The Comparative Analysis :
BMW 320si (06 - 07) vs. Audi S4 S tronic (09 - 11)
€ 33,000
€ 54,600
€ 33,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The BMW 320si is 7.8 inches shorter, 0.4 inches narrower and 0.6 inches taller than the Audi S4.
BMW 320si
Audi S4
55.9
71.5
78.3
55.4
71.9
80.3
71.5 in
Width
71.9 in
78.3 in
Width Incl. Mirrors
80.3 in
55.9 in
Height
55.4 in
108.7
178
110.7
185.7
178 in
Length
185.7 in
108.7 in
Wheelbase
110.7 in
Vehicle Weight
BMW 320si
Audi S4
3075 lb
Curb Weight
3880 lb
4057 lb
Gross Vehicle
Weight
Weight
4927 lb
Weight Difference:
805 lb
20.75 %
General
BMW 320si
Audi S4
E90
Generation
B8 (8K)
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 320si
Audi S4
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with compressor
BMW N45
Engine Series
N45-B20
Engine Code
CAKA, CCBA
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
171 hp
at 7000 rpm
Power
328 hp
at 5500 rpm
BMW 320si
171 hp
328 hp
Audi S4
148 lb‑ft
at 4250 rpm
Max. Torque
325 lb‑ft
at 2900 rpm
BMW 320si
148 lb‑ft
325 lb‑ft
Audi S4
Performance
BMW 320si
Audi S4
140 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
371 ft
0.000 sec
BMW 320si
62 mph
62
mph
mph
243 ft
0.000 sec
Audi S4
▶ REPLAY
17.98 lb/hp
Weight-to-Power Ratio
11.83 lb/hp
BMW 320si
17.98 lb/hp
11.83 lb/hp
Audi S4
Fuel Economy / Emissions
BMW 320si
Audi S4
Fuel Economy
26 mpg
combined
25 mpg
BMW 320si
26 mpg
25 mpg
Audi S4
18 mpg
city
17 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.9 gal
440 mi
Range
423 mi
BMW 320si
440 mi
423 mi
Audi S4
Environmental Impact
168.7 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).
178.2 kWh
BMW 320si
168.7 kWh
178.2 kWh
Audi S4
Euro 4
Emission Standard
Euro 5
344 g/mi (NEFZ)
CO2 Emissions
352 g/mi (NEFZ)
Practical Convenience
BMW 320si
Audi S4
4
Doors
4
5
No. of Seats
5
981 lb
Maximum Payload
1047 lb
13 cu ft
Trunk Volume
13.6 cu ft
No data
Cargo Volume (Seats Down)
No data
