The Comparative Analysis :
Mercedes C 350 BlueEFFICIENCY 4MATIC 7G-TRONIC PLUS (11 - 13) vs. Opel Insignia Sedan 1.4 LPG ecoFlex (Gasoline) (12 - 13)
€ 49,700

€ 28,400

€ 49,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 28,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes C 350 BlueEFFICIENCY is considerably smaller in every dimension. It's 9.6 inches shorter, 3.4 inches narrower and 2 inches lower than the Opel Insignia 1.4 LPG ecoFlex.
Mercedes C 350 BlueEFFICIENCY
Opel Insignia 1.4 LPG ecoFlex
57
69.7
79.1
59
73.1
82
69.7 in
Width
73.1 in
79.1 in
Width Incl. Mirrors
82 in
57 in
Height
59 in
108.7
180.6
107.8
190.2
180.6 in
Length
190.2 in
108.7 in
Wheelbase
107.8 in
Vehicle Weight
Mercedes C 350 BlueEFFICIENCY
Opel Insignia 1.4 LPG ecoFlex
3682 lb
Curb Weight
3463 lb
4817 lb
Gross Vehicle
Weight
Weight
4652 lb

Weight Difference:
218 lb
5.92 %

General
Mercedes C 350 BlueEFFICIENCY
Opel Insignia 1.4 LPG ecoFlex
W204
Generation
G09
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Front-wheel drive

7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes C 350 BlueEFFICIENCY
Opel Insignia 1.4 LPG ecoFlex
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four engine with turbocharger
Mercedes-Benz M 276
Engine Series
M 276.957
Engine Code

4
Valves
4
6
Cylinders
4
3.5 L / 171 cu in
Displacement
1.4 L / 69 cu in
302 hp
at 6500 rpm
Power
138 hp
at 4900 rpm
Mercedes C 350 BlueEFFICIENCY
302 hp
138 hp
Opel Insignia 1.4 LPG ecoFlex
273 lb‑ft
at 3500 rpm
Max. Torque
148 lb‑ft
at 1850 rpm
Mercedes C 350 BlueEFFICIENCY
273 lb‑ft
148 lb‑ft
Opel Insignia 1.4 LPG ecoFlex
Performance
Mercedes C 350 BlueEFFICIENCY
Opel Insignia 1.4 LPG ecoFlex
155 mph
Maximum Speed
127 mph
6 sec
Acceleration 0 to 62 mph
10.9 sec
62 mph
62
mph
mph
272 ft
0.000 sec

Mercedes C 350 BlueEFFICIENCY
62 mph
62
mph
mph
495 ft
0.000 sec

Opel Insignia 1.4 LPG ecoFlex
▶ REPLAY
12.19 lb/hp
Weight-to-Power Ratio
25.09 lb/hp
Mercedes C 350 BlueEFFICIENCY
12.19 lb/hp
25.09 lb/hp
Opel Insignia 1.4 LPG ecoFlex
Fuel Economy / Emissions
Mercedes C 350 BlueEFFICIENCY
Opel Insignia 1.4 LPG ecoFlex
Fuel Economy
32 mpg
combined
40 mpg
Mercedes C 350 BlueEFFICIENCY
32 mpg
40 mpg
Opel Insignia 1.4 LPG ecoFlex
24 mpg
city
30 mpg
40 mpg
highway
49 mpg
17.4 gal
Fuel Tank Capacity
18.5 gal
554 mi
Range
737 mi
Mercedes C 350 BlueEFFICIENCY
554 mi
737 mi
Opel Insignia 1.4 LPG ecoFlex
Environmental Impact
140.2 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).
111.8 kWh
Mercedes C 350 BlueEFFICIENCY
140.2 kWh
111.8 kWh
Opel Insignia 1.4 LPG ecoFlex
Euro 5
Emission Standard
Euro 5
280 g/mi (NEFZ)
CO2 Emissions
224 g/mi (NEFZ)
Practical Convenience
Mercedes C 350 BlueEFFICIENCY
Opel Insignia 1.4 LPG ecoFlex
4
Doors
4
5
No. of Seats
5
1135 lb
Maximum Payload
1188 lb
13.5 cu ft
Trunk Volume
14.2 cu ft









No data
Cargo Volume (Seats Down)
No data