Car comparison

BMW 4 Series Coupe (F32) · Facelift 2017 440ivsBMW 8 Series (G15) 840d

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

New comparison

BMW 4 Series Coupe (F32) · Facelift 2017

440i

326 hp2998 ccGasolineAWDAutomaticTurbochargedCoupe2017-2020

BMW 8 Series (G15)

840d

320 hp2993 ccDieselAWDAutomaticTurbochargedCoupe2018-2020

Comparison overview

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

BMW 8 Series (G15) 840d

Highest torque
680 Nm
502 lb-ft
Lowest combined fuel consumption
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Lowest city consumption
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Lowest highway consumption
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
Lowest CO2 emissions
164 g/km
Best estimated range
1,097 km
682 mi
Best overall score
67/100
Best performance score
74/100
Best economy score
90/100

BMW 4 Series Coupe (F32) Facelift 2017 440i

Quickest 0-100 km/h
4.9 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
326 hp
243 kW
Lightest
1,625 kg
3,583 lb
Best power-to-weight
201 hp/t
150 kW/t
5.0 kg/hp
Largest trunk
445 L
Best practicality score
53/100

Specification comparison

Specification comparison
Model	BMW4 Series Coupe (F32)Facelift 2017440i	BMW8 Series (G15)840d
Power	326hp243kW	320hp239kW
Torque	450Nm332lb-ft	680Nm502lb-ft
Curb weight	1,625kg3,583lb	1,830kg4,034lb
Gross weight	2,145kg4,729lb	2,370kg5,225lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	68.2s99% target: 262 km/h / 163 mph Calculated	70.4s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.9s	4.9s
0-200 km/h	17.3s Calculated	17.5s Calculated
0-60 mph	4.7s Calculated	4.7s Calculated
Fuel consumption	7.3L/100 km32.2mpg US38.7mpg UK	6.2L/100 km37.9mpg US45.6mpg UK
Fuel consumption city	9.7L/100 km24.2mpg US29.1mpg UK	7.6L/100 km30.9mpg US37.2mpg UK
Fuel consumption highway	5.9L/100 km39.9mpg US47.9mpg UK	5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile	13.0s Calculated	13.0s Calculated
Power-to-weight	201hp/t150kW/t91hp/1000 lb Calculated	175hp/t130kW/t79hp/1000 lb Calculated
Torque-to-weight	277Nm/t185lb-ft/ton Calculated	372Nm/t249lb-ft/ton Calculated
Estimated range	822km511mi Calculated	1,097km682mi Calculated
Displacement	2,998cc183cu in	2,993cc183cu in
Length	4,640mm183in	4,843mm191in
Width	1,825mm72in	1,902mm75in
Height	1,392mm55in	1,341mm53in
Wheelbase	2,810mm111in	2,822mm111in
Front track	1,543mm61in	1,627mm64in
Rear track	1,589mm63in	1,642mm65in
Ground clearance	145mm6in	121mm5in
Trunk volume	445L	420L
Doors	2	2
Seats	4	4
Fuel tank	60L	68L
CO2 emissions	169g/km	164g/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) Facelift 2017 440iBMW 8 Series (G15) 840dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Coupe (F32)Facelift 2017440i	5,500 rpm	1,380-5,000 rpm	5,750 rpm
BMW8 Series (G15)840d	4,400 rpm	1,750-2,250 rpm	4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Coupe (F32)Facelift 2017440i	BMW8 Series (G15)840d
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.7 s	4.7 s
0-100 km/h 0-62 mph	4.9 s	4.9 s
0-200 km/h 0-124 mph	17.3 s	17.5 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.1 s
330 ft 101 m	5.7 s	5.6 s
1/8 mile 201 m	8.5 s	8.5 s
1000 ft 305 m	11.0 s	11.0 s
1/4 mile 402 m	13.0 s	13.0 s
Trap speed 1/4 mile 402 m	177 km/h 110 mph	176 km/h 109 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	326 hp 243 kW
BMW8 Series (G15)840d	320 hp 239 kW

BMW 4 Series Coupe (F32) Facelift 2017 440i has 6 hp more than BMW 8 Series (G15) 840d.

The biggest power difference is between BMW 8 Series (G15) 840d and BMW 4 Series Coupe (F32) Facelift 2017 440i: 6 hp (4 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	450 Nm 332 lb-ft
BMW8 Series (G15)840d	680 Nm 502 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	1,625 kg 3,583 lb
BMW8 Series (G15)840d	1,830 kg 4,034 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW8 Series (G15)840d	Unrestricted 265 km/h165 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
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	4.9 s
BMW8 Series (G15)840d	4.9 s

Fuel consumption comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	7.3 L/100 km 32.2 mpg US 38.7 mpg UK
BMW8 Series (G15)840d	6.2 L/100 km 37.9 mpg US 45.6 mpg UK

The biggest fuel consumption difference is between BMW 8 Series (G15) 840d and BMW 4 Series Coupe (F32) Facelift 2017 440i: 1.1 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	201 hp/t 150 kW/t 5.0 kg/hp
BMW8 Series (G15)840d	175 hp/t 130 kW/t 5.7 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (F32)Facelift 2017440i	822 km 511 mi
BMW8 Series (G15)840d	1,097 km 682 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW4 Series Coupe (F32)Facelift 2017440i	326 hp 243 kW	4.9 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW8 Series (G15)840d	320 hp 239 kW	4.9 s	Unrestricted 265 km/h165 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.

Vehicle

Performance score

Practicality score

BMW4 Series Coupe (F32)Facelift 2017440i

Power	326 hp 243 kW
0-100 km/h	4.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	445 L 15.7 cu ft
Length	4,640 mm 182.7 in
Height	1,392 mm 54.8 in

BMW8 Series (G15)840d

Power	320 hp 239 kW
0-100 km/h	4.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	420 L 14.8 cu ft
Length	4,843 mm 190.7 in
Height	1,341 mm 52.8 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

BMW4 Series Coupe (F32)Facelift 2017440i

Power	326 hp 243 kW
0-100 km/h	4.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

7.3 L/100 km

32.2 mpg US

38.7 mpg UK

BMW8 Series (G15)840d

Power	320 hp 239 kW
0-100 km/h	4.9 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

6.2 L/100 km

37.9 mpg US

45.6 mpg UK

BMW 8 Series (G15) 840d 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW4 Series Coupe (F32)Facelift 2017440i	7.3 L/100 km 32.2 mpg US 38.7 mpg UK	4.9 s
BMW8 Series (G15)840d	6.2 L/100 km 37.9 mpg US 45.6 mpg UK	4.9 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW4 Series Coupe (F32)Facelift 2017440i	201 hp/t 150 kW/t 5.0 kg/hp	7.3 L/100 km 32.2 mpg US 38.7 mpg UK
BMW8 Series (G15)840d	175 hp/t 130 kW/t 5.7 kg/hp	6.2 L/100 km 37.9 mpg US 45.6 mpg UK

Detailed score breakdown

Vehicle

BMW4 Series Coupe (F32)Facelift 2017440i

BMW8 Series (G15)840d

Power

326 hp

243 kW

320 hp

239 kW

Torque

450 Nm

332 lb-ft

680 Nm

502 lb-ft

Acceleration

4.9 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,625 kg

3,583 lb

1,830 kg

4,034 lb

Fuel consumption

7.3 L/100 km

32.2 mpg US

38.7 mpg UK

6.2 L/100 km

37.9 mpg US

45.6 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	445 L 15.7 cu ft
Length	4,640 mm 182.7 in
Height	1,392 mm 54.8 in

Doors/seats	2 doors 4 seats
Trunk	420 L 14.8 cu ft
Length	4,843 mm 190.7 in
Height	1,341 mm 52.8 in

Range score

822 km

511 mi

1,097 km

682 mi

CO2 score

169 g/km

164 g/km

Trunk score

445 L

15.7 cu ft

420 L

14.8 cu ft

Power-to-weight score

201 hp/t

150 kW/t

5.0 kg/hp

175 hp/t

130 kW/t

5.7 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	BMW 4 Series Coupe (F32) Facelift 2017 440i	BMW 8 Series (G15) 840d
Consumption	7.3 L/100 km32.2 mpg US38.7 mpg UK	6.2 L/100 km37.9 mpg US45.6 mpg UK
Cost / 100 km	12.78 LC100 km	10.85 LC100 km
Cost / 100 mi	20.56 LC100 mi	17.46 LC100 mi
Annual fuel used	1,095 L289 US gal241 UK gal	930 L246 US gal205 UK gal
Annual fuel cost	1,916 LC/year	1,628 LC/year