The Comparative Analysis :
Infiniti G 37 Convertible Automatic (09 - 13) vs. BMW 420i Convertible (16 - 17)
€ 53,000

€ 44,700

€ 53,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 44,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Infiniti G Convertible 37 is a little bigger in every dimension. It's 0.9 inches longer, 1.1 inches wider and 0.6 inches taller than the BMW 420i Cabrio.
Infiniti G Convertible 37
BMW 420i Cabrio
55.1
72.9
80.8
54.5
71.9
79.4
72.9 in
Width
71.9 in
80.8 in
Width Incl. Mirrors
79.4 in
55.1 in
Height
54.5 in
112.2
183.5
110.6
182.6
183.5 in
Length
182.6 in
112.2 in
Wheelbase
110.6 in
Vehicle Weight
Infiniti G Convertible 37
BMW 420i Cabrio
4184 lb
Curb Weight
3913 lb
4718 lb
Gross Vehicle
Weight
Weight
4784 lb

Weight Difference:
271 lb
6.48 %

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

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Infiniti G Convertible 37
BMW 420i Cabrio
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW B48
Engine Code
B48-B20

4
Valves
4
6
Cylinders
4
3.7 L / 181 cu in
Displacement
2 L / 98 cu in
316 hp
at 7000 rpm
Power
181 hp
at 5000 rpm
Infiniti G Convertible 37
316 hp
181 hp
BMW 420i Cabrio
266 lb‑ft
at 5200 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
Infiniti G Convertible 37
266 lb‑ft
199 lb‑ft
BMW 420i Cabrio
Performance
Infiniti G Convertible 37
BMW 420i Cabrio
155 mph
Maximum Speed
143 mph
6.4 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
292 ft
0.000 sec

Infiniti G Convertible 37
62 mph
62
mph
mph
374 ft
0.000 sec

BMW 420i Cabrio
▶ REPLAY
13.24 lb/hp
Weight-to-Power Ratio
21.62 lb/hp
Infiniti G Convertible 37
13.24 lb/hp
21.62 lb/hp
BMW 420i Cabrio
Fuel Economy / Emissions
Infiniti G Convertible 37
BMW 420i Cabrio
Fuel Economy
21 mpg
combined
38 mpg
Infiniti G Convertible 37
21 mpg
38 mpg
BMW 420i Cabrio
14 mpg
city
29 mpg
28 mpg
highway
No data
21.1 gal
Fuel Tank Capacity
15.9 gal
436 mi
Range
601 mi
Infiniti G Convertible 37
436 mi
601 mi
BMW 420i Cabrio
Environmental Impact
216 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).
117.5 kWh
Infiniti G Convertible 37
216 kWh
117.5 kWh
BMW 420i Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
425 g/mi (NEFZ)
CO2 Emissions
233 g/mi (NEFZ)
Practical Convenience
Infiniti G Convertible 37
BMW 420i Cabrio
2
Doors
2
4
No. of Seats
4
534 lb
Maximum Payload
871 lb
10.4 cu ft
Trunk Volume
10.5 cu ft










No data
Cargo Volume (Seats Down)
No data