Car comparison

BMW 6 Series Coupe (F13) 650ivsBMW 6 Series (E24) 635CSi

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

New comparison

BMW 6 Series Coupe (F13)

650i

407 hp4395 ccGasolineRWDAutomaticTurbochargedCoupe2011-2012
VS

BMW 6 Series (E24)

635CSi

218 hp3453 ccGasolineRWDManualNaturally aspiratedCoupe1978-1982

Comparison overview

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

Best choices

BMW 6 Series Coupe (F13) 650i

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    407 hp
    304 kW
  • Highest torque
    600 Nm
    443 lb-ft
  • Best power-to-weight
    230 hp/t
    171 kW/t
    4.3 kg/hp
  • Largest trunk
    460 L
  • Best overall score
    69/100
  • Best performance score
    76/100
  • Best practicality score
    54/100

BMW 6 Series (E24) 635CSi

  • Lightest
    1,500 kg
    3,307 lb
  • Lowest combined fuel consumption
    10.0 L/100 km
    23.5 mpg US
    28.2 mpg UK
  • Best estimated range
    700 km
    435 mi
  • Best economy score
    80/100

Specification comparison

Specification comparison
ModelBMW6 Series Coupe (F13)650iBMW6 Series (E24)635CSi
Power
407hp304kW
218hp163kW
Torque
600Nm443lb-ft
310Nm229lb-ft
Curb weight
1,770kg3,902lb
1,500kg3,307lb
Gross weight
2,280kg5,027lb
1,860kg4,101lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
222 km/h
138 mph
To 99% top speed
67.5s99% target: 262 km/h / 163 mph
Calculated
94.9s99% target: 220 km/h / 137 mph
Calculated
0-100 km/h
4.9s
7.6s
0-200 km/h
17.2s
Calculated
40.5s
Calculated
0-60 mph
4.7s
Calculated
7.2s
Calculated
Fuel consumption
10.6L/100 km22.2mpg US26.6mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city
15.5L/100 km15.2mpg US18.2mpg UK
-
Fuel consumption highway
7.7L/100 km30.5mpg US36.7mpg UK
-
Quarter mile
13.0s
Calculated
15.5s
Calculated
Power-to-weight
230hp/t171kW/t104hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
339Nm/t227lb-ft/ton
Calculated
207Nm/t138lb-ft/ton
Calculated
Estimated range
660km410mi
Calculated
700km435mi
Calculated
Displacement
4,395cc268cu in
3,453cc211cu in
Length
4,894mm193in
4,755mm187in
Width
1,894mm75in
1,725mm68in
Height
1,396mm55in
1,365mm54in
Wheelbase
2,855mm112in
2,626mm103in
Front track
1,600mm63in
1,422mm56in
Rear track
1,657mm65in
1,487mm59in
Ground clearance
124mm5in
-
Trunk volume
460L
415L
Doors
2
2
Seats
4
4
Fuel tank
70L
70L
CO2 emissions
246g/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.

BMW 6 Series Coupe (F13) 650iBMW 6 Series (E24) 635CSiPowerTorque
  • BMW 6 Series Coupe (F13) 650i: Power / Torque
  • BMW 6 Series (E24) 635CSi: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series Coupe (F13)650i5,500-6,400 rpm1,750-4,500 rpm6,650 rpm
BMW6 Series (E24)635CSi5,200 rpm4,000 rpm5,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series Coupe (F13)650iBMW6 Series (E24)635CSi
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
7.2 s
0-100 km/h
0-62 mph
4.9 s
7.6 s
0-200 km/h
0-124 mph
17.2 s
40.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
222 km/h
138 mph
Drag race simulation
60 ft
18 m
2.2 s
2.4 s
330 ft
101 m
5.7 s
6.6 s
1/8 mile
201 m
8.5 s
10.0 s
1000 ft
305 m
11.0 s
13.0 s
1/4 mile
402 m
13.0 s
15.5 s
Trap speed
1/4 mile
402 m
177 km/h
110 mph
146 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)650i
407 hp
304 kW
BMW6 Series (E24)635CSi
218 hp
163 kW

BMW 6 Series Coupe (F13) 650i has 189 hp more than BMW 6 Series (E24) 635CSi.

The biggest power difference is between BMW 6 Series (E24) 635CSi and BMW 6 Series Coupe (F13) 650i: 189 hp (141 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)650i
600 Nm
443 lb-ft
BMW6 Series (E24)635CSi
310 Nm
229 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)650i
1,770 kg
3,902 lb
BMW6 Series (E24)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 Coupe (F13)650i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW6 Series (E24)635CSi
222 km/h
138 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)650i4.9 s
BMW6 Series (E24)635CSi7.6 s

The biggest 0-100 km/h difference is between BMW 6 Series Coupe (F13) 650i and BMW 6 Series (E24) 635CSi: 2.7 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 Coupe (F13)650i
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
BMW6 Series (E24)635CSi
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

The biggest fuel consumption difference is between BMW 6 Series (E24) 635CSi and BMW 6 Series Coupe (F13) 650i: 0.6 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 Coupe (F13)650i
230 hp/t
171 kW/t
4.3 kg/hp
BMW6 Series (E24)635CSi
145 hp/t
108 kW/t
6.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)650i
660 km
410 mi
BMW6 Series (E24)635CSi
700 km
435 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series Coupe (F13)650i
407 hp
304 kW
4.9 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW6 Series (E24)635CSi
218 hp
163 kW
7.6 s
222 km/h
138 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 Coupe (F13)650i
Power
407 hp
304 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
460 L
16.2 cu ft
Length
4,894 mm
192.7 in
Height
1,396 mm
55.0 in
BMW6 Series (E24)635CSi
Power
218 hp
163 kW
0-100 km/h7.6 s
Top speed
222 km/h
138 mph
Doors/seats
2 doors
4 seats
Trunk
415 L
14.7 cu ft
Length
4,755 mm
187.2 in
Height
1,365 mm
53.7 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 Coupe (F13)650i
Power
407 hp
304 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
BMW6 Series (E24)635CSi
Power
218 hp
163 kW
0-100 km/h7.6 s
Top speed
222 km/h
138 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

BMW 6 Series Coupe (F13) 650i 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 Coupe (F13)650i
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
4.9 s
BMW6 Series (E24)635CSi
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
7.6 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
BMW6 Series Coupe (F13)650i
230 hp/t
171 kW/t
4.3 kg/hp
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
BMW6 Series (E24)635CSi
145 hp/t
108 kW/t
6.9 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series Coupe (F13)650iBMW6 Series (E24)635CSi
Power
407 hp
304 kW
218 hp
163 kW
Torque
600 Nm
443 lb-ft
310 Nm
229 lb-ft
Acceleration
4.9 s
7.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
222 km/h
138 mph
Lightness
1,770 kg
3,902 lb
1,500 kg
3,307 lb
Fuel consumption
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
460 L
16.2 cu ft
Length
4,894 mm
192.7 in
Height
1,396 mm
55.0 in
Doors/seats
2 doors
4 seats
Trunk
415 L
14.7 cu ft
Length
4,755 mm
187.2 in
Height
1,365 mm
53.7 in
Range score
660 km
410 mi
700 km
435 mi
CO2 score
246 g/km
-
Trunk score
460 L
16.2 cu ft
415 L
14.7 cu ft
Power-to-weight score
230 hp/t
171 kW/t
4.3 kg/hp
145 hp/t
108 kW/t
6.9 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 Coupe (F13) 650iBMW 6 Series (E24) 635CSi
Consumption10.6 L/100 km22.2 mpg US26.6 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km18.55 LC100 km17.50 LC100 km
Cost / 100 mi29.85 LC100 mi28.16 LC100 mi
Annual fuel used1,590 L420 US gal350 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost2,783 LC/year2,625 LC/year

Head-to-head comparisons

BMW 6 Series Coupe (F13) 650i

  • Has 189 hp more
  • Has 290 Nm more
  • Is 2.7 s quicker from 0-100 km/h
  • Has 43 km/h (27 mph) higher top speed
  • Has 85 hp/t better power-to-weight
  • Has 45 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW 6 Series (E24) 635CSi

  • Is 270 kg lighter
  • Uses 0.6 L/100 km less fuel
  • Has 40 km (25 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series Coupe (F13) 650i
BMW 6 Series (E24) 635CSi
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