The Comparative Analysis :
BMW M3 Coupé M DKG (08 - 13) vs. BMW 420i Coupé Steptronic (17 - ..)
€ 71,800
€ 43,400
€ 71,800
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 dimensions of these vehicles differ a little. The M3 Coupé is 0.9 inches shorter, 0.8 inches narrower and 1.9 inches taller than the 420i Coupé.
M3 Coupé
420i Coupé
56.1
71
77.8
54.2
71.9
79.4
71 in
Width
71.9 in
77.8 in
Width Incl. Mirrors
79.4 in
56.1 in
Height
54.2 in
108.7
181.7
110.6
182.6
181.7 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in
Vehicle Weight
M3 Coupé
420i Coupé
3693 lb
Curb Weight
3461 lb
4586 lb
Gross Vehicle
Weight
Weight
4442 lb
Weight Difference:
231 lb
6.26 %
General
M3 Coupé
420i Coupé
E92
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
M3 Coupé
420i Coupé
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW S65
Engine Series
BMW B48
S65-B40
Engine Code
B48-B20
4
Valves
4
8
Cylinders
4
4 L / 196 cu in
Displacement
2 L / 98 cu in
414 hp
at 8300 rpm
Power
181 hp
at 5000 rpm
M3 Coupé
414 hp
181 hp
420i Coupé
295 lb‑ft
at 3900 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
M3 Coupé
295 lb‑ft
199 lb‑ft
420i Coupé
Performance
M3 Coupé
420i Coupé
155 mph
Maximum Speed
147 mph
4.6 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
210 ft
0.000 sec
M3 Coupé
62 mph
62
mph
mph
341 ft
0.000 sec
420i Coupé
▶ REPLAY
8.92 lb/hp
Weight-to-Power Ratio
19.12 lb/hp
M3 Coupé
8.92 lb/hp
19.12 lb/hp
420i Coupé
Fuel Economy / Emissions
M3 Coupé
420i Coupé
Fuel Economy
20 mpg
combined
40 mpg
M3 Coupé
20 mpg
40 mpg
420i Coupé
14 mpg
city
35 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
329 mi
Range
632 mi
M3 Coupé
329 mi
632 mi
420i Coupé
Environmental Impact
225.5 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).
111.8 kWh
M3 Coupé
225.5 kWh
111.8 kWh
420i Coupé
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
459 g/mi (NEFZ)
CO2 Emissions
278 g/mi (WLTP)
Practical Convenience
M3 Coupé
420i Coupé
2
Doors
2
4
No. of Seats
4
893 lb
Maximum Payload
981 lb
11.3 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data
