The Comparative Analysis :

BMW 428i Convertible xDrive Steptronic (14 - 15) vs. Infiniti G 37 Convertible Automatic (09 - 13)

€ 52,900
BMW 428i Convertible xDrive Steptronic (14 - 15) BMW 428i Cabrio
€ 53,000
 Infiniti G 37 Convertible Automatic (09 - 13) Infiniti G Convertible 37
€ 52,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 53,000

ⓘ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. Both cars are the same height, but the BMW 428i Cabrio is 0.9 inches shorter and 1.1 inches narrower.
BMW 428i Cabrio
Infiniti G Convertible 37
55.1
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
71.9
79.4
55.1
Blueprint Infiniti G 37 Convertible Automatic (09 - 13)
72.9
80.8
71.9 in
Width
72.9 in
79.4 in
Width Incl. Mirrors
80.8 in
55.1 in
Height
55.1 in
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
110.6
182.6
Blueprint Infiniti G 37 Convertible Automatic (09 - 13)
112.2
183.5
182.6 in
Length
183.5 in
110.6 in
Wheelbase
112.2 in

Vehicle Weight

BMW 428i Cabrio
Infiniti G Convertible 37
4068 lb
Curb Weight
4184 lb
4894 lb
Gross Vehicle
Weight
4718 lb
BMW 428i Convertible xDrive Steptronic (14 - 15)
Weight Difference:
117 lb
2.8 %
Infiniti G 37 Convertible Automatic (09 - 13)

General

BMW 428i Cabrio
Infiniti G Convertible 37
F33
Generation
CV36
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW 428i Cabrio
Infiniti G Convertible 37
Straight-four gasoline engine with tur­bo­charger
Engine Type
V6 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N20
Engine Series
N20-B20
Engine Code
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3.7 L / 181 cu in
242 hp
at 5000 rpm
Power
316 hp
at 7000 rpm
BMW 428i Cabrio
242 hp
316 hp
Infiniti G Convertible 37
258 lb‑ft
at 1250 rpm
Max. Torque
266 lb‑ft
at 5200 rpm
BMW 428i Cabrio
258 lb‑ft
266 lb‑ft
Infiniti G Convertible 37

Performance

BMW 428i Cabrio
Infiniti G Convertible 37
155 mph
Maximum Speed
155 mph
6.5 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph 62
mph

295 ft
0.000 sec

BMW 428i Cabrio

62 mph 62
mph

292 ft
0.000 sec

Infiniti G Convertible 37

▶ REPLAY
16.81 lb/hp
Weight-to-Power Ratio
13.24 lb/hp
BMW 428i Cabrio
16.81 lb/hp
13.24 lb/hp
Infiniti G Convertible 37

Fuel Economy / Emissions

BMW 428i Cabrio
Infiniti G Convertible 37
Fuel Economy
34 mpg
combined
21 mpg
BMW 428i Cabrio
34 mpg
21 mpg
Infiniti G Convertible 37
26 mpg
city
14 mpg
No data
highway
28 mpg
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
533 mi
Range
436 mi
BMW 428i Cabrio
533 mi
436 mi
Infiniti G Convertible 37
Environmental Impact
132.6 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).
216 kWh
BMW 428i Cabrio
132.6 kWh
216 kWh
Infiniti G Convertible 37
Euro 6b (NEFZ)
Emission Standard
Euro 5
262 g/mi (NEFZ)
CO2 Emissions
425 g/mi (NEFZ)

Practical Convenience

BMW 428i Cabrio
Infiniti G Convertible 37
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
534 lb
10.5 cu ft
Trunk Volume
10.4 cu ft
No data
Cargo Volume (Seats Down)
No data