The Comparative Analysis :
BMW 420i Convertible (14 - 16) vs. Infiniti G 37 Convertible (09 - 11)
€ 43,900

€ 50,800

€ 43,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 420i Cabrio is a little smaller in every dimension. It's 0.9 inches shorter, 1.1 inches narrower and 0.6 inches lower than the Infiniti G Convertible 37.
BMW 420i Cabrio
Infiniti G Convertible 37
54.5
71.9
79.4
55.1
72.9
80.8
71.9 in
Width
72.9 in
79.4 in
Width Incl. Mirrors
80.8 in
54.5 in
Height
55.1 in
110.6
182.6
112.2
183.5
182.6 in
Length
183.5 in
110.6 in
Wheelbase
112.2 in
Vehicle Weight
BMW 420i Cabrio
Infiniti G Convertible 37
3803 lb
Curb Weight
4162 lb
4674 lb
Gross Vehicle
Weight
Weight
4674 lb

Weight Difference:
359 lb
8.62 %

General
BMW 420i Cabrio
Infiniti G Convertible 37
F33
Generation
CV36
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW 420i 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
181 hp
at 5000 rpm
Power
316 hp
at 7000 rpm
BMW 420i Cabrio
181 hp
316 hp
Infiniti G Convertible 37
199 lb‑ft
at 1250 rpm
Max. Torque
266 lb‑ft
at 5200 rpm
BMW 420i Cabrio
199 lb‑ft
266 lb‑ft
Infiniti G Convertible 37
Performance
BMW 420i Cabrio
Infiniti G Convertible 37
143 mph
Maximum Speed
155 mph
8.2 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
374 ft
0.000 sec

BMW 420i Cabrio
62 mph
62
mph
mph
282 ft
0.000 sec

Infiniti G Convertible 37
▶ REPLAY
21.01 lb/hp
Weight-to-Power Ratio
13.17 lb/hp
BMW 420i Cabrio
21.01 lb/hp
13.17 lb/hp
Infiniti G Convertible 37
Fuel Economy / Emissions
BMW 420i Cabrio
Infiniti G Convertible 37
Fuel Economy
36 mpg
combined
20 mpg
BMW 420i Cabrio
36 mpg
20 mpg
Infiniti G Convertible 37
26 mpg
city
14 mpg
No data
highway
26 mpg
15.9 gal
Fuel Tank Capacity
21.1 gal
565 mi
Range
418 mi
BMW 420i Cabrio
565 mi
418 mi
Infiniti G Convertible 37
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
BMW 420i Cabrio
125 kWh
225.5 kWh
Infiniti G Convertible 37
Euro 6b (NEFZ)
Emission Standard
Euro 5
248 g/mi (NEFZ)
CO2 Emissions
443 g/mi (NEFZ)
Practical Convenience
BMW 420i Cabrio
Infiniti G Convertible 37
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
511 lb
10.5 cu ft
Trunk Volume
10.4 cu ft










No data
Cargo Volume (Seats Down)
No data