The Comparative Analysis :
Infiniti Q50 3.0t Automatic (17 - 18) vs. BMW 320si (06 - 07)
€ 55,600

€ 33,000

€ 55,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 33,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Infiniti Q50 3.0t is considerably bigger in every dimension. It's 11.4 inches longer, 0.1 inches wider and 0.9 inches taller than the BMW 320si.
Infiniti Q50 3.0t
BMW 320si
56.9
71.7
82
55.9
71.5
78.3
71.7 in
Width
71.5 in
82 in
Width Incl. Mirrors
78.3 in
56.9 in
Height
55.9 in
112.2
189.4
108.7
178
189.4 in
Length
178 in
112.2 in
Wheelbase
108.7 in
Vehicle Weight
Infiniti Q50 3.0t
BMW 320si
3966 lb
Curb Weight
3075 lb
4409 lb
Gross Vehicle
Weight
Weight
4057 lb

Weight Difference:
891 lb
22.47 %

General
Infiniti Q50 3.0t
BMW 320si
V37
Generation
E90
Sedan
Car Body Style
Sedan
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 Q50 3.0t
BMW 320si
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
Engine Series
BMW N45
Engine Code
N45-B20

4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
399 hp
at 6400 rpm
Power
171 hp
at 7000 rpm
Infiniti Q50 3.0t
399 hp
171 hp
BMW 320si
350 lb‑ft
at 1600 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
Infiniti Q50 3.0t
350 lb‑ft
148 lb‑ft
BMW 320si
Performance
Infiniti Q50 3.0t
BMW 320si
155 mph
Maximum Speed
140 mph
5.1 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
233 ft
0.000 sec

Infiniti Q50 3.0t
62 mph
62
mph
mph
371 ft
0.000 sec

BMW 320si
▶ REPLAY
9.94 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
Infiniti Q50 3.0t
9.94 lb/hp
17.98 lb/hp
BMW 320si
Fuel Economy / Emissions
Infiniti Q50 3.0t
BMW 320si
Fuel Economy
26 mpg
combined
26 mpg
Infiniti Q50 3.0t
26 mpg
26 mpg
BMW 320si
18 mpg
city
18 mpg
35 mpg
highway
No data
21.1 gal
Fuel Tank Capacity
16.6 gal
546 mi
Range
440 mi
Infiniti Q50 3.0t
546 mi
440 mi
BMW 320si
Environmental Impact
172.4 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).
168.7 kWh
Infiniti Q50 3.0t
172.4 kWh
168.7 kWh
BMW 320si
Euro 6b (NEFZ)
Emission Standard
Euro 4
332 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
Infiniti Q50 3.0t
BMW 320si
4
Doors
4
5
No. of Seats
5
443 lb
Maximum Payload
981 lb
14.2 cu ft
Trunk Volume
13 cu ft









No data
Cargo Volume (Seats Down)
No data