The Comparative Analysis :
BMW 328i Automatic (12 - 12) vs. Opel Insignia Sedan 1.4 LPG ecoFlex (Gasoline) (13 - 17)
€ 39,700

€ 27,200

€ 39,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 27,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 328i is considerably smaller in every dimension. It's 8.6 inches shorter, 1.8 inches narrower and 2.7 inches lower than the Opel Insignia 1.4 LPG ecoFlex.
BMW 328i
Opel Insignia 1.4 LPG ecoFlex
56.3
71.3
80
59
73.1
82
71.3 in
Width
73.1 in
80 in
Width Incl. Mirrors
82 in
56.3 in
Height
59 in
110.6
182
107.8
190.6
182 in
Length
190.6 in
110.6 in
Wheelbase
107.8 in
Vehicle Weight
BMW 328i
Opel Insignia 1.4 LPG ecoFlex
3318 lb
Curb Weight
3486 lb
4420 lb
Gross Vehicle
Weight
Weight
4652 lb

Weight Difference:
168 lb
4.82 %

General
BMW 328i
Opel Insignia 1.4 LPG ecoFlex
F30
Generation
G09
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Front-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
BMW 328i
Opel Insignia 1.4 LPG ecoFlex
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four engine with turbocharger
BMW N20
Engine Series
N20-B20
Engine Code

4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
1.4 L / 69 cu in
242 hp
at 5000 rpm
Power
138 hp
at 4900 rpm
BMW 328i
242 hp
138 hp
Opel Insignia 1.4 LPG ecoFlex
258 lb‑ft
at 1250 rpm
Max. Torque
148 lb‑ft
at 1850 rpm
BMW 328i
258 lb‑ft
148 lb‑ft
Opel Insignia 1.4 LPG ecoFlex
Performance
BMW 328i
Opel Insignia 1.4 LPG ecoFlex
155 mph
Maximum Speed
121 mph
6.1 sec
Acceleration 0 to 62 mph
11.9 sec
62 mph
62
mph
mph
279 ft
0.000 sec

BMW 328i
62 mph
62
mph
mph
541 ft
0.000 sec

Opel Insignia 1.4 LPG ecoFlex
▶ REPLAY
13.71 lb/hp
Weight-to-Power Ratio
25.26 lb/hp
BMW 328i
13.71 lb/hp
25.26 lb/hp
Opel Insignia 1.4 LPG ecoFlex
Fuel Economy / Emissions
BMW 328i
Opel Insignia 1.4 LPG ecoFlex
Fuel Economy
37 mpg
combined
39 mpg
BMW 328i
37 mpg
39 mpg
Opel Insignia 1.4 LPG ecoFlex
29 mpg
city
29 mpg
No data
highway
47 mpg
15.9 gal
Fuel Tank Capacity
18.5 gal
592 mi
Range
713 mi
BMW 328i
592 mi
713 mi
Opel Insignia 1.4 LPG ecoFlex
Environmental Impact
119.4 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).
115.6 kWh
BMW 328i
119.4 kWh
115.6 kWh
Opel Insignia 1.4 LPG ecoFlex
Euro 5
Emission Standard
Euro 6b (NEFZ)
237 g/mi (NEFZ)
CO2 Emissions
232 g/mi (NEFZ)
Practical Convenience
BMW 328i
Opel Insignia 1.4 LPG ecoFlex
4
Doors
4
5
No. of Seats
5
1102 lb
Maximum Payload
1166 lb
13.6 cu ft
Trunk Volume
14.2 cu ft









No data
Cargo Volume (Seats Down)
No data