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

450 hp4395 ccGasolineAWDAutomaticTurbochargedCoupe2012-2015
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
    4.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Highest torque
    650 Nm
    479 lb-ft
  • Best power-to-weight
    243 hp/t
    181 kW/t
    4.1 kg/hp
  • Lowest combined fuel consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Best estimated range
    753 km
    468 mi
  • Largest trunk
    460 L
  • Best overall score
    72/100
  • Best performance score
    80/100
  • Best economy score
    82/100
  • Best practicality score
    54/100

Specification comparison

Specification comparison
ModelBMW6 Series Coupe (F13)650iBMW6 Series (E24)635CSi
Power
450hp336kW
218hp163kW
Torque
650Nm479lb-ft
310Nm229lb-ft
Curb weight
1,855kg4,090lb
1,500kg3,307lb
Gross weight
2,350kg5,181lb
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
60.3s99% target: 262 km/h / 163 mph
Calculated
94.9s99% target: 220 km/h / 137 mph
Calculated
0-100 km/h
4.4s
7.6s
0-200 km/h
15.4s
Calculated
40.5s
Calculated
0-60 mph
4.2s
Calculated
7.2s
Calculated
Fuel consumption
9.3L/100 km25.3mpg US30.4mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
-
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
-
Quarter mile
12.5s
Calculated
15.5s
Calculated
Power-to-weight
243hp/t181kW/t110hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
350Nm/t234lb-ft/ton
Calculated
207Nm/t138lb-ft/ton
Calculated
Estimated range
753km468mi
Calculated
700km435mi
Calculated
Displacement
4,395cc268cu in
3,453cc211cu in
Length
4,894mm193in
4,755mm187in
Width
1,894mm75in
1,725mm68in
Height
1,369mm54in
1,365mm54in
Wheelbase
2,855mm112in
2,626mm103in
Front track
1,600mm63in
1,422mm56in
Rear track
1,665mm66in
1,487mm59in
Ground clearance
124mm5in
-
Trunk volume
460L
415L
Doors
2
2
Seats
4
4
Fuel tank
70L
70L
CO2 emissions
217g/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 rpm2,000-4,500 rpm5,750 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
4.2 s
7.2 s
0-100 km/h
0-62 mph
4.4 s
7.6 s
0-200 km/h
0-124 mph
15.4 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
2.1 s
2.4 s
330 ft
101 m
5.4 s
6.6 s
1/8 mile
201 m
8.2 s
10.0 s
1000 ft
305 m
10.5 s
13.0 s
1/4 mile
402 m
12.5 s
15.5 s
Trap speed
1/4 mile
402 m
183 km/h
114 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
450 hp
336 kW
BMW6 Series (E24)635CSi
218 hp
163 kW

BMW 6 Series Coupe (F13) 650i has 232 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: 232 hp (173 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)650i
650 Nm
479 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
1,855 kg
4,090 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)650i4.4 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: 3.2 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
9.3 L/100 km
25.3 mpg US
30.4 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 Coupe (F13) 650i and BMW 6 Series (E24) 635CSi: 0.7 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
243 hp/t
181 kW/t
4.1 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
753 km
468 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
450 hp
336 kW
4.4 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
450 hp
336 kW
0-100 km/h4.4 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
1,369 mm
53.9 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
450 hp
336 kW
0-100 km/h4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.3 L/100 km
25.3 mpg US
30.4 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
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
4.4 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
243 hp/t
181 kW/t
4.1 kg/hp
9.3 L/100 km
25.3 mpg US
30.4 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
450 hp
336 kW
218 hp
163 kW
Torque
650 Nm
479 lb-ft
310 Nm
229 lb-ft
Acceleration
4.4 s
7.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
222 km/h
138 mph
Lightness
1,855 kg
4,090 lb
1,500 kg
3,307 lb
Fuel consumption
9.3 L/100 km
25.3 mpg US
30.4 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
1,369 mm
53.9 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
753 km
468 mi
700 km
435 mi
CO2 score
217 g/km
-
Trunk score
460 L
16.2 cu ft
415 L
14.7 cu ft
Power-to-weight score
243 hp/t
181 kW/t
4.1 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
Consumption9.3 L/100 km25.3 mpg US30.4 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km16.28 LC100 km17.50 LC100 km
Cost / 100 mi26.19 LC100 mi28.16 LC100 mi
Annual fuel used1,395 L369 US gal307 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost2,441 LC/year2,625 LC/year

Head-to-head comparisons

BMW 6 Series Coupe (F13) 650i

  • Has 232 hp more
  • Has 340 Nm more
  • Is 3.2 s quicker from 0-100 km/h
  • Has 43 km/h (27 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 97 hp/t better power-to-weight
  • Has 53 km (33 mi) more estimated range
  • Has 45 L more trunk volume

Pros

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

Cons

  • Heaviest

BMW 6 Series (E24) 635CSi

  • Is 355 kg lighter

Pros

  • Lightest

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • 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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