Car comparison

BMW 4 Series Gran Coupe (F36) 435ivsBMW 6 Series Coupe (F13) 640i

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

New comparison

BMW 4 Series Gran Coupe (F36)

435i

306 hp2979 ccGasolineAWDAutomaticTurbochargedCoupe2014-2016
VS

BMW 6 Series Coupe (F13)

640i

320 hp2979 ccGasolineAWDAutomaticTurbochargedCoupe2013-2015

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (F36) 435i

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,650 kg
    3,638 lb
  • Best power-to-weight
    185 hp/t
    138 kW/t
    5.4 kg/hp
  • Lowest combined fuel consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest highway consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Lowest CO2 emissions
    185 g/km
  • Largest trunk
    480 L
  • Best overall score
    67/100
  • Best economy score
    86/100
  • Best practicality score
    68/100

BMW 6 Series Coupe (F13) 640i

  • Most powerful
    320 hp
    239 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Lowest city consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Best estimated range
    854 km
    530 mi
  • Best performance score
    68/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (F36)435iBMW6 Series Coupe (F13)640i
Power
306hp228kW
320hp239kW
Torque
400Nm295lb-ft
450Nm332lb-ft
Curb weight
1,650kg3,638lb
1,765kg3,891lb
Gross weight
2,210kg4,872lb
2,255kg4,971lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
69.2s99% target: 257 km/h / 160 mph
Calculated
73.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.0s
5.2s
0-200 km/h
18.2s
Calculated
19.1s
Calculated
0-60 mph
4.8s
Calculated
4.9s
Calculated
Fuel consumption
7.9L/100 km29.8mpg US35.8mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption city
11.4L/100 km20.6mpg US24.8mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway
5.9L/100 km39.9mpg US47.9mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
13.2s
Calculated
13.4s
Calculated
Power-to-weight
185hp/t138kW/t84hp/1000 lb
Calculated
181hp/t135kW/t82hp/1000 lb
Calculated
Torque-to-weight
242Nm/t162lb-ft/ton
Calculated
255Nm/t171lb-ft/ton
Calculated
Estimated range
759km472mi
Calculated
854km530mi
Calculated
Displacement
2,979cc182cu in
2,979cc182cu in
Length
4,638mm183in
4,894mm193in
Width
1,825mm72in
1,894mm75in
Height
1,404mm55in
1,369mm54in
Wheelbase
2,810mm111in
2,855mm112in
Front track
1,544mm61in
1,600mm63in
Rear track
1,590mm63in
1,665mm66in
Ground clearance
145mm6in
124mm5in
Trunk volume
480L
460L
Max trunk volume
1,300L
-
Doors
5
2
Seats
5
4
Fuel tank
60L
70L
CO2 emissions
185g/km
191g/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 4 Series Gran Coupe (F36) 435iBMW 6 Series Coupe (F13) 640iPowerTorque
  • BMW 4 Series Gran Coupe (F36) 435i: Power / Torque
  • BMW 6 Series Coupe (F13) 640i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (F36)435i5,800-6,400 rpm1,200-5,000 rpm6,650 rpm
BMW6 Series Coupe (F13)640i5,800-6,000 rpm1,300-4,500 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (F36)435iBMW6 Series Coupe (F13)640i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
4.9 s
0-100 km/h
0-62 mph
5.0 s
5.2 s
0-200 km/h
0-124 mph
18.2 s
19.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.7 s
5.8 s
1/8 mile
201 m
8.6 s
8.7 s
1000 ft
305 m
11.1 s
11.2 s
1/4 mile
402 m
13.2 s
13.4 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i
306 hp
228 kW
BMW6 Series Coupe (F13)640i
320 hp
239 kW

BMW 6 Series Coupe (F13) 640i has 14 hp more than BMW 4 Series Gran Coupe (F36) 435i.

The biggest power difference is between BMW 4 Series Gran Coupe (F36) 435i and BMW 6 Series Coupe (F13) 640i: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i
400 Nm
295 lb-ft
BMW6 Series Coupe (F13)640i
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i
1,650 kg
3,638 lb
BMW6 Series Coupe (F13)640i
1,765 kg
3,891 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series Coupe (F13)640i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i5.0 s
BMW6 Series Coupe (F13)640i5.2 s

Although BMW 6 Series Coupe (F13) 640i has more power, BMW 4 Series Gran Coupe (F36) 435i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 4 Series Gran Coupe (F36) 435i and BMW 6 Series Coupe (F13) 640i: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
BMW6 Series Coupe (F13)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i
185 hp/t
138 kW/t
5.4 kg/hp
BMW6 Series Coupe (F13)640i
181 hp/t
135 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)435i
759 km
472 mi
BMW6 Series Coupe (F13)640i
854 km
530 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (F36)435i
306 hp
228 kW
5.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series Coupe (F13)640i
320 hp
239 kW
5.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
BMW4 Series Gran Coupe (F36)435i
Power
306 hp
228 kW
0-100 km/h5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 in
Height
1,404 mm
55.3 in
BMW6 Series Coupe (F13)640i
Power
320 hp
239 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 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

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
BMW4 Series Gran Coupe (F36)435i
Power
306 hp
228 kW
0-100 km/h5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
BMW6 Series Coupe (F13)640i
Power
320 hp
239 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

BMW 6 Series Coupe (F13) 640i 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
BMW4 Series Gran Coupe (F36)435i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
5.0 s
BMW6 Series Coupe (F13)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
5.2 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
BMW4 Series Gran Coupe (F36)435i
185 hp/t
138 kW/t
5.4 kg/hp
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
BMW6 Series Coupe (F13)640i
181 hp/t
135 kW/t
5.5 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (F36)435iBMW6 Series Coupe (F13)640i
Power
306 hp
228 kW
320 hp
239 kW
Torque
400 Nm
295 lb-ft
450 Nm
332 lb-ft
Acceleration
5.0 s
5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,650 kg
3,638 lb
1,765 kg
3,891 lb
Fuel consumption
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 in
Height
1,404 mm
55.3 in
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
Range score
759 km
472 mi
854 km
530 mi
CO2 score
185 g/km
191 g/km
Trunk score
480 L
17.0 cu ft
460 L
16.2 cu ft
Power-to-weight score
185 hp/t
138 kW/t
5.4 kg/hp
181 hp/t
135 kW/t
5.5 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 4 Series Gran Coupe (F36) 435iBMW 6 Series Coupe (F13) 640i
Consumption7.9 L/100 km29.8 mpg US35.8 mpg UK8.2 L/100 km28.7 mpg US34.4 mpg UK
Cost / 100 km13.83 LC100 km14.35 LC100 km
Cost / 100 mi22.25 LC100 mi23.09 LC100 mi
Annual fuel used1,185 L313 US gal261 UK gal1,230 L325 US gal271 UK gal
Annual fuel cost2,074 LC/year2,153 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (F36) 435i

  • Is 115 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.3 L/100 km less fuel
  • Has 4 hp/t better power-to-weight
  • Has 20 L more trunk volume
  • Emits 6 g/km less CO2

Pros

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

Cons

  • Lowest power

BMW 6 Series Coupe (F13) 640i

  • Has 14 hp more
  • Has 50 Nm more
  • Has 94 km (59 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

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Model
Generation
Engine or modification
BMW 4 Series Gran Coupe (F36) 435i
BMW 6 Series Coupe (F13) 640i
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BMW 4 Series Gran Coupe (F36) 435i vs BMW 6 Series Coupe (F13) 640i - car comparison - FastVsFaster