The Comparative Analysis :
BMW 420i Coupé xDrive (17 - 18) vs. BMW M3 Coupé M DKG (08 - 13)
€ 42,900

€ 71,800

€ 42,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 71,800
ⓘ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 420i Coupé is 0.9 inches longer, 0.8 inches wider and 1.3 inches lower than the M3 Coupé.
420i Coupé
M3 Coupé
54.8
71.9
79.4
56.1
71
77.8
71.9 in
Width
71 in
79.4 in
Width Incl. Mirrors
77.8 in
54.8 in
Height
56.1 in
110.6
182.6
108.7
181.7
182.6 in
Length
181.7 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
420i Coupé
M3 Coupé
3605 lb
Curb Weight
3693 lb
4586 lb
Gross Vehicle
Weight
Weight
4586 lb

Weight Difference:
88 lb
2.38 %

General
420i Coupé
M3 Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
420i Coupé
M3 Coupé
Straight-four gasoline engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW B48
Engine Series
BMW S65
B48-B20
Engine Code
S65-B40

4
Valves
4
4
Cylinders
8
2 L / 98 cu in
Displacement
4 L / 196 cu in
181 hp
at 5000 rpm
Power
414 hp
at 8300 rpm
420i Coupé
181 hp
414 hp
M3 Coupé
199 lb‑ft
at 1350 rpm
Max. Torque
295 lb‑ft
at 3900 rpm
420i Coupé
199 lb‑ft
295 lb‑ft
M3 Coupé
Performance
420i Coupé
M3 Coupé
145 mph
Maximum Speed
155 mph
7.6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
348 ft
0.000 sec

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

M3 Coupé
▶ REPLAY
19.92 lb/hp
Weight-to-Power Ratio
8.92 lb/hp
420i Coupé
19.92 lb/hp
8.92 lb/hp
M3 Coupé
Fuel Economy / Emissions
420i Coupé
M3 Coupé
Fuel Economy
36 mpg
combined
20 mpg
420i Coupé
36 mpg
20 mpg
M3 Coupé
27 mpg
city
14 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
565 mi
Range
329 mi
420i Coupé
565 mi
329 mi
M3 Coupé
Environmental Impact
125 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).
225.5 kWh
420i Coupé
125 kWh
225.5 kWh
M3 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 4
248 g/mi (NEFZ)
CO2 Emissions
459 g/mi (NEFZ)
Practical Convenience
420i Coupé
M3 Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
893 lb
12.6 cu ft
Trunk Volume
11.3 cu ft








No data
Cargo Volume (Seats Down)
No data