The Comparative Analysis :
BMW 320si (06 - 07) vs. Audi S4 (05 - 07)
€ 33,000
€ 55,600
€ 33,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 55,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The BMW 320si is 2.6 inches shorter, 1.8 inches wider and 0.2 inches lower than the Audi S4.
BMW 320si
Audi S4
55.9
71.5
78.3
56.2
69.8
76.1
71.5 in
Width
69.8 in
78.3 in
Width Incl. Mirrors
76.1 in
55.9 in
Height
56.2 in
108.7
178
104
180.6
178 in
Length
180.6 in
108.7 in
Wheelbase
104 in
Vehicle Weight
BMW 320si
Audi S4
3075 lb
Curb Weight
3825 lb
4057 lb
Gross Vehicle
Weight
Weight
4872 lb
Weight Difference:
750 lb
19.61 %
General
BMW 320si
Audi S4
E90
Generation
B7 (8E)
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW 320si
Audi S4
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N45
Engine Series
N45-B20
Engine Code
BBK
4
Valves
5
4
Cylinders
8
2 L / 98 cu in
Displacement
4.2 L / 206 cu in
171 hp
at 7000 rpm
Power
339 hp
at 7000 rpm
BMW 320si
171 hp
339 hp
Audi S4
148 lb‑ft
at 4250 rpm
Max. Torque
302 lb‑ft
at 3500 rpm
BMW 320si
148 lb‑ft
302 lb‑ft
Audi S4
Performance
BMW 320si
Audi S4
140 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
371 ft
0.000 sec
BMW 320si
62 mph
62
mph
mph
256 ft
0.000 sec
Audi S4
▶ REPLAY
17.98 lb/hp
Weight-to-Power Ratio
11.28 lb/hp
BMW 320si
17.98 lb/hp
11.28 lb/hp
Audi S4
Fuel Economy / Emissions
BMW 320si
Audi S4
Fuel Economy
26 mpg
combined
18 mpg
BMW 320si
26 mpg
18 mpg
Audi S4
18 mpg
city
12 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
440 mi
Range
295 mi
BMW 320si
440 mi
295 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).
252 kWh
BMW 320si
168.7 kWh
252 kWh
Audi S4
Euro 4
Emission Standard
Euro 4
344 g/mi (NEFZ)
CO2 Emissions
517 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 cu ft
No data
Cargo Volume (Seats Down)
No data
