The Comparative Analysis :
BMW 320i EfficientDynamics Edition Steptronic (13 - 15) vs. BMW 320si (06 - 07)
€ 36,400

€ 33,000

€ 36,400
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 dimensions of these vehicles differ slightly. The 320i EfficientDynamics Edition is 4.1 inches longer, 0.2 inches narrower and 0.3 inches taller than the 320si.
320i EfficientDynamics Edition
320si
56.3
71.3
80
55.9
71.5
78.3
71.3 in
Width
71.5 in
80 in
Width Incl. Mirrors
78.3 in
56.3 in
Height
55.9 in
110.6
182
108.7
178
182 in
Length
178 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
320i EfficientDynamics Edition
320si
3274 lb
Curb Weight
3075 lb
4321 lb
Gross Vehicle
Weight
Weight
4057 lb

Weight Difference:
198 lb
6.05 %

General
320i EfficientDynamics Edition
320si
F30
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
320i EfficientDynamics Edition
320si
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N13
Engine Series
BMW N45
N13-B16
Engine Code
N45-B20


4
Valves
4
4
Cylinders
4
1.6 L / 78 cu in
Displacement
2 L / 98 cu in
168 hp
at 4800 rpm
Power
171 hp
at 7000 rpm
320i EfficientDynamics Edition
168 hp
171 hp
320si
184 lb‑ft
at 1500 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
320i EfficientDynamics Edition
184 lb‑ft
148 lb‑ft
320si
Performance
320i EfficientDynamics Edition
320si
143 mph
Maximum Speed
140 mph
7.6 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
348 ft
0.000 sec

320i EfficientDynamics Edition
62 mph
62
mph
mph
371 ft
0.000 sec

320si
▶ REPLAY
19.49 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
320i EfficientDynamics Edition
19.49 lb/hp
17.98 lb/hp
320si
Fuel Economy / Emissions
320i EfficientDynamics Edition
320si
Fuel Economy
44 mpg
combined
26 mpg
320i EfficientDynamics Edition
44 mpg
26 mpg
320si
32 mpg
city
18 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
690 mi
Range
440 mi
320i EfficientDynamics Edition
690 mi
440 mi
320si
Environmental Impact
102.4 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
320i EfficientDynamics Edition
102.4 kWh
168.7 kWh
320si
Euro 6b (NEFZ)
Emission Standard
Euro 4
204 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
320i EfficientDynamics Edition
320si
4
Doors
4
5
No. of Seats
5
1047 lb
Maximum Payload
981 lb
13.6 cu ft
Trunk Volume
13 cu ft










No data
Cargo Volume (Seats Down)
No data