The Comparative Analysis :
BMW 428i Convertible (14 - 15) vs. BMW M3 Convertible M DKG (08 - 13)
€ 48,200
€ 79,100
€ 48,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,100
ⓘ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 428i Cabrio is 0.9 inches longer, 0.8 inches wider and 0.3 inches lower than the M3 Cabrio.
428i Cabrio
M3 Cabrio
54.5
71.9
79.4
54.8
71
77.8
71.9 in
Width
71 in
79.4 in
Width Incl. Mirrors
77.8 in
54.5 in
Height
54.8 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
428i Cabrio
M3 Cabrio
3869 lb
Curb Weight
4200 lb
4718 lb
Gross Vehicle
Weight
Weight
5027 lb
Weight Difference:
331 lb
7.88 %
General
428i Cabrio
M3 Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
428i Cabrio
M3 Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N20
Engine Series
BMW S65
N20-B20
Engine Code
S65-B40
4
Valves
4
4
Cylinders
8
2 L / 98 cu in
Displacement
4 L / 196 cu in
242 hp
at 5000 rpm
Power
414 hp
at 8300 rpm
428i Cabrio
242 hp
414 hp
M3 Cabrio
258 lb‑ft
at 1250 rpm
Max. Torque
295 lb‑ft
at 3900 rpm
428i Cabrio
258 lb‑ft
295 lb‑ft
M3 Cabrio
Performance
428i Cabrio
M3 Cabrio
155 mph
Maximum Speed
155 mph
6.4 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
292 ft
0.000 sec
428i Cabrio
62 mph
62
mph
mph
233 ft
0.000 sec
M3 Cabrio
▶ REPLAY
15.99 lb/hp
Weight-to-Power Ratio
10.14 lb/hp
428i Cabrio
15.99 lb/hp
10.14 lb/hp
M3 Cabrio
Fuel Economy / Emissions
428i Cabrio
M3 Cabrio
Fuel Economy
35 mpg
combined
19 mpg
428i Cabrio
35 mpg
19 mpg
M3 Cabrio
27 mpg
city
14 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
548 mi
Range
318 mi
428i Cabrio
548 mi
318 mi
M3 Cabrio
Environmental Impact
128.7 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).
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).
233 kWh
428i Cabrio
128.7 kWh
233 kWh
M3 Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
256 g/mi (NEFZ)
CO2 Emissions
472 g/mi (NEFZ)
Practical Convenience
428i Cabrio
M3 Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
827 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
