Car comparison

BMW 6 Series Coupe (F13) 650ivsBMW 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 Coupe (F13)

650i

450 hp4395 ccGasolineRWDAutomaticTurbochargedCoupe2012-2015
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 Coupe (F13) 650i

  • Quickest 0-100 km/h
    4.6 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
    251 hp/t
    187 kW/t
    4.0 kg/hp
  • Lowest combined fuel consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Lowest city consumption
    12.4 L/100 km
    19.0 mpg US
    22.8 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Best estimated range
    787 km
    489 mi
  • Largest trunk
    460 L
  • Best overall score
    72/100
  • Best performance score
    80/100
  • Best economy score
    83/100
  • Best practicality score
    54/100

Specification comparison

Specification comparison
ModelBMW6 Series Coupe (F13)650iBMW6 Series (E24)Facelift 1982M 635CSi
Power
450hp336kW
286hp213kW
Torque
650Nm479lb-ft
340Nm251lb-ft
Curb weight
1,795kg3,957lb
1,500kg3,307lb
Gross weight
2,290kg5,049lb
1,850kg4,079lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
255 km/h
158 mph
To 99% top speed
60.3s99% target: 262 km/h / 163 mph
Calculated
90.5s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
4.6s
6.4s
0-200 km/h
15.7s
Calculated
24.5s
Calculated
0-60 mph
4.4s
Calculated
6.1s
Calculated
Fuel consumption
8.9L/100 km26.4mpg US31.7mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption city
12.4L/100 km19mpg US22.8mpg UK
16.5L/100 km14.3mpg US17.1mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
12.7s
Calculated
14.5s
Calculated
Power-to-weight
251hp/t187kW/t114hp/1000 lb
Calculated
191hp/t142kW/t86hp/1000 lb
Calculated
Torque-to-weight
362Nm/t242lb-ft/ton
Calculated
227Nm/t152lb-ft/ton
Calculated
Estimated range
787km489mi
Calculated
619km385mi
Calculated
Displacement
4,395cc268cu in
3,453cc211cu in
Length
4,894mm193in
4,755mm187in
Width
1,894mm75in
1,725mm68in
Height
1,369mm54in
1,355mm53in
Wheelbase
2,855mm112in
2,625mm103in
Front track
1,600mm63in
1,430mm56in
Rear track
1,665mm66in
1,464mm58in
Ground clearance
124mm5in
-
Trunk volume
460L
335L
Doors
2
2
Seats
4
4
Fuel tank
70L
70L
CO2 emissions
206g/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) Facelift 1982 M 635CSiPowerTorque
  • BMW 6 Series Coupe (F13) 650i: 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 Coupe (F13)650i5,500 rpm2,000-4,500 rpm5,750 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 Coupe (F13)650iBMW6 Series (E24)Facelift 1982M 635CSi
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
6.1 s
0-100 km/h
0-62 mph
4.6 s
6.4 s
0-200 km/h
0-124 mph
15.7 s
24.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
255 km/h
158 mph
Drag race simulation
60 ft
18 m
2.1 s
2.4 s
330 ft
101 m
5.5 s
6.3 s
1/8 mile
201 m
8.3 s
9.5 s
1000 ft
305 m
10.7 s
12.2 s
1/4 mile
402 m
12.7 s
14.5 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
160 km/h
99 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)Facelift 1982M 635CSi
286 hp
213 kW

BMW 6 Series Coupe (F13) 650i has 164 hp more than BMW 6 Series (E24) Facelift 1982 M 635CSi.

The biggest power difference is between BMW 6 Series (E24) Facelift 1982 M 635CSi and BMW 6 Series Coupe (F13) 650i: 164 hp (122 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)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 Coupe (F13)650i
1,795 kg
3,957 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 Coupe (F13)650i
Unrestricted
265 km/h165 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 Coupe (F13)650i4.6 s
BMW6 Series (E24)Facelift 1982M 635CSi6.4 s

The biggest 0-100 km/h difference is between BMW 6 Series Coupe (F13) 650i and BMW 6 Series (E24) Facelift 1982 M 635CSi: 1.8 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
8.9 L/100 km
26.4 mpg US
31.7 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 Coupe (F13) 650i and BMW 6 Series (E24) Facelift 1982 M 635CSi: 2.4 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
251 hp/t
187 kW/t
4.0 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 Coupe (F13)650i
787 km
489 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 Coupe (F13)650i
450 hp
336 kW
4.6 s
Unrestricted
265 km/h165 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 Coupe (F13)650i
Power
450 hp
336 kW
0-100 km/h4.6 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)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 Coupe (F13)650i
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.9 L/100 km
26.4 mpg US
31.7 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 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
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
4.6 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 Coupe (F13)650i
251 hp/t
187 kW/t
4.0 kg/hp
8.9 L/100 km
26.4 mpg US
31.7 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 Coupe (F13)650iBMW6 Series (E24)Facelift 1982M 635CSi
Power
450 hp
336 kW
286 hp
213 kW
Torque
650 Nm
479 lb-ft
340 Nm
251 lb-ft
Acceleration
4.6 s
6.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
255 km/h
158 mph
Lightness
1,795 kg
3,957 lb
1,500 kg
3,307 lb
Fuel consumption
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
11.3 L/100 km
20.8 mpg US
25.0 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
335 L
11.8 cu ft
Length
4,755 mm
187.2 in
Height
1,355 mm
53.3 in
Range score
787 km
489 mi
619 km
385 mi
CO2 score
206 g/km
-
Trunk score
460 L
16.2 cu ft
335 L
11.8 cu ft
Power-to-weight score
251 hp/t
187 kW/t
4.0 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 Coupe (F13) 650iBMW 6 Series (E24) Facelift 1982 M 635CSi
Consumption8.9 L/100 km26.4 mpg US31.7 mpg UK11.3 L/100 km20.8 mpg US25 mpg UK
Cost / 100 km15.58 LC100 km19.78 LC100 km
Cost / 100 mi25.07 LC100 mi31.82 LC100 mi
Annual fuel used1,335 L353 US gal294 UK gal1,695 L448 US gal373 UK gal
Annual fuel cost2,336 LC/year2,966 LC/year

Head-to-head comparisons

BMW 6 Series Coupe (F13) 650i

  • Has 164 hp more
  • Has 310 Nm more
  • Is 1.8 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 2.4 L/100 km less fuel
  • Has 60 hp/t better power-to-weight
  • Has 167 km (104 mi) more estimated range
  • Has 125 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

Choose cars to compare

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