Car comparison

BMW 4 Series Coupe (F32) 430dvsBMW 6 Series Coupe (F13) 640i

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

New comparison

BMW 4 Series Coupe (F32)

430d

258 hp2993 ccDieselRWDAutomaticTurbochargedCoupe2014-2016
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 Coupe (F32) 430d

  • Quickest 0-100 km/h
    5.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    560 Nm
    413 lb-ft
  • Lightest
    1,615 kg
    3,560 lb
  • Lowest combined fuel consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest city consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest highway consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Lowest CO2 emissions
    141 g/km
  • Best estimated range
    1,056 km
    656 mi
  • Best performance score
    68/100
  • Best economy score
    92/100

BMW 6 Series Coupe (F13) 640i

  • Most powerful
    320 hp
    239 kW
  • Best power-to-weight
    181 hp/t
    135 kW/t
    5.5 kg/hp
  • Largest trunk
    460 L
  • Best overall score
    64/100
  • Best practicality score
    54/100

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (F32)430dBMW6 Series Coupe (F13)640i
Power
258hp192kW
320hp239kW
Torque
560Nm413lb-ft
450Nm332lb-ft
Curb weight
1,615kg3,560lb
1,765kg3,891lb
Gross weight
2,135kg4,707lb
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
73.1s99% target: 257 km/h / 160 mph
Calculated
73.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.2s
5.2s
0-200 km/h
19.1s
Calculated
19.1s
Calculated
0-60 mph
4.9s
Calculated
4.9s
Calculated
Fuel consumption
5.4L/100 km43.6mpg US52.3mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption city
6.2L/100 km37.9mpg US45.6mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway
4.9L/100 km48mpg US57.6mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
13.4s
Calculated
13.4s
Calculated
Power-to-weight
160hp/t119kW/t72hp/1000 lb
Calculated
181hp/t135kW/t82hp/1000 lb
Calculated
Torque-to-weight
347Nm/t232lb-ft/ton
Calculated
255Nm/t171lb-ft/ton
Calculated
Estimated range
1,056km656mi
Calculated
854km530mi
Calculated
Displacement
2,993cc183cu in
2,979cc182cu in
Length
4,638mm183in
4,894mm193in
Width
1,825mm72in
1,894mm75in
Height
1,392mm55in
1,369mm54in
Wheelbase
2,810mm111in
2,855mm112in
Front track
1,545mm61in
1,600mm63in
Rear track
1,594mm63in
1,665mm66in
Ground clearance
145mm6in
124mm5in
Trunk volume
445L
460L
Doors
2
2
Seats
4
4
Fuel tank
57L
70L
CO2 emissions
141g/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 Coupe (F32) 430dBMW 6 Series Coupe (F13) 640iPowerTorque
  • BMW 4 Series Coupe (F32) 430d: Power / Torque
  • BMW 6 Series Coupe (F13) 640i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (F32)430d4,000 rpm1,500-3,000 rpm4,250 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 Coupe (F32)430dBMW6 Series Coupe (F13)640i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
4.9 s
0-100 km/h
0-62 mph
5.2 s
5.2 s
0-200 km/h
0-124 mph
19.1 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
2.2 s
2.2 s
330 ft
101 m
5.8 s
5.8 s
1/8 mile
201 m
8.7 s
8.7 s
1000 ft
305 m
11.2 s
11.2 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
BMW4 Series Coupe (F32)430d
258 hp
192 kW
BMW6 Series Coupe (F13)640i
320 hp
239 kW

BMW 6 Series Coupe (F13) 640i has 62 hp more than BMW 4 Series Coupe (F32) 430d.

The biggest power difference is between BMW 4 Series Coupe (F32) 430d and BMW 6 Series Coupe (F13) 640i: 62 hp (46 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)430d
560 Nm
413 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 Coupe (F32)430d
1,615 kg
3,560 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 Coupe (F32)430d
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 Coupe (F32)430d5.2 s
BMW6 Series Coupe (F13)640i5.2 s

Although BMW 6 Series Coupe (F13) 640i has more power, BMW 4 Series Coupe (F32) 430d is quicker from 0-100 km/h.

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 Coupe (F32)430d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
BMW6 Series Coupe (F13)640i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (F32) 430d and BMW 6 Series Coupe (F13) 640i: 2.8 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
BMW4 Series Coupe (F32)430d
160 hp/t
119 kW/t
6.3 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 Coupe (F32)430d
1,056 km
656 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 Coupe (F32)430d
258 hp
192 kW
5.2 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 Coupe (F32)430d
Power
258 hp
192 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
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,392 mm
54.8 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 Coupe (F32)430d
Power
258 hp
192 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
5.4 L/100 km
43.6 mpg US
52.3 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 4 Series Coupe (F32) 430d 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 Coupe (F32)430d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
5.2 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 Coupe (F32)430d
160 hp/t
119 kW/t
6.3 kg/hp
5.4 L/100 km
43.6 mpg US
52.3 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 Coupe (F32)430dBMW6 Series Coupe (F13)640i
Power
258 hp
192 kW
320 hp
239 kW
Torque
560 Nm
413 lb-ft
450 Nm
332 lb-ft
Acceleration
5.2 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
1,615 kg
3,560 lb
1,765 kg
3,891 lb
Fuel consumption
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,392 mm
54.8 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
1,056 km
656 mi
854 km
530 mi
CO2 score
141 g/km
191 g/km
Trunk score
445 L
15.7 cu ft
460 L
16.2 cu ft
Power-to-weight score
160 hp/t
119 kW/t
6.3 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 Coupe (F32) 430dBMW 6 Series Coupe (F13) 640i
Consumption5.4 L/100 km43.6 mpg US52.3 mpg UK8.2 L/100 km28.7 mpg US34.4 mpg UK
Cost / 100 km9.45 LC100 km14.35 LC100 km
Cost / 100 mi15.21 LC100 mi23.09 LC100 mi
Annual fuel used810 L214 US gal178 UK gal1,230 L325 US gal271 UK gal
Annual fuel cost1,418 LC/year2,153 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (F32) 430d

  • Has 110 Nm more
  • Is 150 kg lighter
  • Uses 2.8 L/100 km less fuel
  • Has 202 km (125 mi) more estimated range
  • Emits 50 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Smallest trunk

BMW 6 Series Coupe (F13) 640i

  • Has 62 hp more
  • Has 22 hp/t better power-to-weight
  • Has 15 L more trunk volume

Pros

  • Most powerful
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (F32) 430d
BMW 6 Series Coupe (F13) 640i
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BMW 4 Series Coupe (F32) 430d vs BMW 6 Series Coupe (F13) 640i - car comparison - FastVsFaster