Car comparison

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

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

New comparison

BMW 6 Series Coupe (F13)

640i

320 hp2979 ccGasolineAWDAutomaticTurbochargedCoupe2013-2015
VS

BMW 4 Series Gran Coupe (F36)

435i

306 hp2979 ccGasolineAWDManualTurbochargedCoupe2014-2016

Comparison overview

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

Best choices

BMW 6 Series Coupe (F13) 640i

  • Quickest 0-100 km/h
    5.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    320 hp
    239 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest city consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    191 g/km
  • Best estimated range
    854 km
    530 mi
  • Best performance score
    68/100
  • Best economy score
    85/100

BMW 4 Series Gran Coupe (F36) 435i

  • Lightest
    1,640 kg
    3,616 lb
  • Best power-to-weight
    187 hp/t
    139 kW/t
    5.4 kg/hp
  • Largest trunk
    480 L
  • Best overall score
    67/100
  • Best practicality score
    68/100

Specification comparison

Specification comparison
ModelBMW6 Series Coupe (F13)640iBMW4 Series Gran Coupe (F36)435i
Power
320hp239kW
306hp228kW
Torque
450Nm332lb-ft
400Nm295lb-ft
Curb weight
1,765kg3,891lb
1,640kg3,616lb
Gross weight
2,255kg4,971lb
2,200kg4,850lb
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
73.6s99% target: 257 km/h / 160 mph
Calculated
73.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.2s
5.3s
0-200 km/h
19.1s
Calculated
19.3s
Calculated
0-60 mph
4.9s
Calculated
5.0s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Fuel consumption city
11.2L/100 km21mpg US25.2mpg UK
11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
13.4s
Calculated
13.4s
Calculated
Power-to-weight
181hp/t135kW/t82hp/1000 lb
Calculated
187hp/t139kW/t85hp/1000 lb
Calculated
Torque-to-weight
255Nm/t171lb-ft/ton
Calculated
244Nm/t163lb-ft/ton
Calculated
Estimated range
854km530mi
Calculated
706km439mi
Calculated
Displacement
2,979cc182cu in
2,979cc182cu in
Length
4,894mm193in
4,638mm183in
Width
1,894mm75in
1,825mm72in
Height
1,369mm54in
1,404mm55in
Wheelbase
2,855mm112in
2,810mm111in
Front track
1,600mm63in
1,544mm61in
Rear track
1,665mm66in
1,590mm63in
Ground clearance
124mm5in
145mm6in
Trunk volume
460L
480L
Max trunk volume-
1,300L
Doors
2
5
Seats
4
5
Fuel tank
70L
60L
CO2 emissions
191g/km
198g/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) 640iBMW 4 Series Gran Coupe (F36) 435iPowerTorque
  • BMW 6 Series Coupe (F13) 640i: Power / Torque
  • BMW 4 Series Gran Coupe (F36) 435i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series Coupe (F13)640i5,800-6,000 rpm1,300-4,500 rpm6,250 rpm
BMW4 Series Gran Coupe (F36)435i5,800-6,400 rpm1,200-5,000 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series Coupe (F13)640iBMW4 Series Gran Coupe (F36)435i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.0 s
0-100 km/h
0-62 mph
5.2 s
5.3 s
0-200 km/h
0-124 mph
19.1 s
19.3 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
2.2 s
2.2 s
330 ft
101 m
5.8 s
5.8 s
1/8 mile
201 m
8.7 s
8.8 s
1000 ft
305 m
11.2 s
11.3 s
1/4 mile
402 m
13.4 s
13.4 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)640i
320 hp
239 kW
BMW4 Series Gran Coupe (F36)435i
306 hp
228 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
BMW6 Series Coupe (F13)640i
450 Nm
332 lb-ft
BMW4 Series Gran Coupe (F36)435i
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series Coupe (F13)640i
1,765 kg
3,891 lb
BMW4 Series Gran Coupe (F36)435i
1,640 kg
3,616 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)640i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Gran Coupe (F36)435i
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
BMW6 Series Coupe (F13)640i5.2 s
BMW4 Series Gran Coupe (F36)435i5.3 s

The biggest 0-100 km/h difference is between BMW 6 Series Coupe (F13) 640i and BMW 4 Series Gran Coupe (F36) 435i: 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 Coupe (F13)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW4 Series Gran Coupe (F36)435i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

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)640i
181 hp/t
135 kW/t
5.5 kg/hp
BMW4 Series Gran Coupe (F36)435i
187 hp/t
139 kW/t
5.4 kg/hp

Estimated range comparison

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

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series Coupe (F13)640i
320 hp
239 kW
5.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Gran Coupe (F36)435i
306 hp
228 kW
5.3 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
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
BMW4 Series Gran Coupe (F36)435i
Power
306 hp
228 kW
0-100 km/h5.3 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

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)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
BMW4 Series Gran Coupe (F36)435i
Power
306 hp
228 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.5 L/100 km
27.7 mpg US
33.2 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
BMW6 Series Coupe (F13)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
5.2 s
BMW4 Series Gran Coupe (F36)435i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
5.3 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)640i
181 hp/t
135 kW/t
5.5 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW4 Series Gran Coupe (F36)435i
187 hp/t
139 kW/t
5.4 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series Coupe (F13)640iBMW4 Series Gran Coupe (F36)435i
Power
320 hp
239 kW
306 hp
228 kW
Torque
450 Nm
332 lb-ft
400 Nm
295 lb-ft
Acceleration
5.2 s
5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,765 kg
3,891 lb
1,640 kg
3,616 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
8.5 L/100 km
27.7 mpg US
33.2 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
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
Range score
854 km
530 mi
706 km
439 mi
CO2 score
191 g/km
198 g/km
Trunk score
460 L
16.2 cu ft
480 L
17.0 cu ft
Power-to-weight score
181 hp/t
135 kW/t
5.5 kg/hp
187 hp/t
139 kW/t
5.4 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) 640iBMW 4 Series Gran Coupe (F36) 435i
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK8.5 L/100 km27.7 mpg US33.2 mpg UK
Cost / 100 km14.35 LC100 km14.88 LC100 km
Cost / 100 mi23.09 LC100 mi23.94 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,275 L337 US gal280 UK gal
Annual fuel cost2,153 LC/year2,231 LC/year

Head-to-head comparisons

BMW 6 Series Coupe (F13) 640i

  • Has 14 hp more
  • Has 50 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 0.3 L/100 km less fuel
  • Has 148 km (92 mi) more estimated range
  • Emits 7 g/km less CO2

Pros

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

Cons

  • Heaviest
  • Smallest trunk

BMW 4 Series Gran Coupe (F36) 435i

  • Is 125 kg lighter
  • Has 5 hp/t better power-to-weight
  • Has 20 L more trunk volume

Pros

  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Highest CO2 emissions

Choose cars to compare

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