The Comparative Analysis :

BMW 420i Coupé Steptronic (13 - 16) vs. BMW M4 Coupé (18 - 19)

€ 38,900
BMW 420i Coupé Steptronic (13 - 16) 420i Coupé
€ 79,300
 BMW M4 Coupé (18 - 19) M4 Coupé
€ 38,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,300

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

Vehicle Dimensions

The 420i Coupé is a little smaller in every dimension. It's 1.3 inches shorter, 1.8 inches narrower and 0.2 inches lower than the M4 Coupé.
420i Coupé
M4 Coupé
54.2
Blueprint BMW 420i Coupé Steptronic (13 - 16)
71.9
79.4
54.4
Blueprint BMW M4 Coupé (18 - 19)
73.6
79.3
71.9 in
Width
73.6 in
79.4 in
Width Incl. Mirrors
79.3 in
54.2 in
Height
54.4 in
Blueprint BMW 420i Coupé Steptronic (13 - 16)
110.6
182.6
Blueprint BMW M4 Coupé (18 - 19)
110.7
183.9
182.6 in
Length
183.9 in
110.6 in
Wheelbase
110.7 in

Vehicle Weight

420i Coupé
M4 Coupé
3362 lb
Curb Weight
3627 lb
4343 lb
Gross Vehicle
Weight
4497 lb
BMW 420i Coupé Steptronic (13 - 16)
Weight Difference:
265 lb
7.31 %
BMW M4 Coupé (18 - 19)

General

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

Engine

420i Coupé
M4 Coupé
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N20
Engine Series
BMW S55
N20-B20
Engine Code
S55-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
181 hp
at 5000 rpm
Power
425 hp
at 5550 rpm
420i Coupé
181 hp
425 hp
M4 Coupé
199 lb‑ft
at 1250 rpm
Max. Torque
406 lb‑ft
at 2350 rpm
420i Coupé
199 lb‑ft
406 lb‑ft
M4 Coupé

Performance

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

341 ft
0.000 sec

420i Coupé

62 mph 62
mph

197 ft
0.000 sec

M4 Coupé

▶ REPLAY
18.57 lb/hp
Weight-to-Power Ratio
8.53 lb/hp
420i Coupé
18.57 lb/hp
8.53 lb/hp
M4 Coupé

Fuel Economy / Emissions

420i Coupé
M4 Coupé
Fuel Economy
39 mpg
combined
24 mpg
420i Coupé
39 mpg
24 mpg
M4 Coupé
29 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
621 mi
Range
377 mi
420i Coupé
621 mi
377 mi
M4 Coupé
Environmental Impact
113.6 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).
187.5 kWh
420i Coupé
113.6 kWh
187.5 kWh
M4 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
224 g/mi (NEFZ)
CO2 Emissions
378 g/mi (WLTP)

Practical Convenience

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