The Comparative Analysis :

BMW M4 Coupé (14 - 17) vs. BMW 420i Coupé Steptronic (17 - ..)

€ 73,700
BMW M4 Coupé (14 - 17) M4 Coupé
€ 43,400
 BMW 420i Coupé Steptronic (17 - ..) 420i Coupé
€ 73,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,400

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The M4 Coupé is a little bigger in every dimension. It's 1.3 inches longer, 1.8 inches wider and 0.2 inches taller than the 420i Coupé.
M4 Coupé
420i Coupé
54.4
Blueprint BMW M4 Coupé (14 - 17)
73.6
79.3
54.2
Blueprint BMW 420i Coupé Steptronic (17 - ..)
71.9
79.4
73.6 in
Width
71.9 in
79.3 in
Width Incl. Mirrors
79.4 in
54.4 in
Height
54.2 in
Blueprint BMW M4 Coupé (14 - 17)
110.7
183.9
Blueprint BMW 420i Coupé Steptronic (17 - ..)
110.6
182.6
183.9 in
Length
182.6 in
110.7 in
Wheelbase
110.6 in

Vehicle Weight

M4 Coupé
420i Coupé
3466 lb
Curb Weight
3461 lb
4497 lb
Gross Vehicle
Weight
4442 lb
BMW M4 Coupé (14 - 17)
Weight Difference:
4 lb
0.12 %
BMW 420i Coupé Steptronic (17 - ..)

General

M4 Coupé
420i Coupé
F82
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

M4 Coupé
420i Coupé
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW S55
Engine Series
BMW B48
S55-B30
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
425 hp
at 5500 rpm
Power
181 hp
at 5000 rpm
M4 Coupé
425 hp
181 hp
420i Coupé
406 lb‑ft
at 1850 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
M4 Coupé
406 lb‑ft
199 lb‑ft
420i Coupé

Performance

M4 Coupé
420i Coupé
155 mph
Maximum Speed
147 mph
4.3 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph 62
mph

197 ft
0.000 sec

M4 Coupé

62 mph 62
mph

341 ft
0.000 sec

420i Coupé

▶ REPLAY
8.16 lb/hp
Weight-to-Power Ratio
19.12 lb/hp
M4 Coupé
8.16 lb/hp
19.12 lb/hp
420i Coupé

Fuel Economy / Emissions

M4 Coupé
420i Coupé
Fuel Economy
27 mpg
combined
40 mpg
M4 Coupé
27 mpg
40 mpg
420i Coupé
20 mpg
city
35 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
424 mi
Range
632 mi
M4 Coupé
424 mi
632 mi
420i Coupé
Environmental Impact
166.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
111.8 kWh
M4 Coupé
166.7 kWh
111.8 kWh
420i Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
328 g/mi (NEFZ)
CO2 Emissions
278 g/mi (WLTP)

Practical Convenience

M4 Coupé
420i Coupé
2
Doors
2
4
No. of Seats
4
1032 lb
Maximum Payload
981 lb
12.6 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data