The Comparative Analysis :
Mercedes C 250 CDI BlueEFFICIENCY Automatic (09 - 11) vs. BMW 320i Automatic (05 - 07)
€ 41,100
€ 31,000
€ 41,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 31,000
ⓘ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 250 CDI BlueEFFICIENCY is 2.6 inches longer, 1.9 inches narrower and 0.9 inches taller than the BMW 320i.
Mercedes C 250 CDI BlueEFFICIENCY
BMW 320i
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 250 CDI BlueEFFICIENCY
BMW 320i
3560 lb
Curb Weight
3142 lb
4674 lb
Gross Vehicle
Weight
Weight
4123 lb
Weight Difference:
419 lb
11.77 %
General
Mercedes C 250 CDI BlueEFFICIENCY
BMW 320i
W204
Generation
E90
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

5-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes C 250 CDI BlueEFFICIENCY
BMW 320i
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 651
Engine Series
BMW N46
OM 651.911
Engine Code
N46-B20


4
Valves
4
4
Cylinders
4
2.1 L / 103 cu in
Displacement
2 L / 98 cu in
201 hp
at 4200 rpm
Power
148 hp
at 6200 rpm
Mercedes C 250 CDI BlueEFFICIENCY
201 hp
148 hp
BMW 320i
369 lb‑ft
at 1600 rpm
Max. Torque
148 lb‑ft
at 3600 rpm
Mercedes C 250 CDI BlueEFFICIENCY
369 lb‑ft
148 lb‑ft
BMW 320i
Performance
Mercedes C 250 CDI BlueEFFICIENCY
BMW 320i
149 mph
Maximum Speed
134 mph
7 sec
Acceleration 0 to 62 mph
9.7 sec
62 mph
62
mph
mph
318 ft
0.000 sec
Mercedes C 250 CDI BlueEFFICIENCY
62 mph
62
mph
mph
443 ft
0.000 sec
BMW 320i
▶ REPLAY
17.71 lb/hp
Weight-to-Power Ratio
21.23 lb/hp
Mercedes C 250 CDI BlueEFFICIENCY
17.71 lb/hp
21.23 lb/hp
BMW 320i
Fuel Economy / Emissions
Mercedes C 250 CDI BlueEFFICIENCY
BMW 320i
Fuel Economy
42 mpg
combined
30 mpg
Mercedes C 250 CDI BlueEFFICIENCY
42 mpg
30 mpg
BMW 320i
30 mpg
city
21 mpg
55 mpg
highway
No data
15.6 gal
Fuel Tank Capacity
16.6 gal
655 mi
Range
495 mi
Mercedes C 250 CDI BlueEFFICIENCY
655 mi
495 mi
BMW 320i
Environmental Impact
115.2 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).
149.7 kWh
Mercedes C 250 CDI BlueEFFICIENCY
115.2 kWh
149.7 kWh
BMW 320i
Euro 5
Emission Standard
Euro 4
240 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
Mercedes C 250 CDI BlueEFFICIENCY
BMW 320i
4
Doors
4
5
No. of Seats
5
1113 lb
Maximum Payload
981 lb
13.5 cu ft
Trunk Volume
13 cu ft










No data
Cargo Volume (Seats Down)
No data




















