The Comparative Analysis :
BMW 420i Coupé (16 - 17) vs. BMW M4 CS Coupé M DKG (17 - 18)
€ 37,600

€ 116,900

€ 37,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 116,900
ⓘ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 0.6 inches lower than the M4 CS Coupé.
420i Coupé
M4 CS Coupé
54.2
71.9
79.4
54.8
73.6
79.3
71.9 in
Width
73.6 in
79.4 in
Width Incl. Mirrors
79.3 in
54.2 in
Height
54.8 in
110.6
182.6
110.7
183.9
182.6 in
Length
183.9 in
110.6 in
Wheelbase
110.7 in
Vehicle Weight
420i Coupé
M4 CS Coupé
3417 lb
Curb Weight
3649 lb
4398 lb
Gross Vehicle
Weight
Weight
4497 lb

Weight Difference:
231 lb
6.33 %

General
420i Coupé
M4 CS Coupé
F32
Generation
F82
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
420i Coupé
M4 CS Coupé
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW B48
Engine Series
BMW S55
B48-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
454 hp
at 6250 rpm
420i Coupé
181 hp
454 hp
M4 CS Coupé
199 lb‑ft
at 1350 rpm
Max. Torque
443 lb‑ft
at 4000 rpm
420i Coupé
199 lb‑ft
443 lb‑ft
M4 CS Coupé
Performance
420i Coupé
M4 CS Coupé
147 mph
Maximum Speed
174 mph
7.3 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
331 ft
0.000 sec

420i Coupé
62 mph
62
mph
mph
177 ft
0.000 sec

M4 CS Coupé
▶ REPLAY
18.88 lb/hp
Weight-to-Power Ratio
8.04 lb/hp
420i Coupé
18.88 lb/hp
8.04 lb/hp
M4 CS Coupé
Fuel Economy / Emissions
420i Coupé
M4 CS Coupé
Fuel Economy
41 mpg
combined
28 mpg
420i Coupé
41 mpg
28 mpg
M4 CS Coupé
31 mpg
city
21 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
642 mi
Range
444 mi
420i Coupé
642 mi
444 mi
M4 CS Coupé
Environmental Impact
109.9 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).
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).
159.2 kWh
420i Coupé
109.9 kWh
159.2 kWh
M4 CS Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
216 g/mi (NEFZ)
CO2 Emissions
317 g/mi (NEFZ)
Practical Convenience
420i Coupé
M4 CS Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
849 lb
12.6 cu ft
Trunk Volume
12.6 cu ft








No data
Cargo Volume (Seats Down)
No data