The Comparative Analysis :
Mercedes C 280 (07 - 11) vs. BMW 320si (06 - 07)
€ 37,400
€ 33,000
€ 37,400
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 Mercedes C 280 is 2.6 inches longer, 1.9 inches narrower and 0.9 inches taller than the BMW 320si.
Mercedes C 280
BMW 320si
56.9
69.7
79.1
55.9
71.5
78.3
69.7 in
Width
71.5 in
79.1 in
Width Incl. Mirrors
78.3 in
56.9 in
Height
55.9 in
108.7
180.6
108.7
178
180.6 in
Length
178 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
Mercedes C 280
BMW 320si
3428 lb
Curb Weight
3075 lb
4497 lb
Gross Vehicle
Weight
Weight
4057 lb
Weight Difference:
353 lb
10.3 %
General
Mercedes C 280
BMW 320si
W204
Generation
E90
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Mercedes C 280
BMW 320si
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
Mercedes-Benz M 272
Engine Series
BMW N45
M 272.947
Engine Code
N45-B20


4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
228 hp
at 6000 rpm
Power
171 hp
at 7000 rpm
Mercedes C 280
228 hp
171 hp
BMW 320si
221 lb‑ft
at 2500 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
Mercedes C 280
221 lb‑ft
148 lb‑ft
BMW 320si
Performance
Mercedes C 280
BMW 320si
155 mph
Maximum Speed
140 mph
7.3 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
331 ft
0.000 sec
Mercedes C 280
62 mph
62
mph
mph
371 ft
0.000 sec
BMW 320si
▶ REPLAY
15.04 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
Mercedes C 280
15.04 lb/hp
17.98 lb/hp
BMW 320si
Fuel Economy / Emissions
Mercedes C 280
BMW 320si
Fuel Economy
26 mpg
combined
26 mpg
Mercedes C 280
26 mpg
26 mpg
BMW 320si
18 mpg
city
18 mpg
35 mpg
highway
No data
17.4 gal
Fuel Tank Capacity
16.6 gal
446 mi
Range
440 mi
Mercedes C 280
446 mi
440 mi
BMW 320si
Environmental Impact
174.3 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
Mercedes C 280
174.3 kWh
168.7 kWh
BMW 320si
Euro 4 / Euro 5
Emission Standard
Euro 4
354 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
Mercedes C 280
BMW 320si
4
Doors
4
5
No. of Seats
5
1069 lb
Maximum Payload
981 lb
13.5 cu ft
Trunk Volume
13 cu ft










No data
Cargo Volume (Seats Down)
No data





















