3,307 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,373 mm
54.1 in
Doors/seats
2 doors
4 seats
Trunk
335 L
11.8 cu ft
Length
4,755 mm
187.2 in
Height
1,355 mm
53.3 in
Range score
778 km
483 mi
619 km
385 mi
Trunk score
450 L
15.9 cu ft
335 L
11.8 cu ft
Power-to-weight score
173 hp/t
129 kW/t
5.8 kg/hp
191 hp/t
142 kW/t
5.2 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 (E63) 630iBMW 6 Series (E24) Facelift 1982 M 635CSi
Consumption9 L/100 km26.1 mpg US31.4 mpg UK11.3 L/100 km20.8 mpg US25 mpg UK
Cost / 100 km15.75 LC100 km19.78 LC100 km
Cost / 100 mi25.35 LC100 mi31.82 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,695 L448 US gal373 UK gal
Annual fuel cost2,363 LC/year2,966 LC/year

Head-to-head comparisons

BMW 6 Series (E63) 630i

  • Is 10 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Uses 2.3 L/100 km less fuel
  • Has 158 km (98 mi) more estimated range
  • Has 115 L more trunk volume

Pros

  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

BMW 6 Series (E24) Facelift 1982 M 635CSi

  • Has 28 hp more
  • Has 40 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Has 18 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series (E63) 630i
BMW 6 Series (E24) M 635CSi
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