The Comparative Analysis :
BMW 428i Gran Coupé xDrive (14 - 15) vs. Opel Insignia 1.4 LPG ecoFlex (Autogas) (12 - 13)
€ 43,900
€ 31,700
€ 43,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 31,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 428i Gran Coupé is considerably smaller in every dimension. It's 7.6 inches shorter, 1.2 inches narrower and 3.7 inches lower than the Opel Insignia 1.4 LPG ecoFlex.
BMW 428i Gran Coupé
Opel Insignia 1.4 LPG ecoFlex
55.3
71.9
79.4
59
73.1
82
71.9 in
Width
73.1 in
79.4 in
Width Incl. Mirrors
82 in
55.3 in
Height
59 in
110.6
182.6
107.8
190.2
182.6 in
Length
190.2 in
110.6 in
Wheelbase
107.8 in
Vehicle Weight
BMW 428i Gran Coupé
Opel Insignia 1.4 LPG ecoFlex
3649 lb
Curb Weight
3463 lb
4718 lb
Gross Vehicle
Weight
Weight
4685 lb
Weight Difference:
185 lb
5.07 %
General
BMW 428i Gran Coupé
Opel Insignia 1.4 LPG ecoFlex
F36
Generation
G09
Hatchback
Car Body Style
Hatchback
Premium Unleaded
Fuel Type
Autogas (LPG)
Permanent all-wheel drive (AWD)
Drivetrain
Front-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW 428i Gran Coupé
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 428i Gran Coupé
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 428i Gran Coupé
258 lb‑ft
148 lb‑ft
Opel Insignia 1.4 LPG ecoFlex
Performance
BMW 428i Gran Coupé
Opel Insignia 1.4 LPG ecoFlex
155 mph
Maximum Speed
121 mph
5.8 sec
Acceleration 0 to 62 mph
12.4 sec
62 mph
62
mph
mph
266 ft
0.000 sec
BMW 428i Gran Coupé
62 mph
62
mph
mph
564 ft
0.000 sec
Opel Insignia 1.4 LPG ecoFlex
▶ REPLAY
15.08 lb/hp
Weight-to-Power Ratio
25.09 lb/hp
BMW 428i Gran Coupé
15.08 lb/hp
25.09 lb/hp
Opel Insignia 1.4 LPG ecoFlex
Fuel Economy / Emissions
BMW 428i Gran Coupé
Opel Insignia 1.4 LPG ecoFlex
Fuel Economy
35 mpg
combined
31 mpg
BMW 428i Gran Coupé
35 mpg
31 mpg
Opel Insignia 1.4 LPG ecoFlex
26 mpg
city
23 mpg
No data
highway
38 mpg
15.9 gal
Fuel Tank Capacity
11.1 gal
548 mi
Range
344 mi
BMW 428i Gran Coupé
548 mi
344 mi
Opel Insignia 1.4 LPG ecoFlex
Environmental Impact
128.7 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).
112 kWh
BMW 428i Gran Coupé
128.7 kWh
112 kWh
Opel Insignia 1.4 LPG ecoFlex
Euro 6b (NEFZ)
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
200 g/mi (NEFZ)
Practical Convenience
BMW 428i Gran Coupé
Opel Insignia 1.4 LPG ecoFlex
5
Doors
5
5
No. of Seats
5
1069 lb
Maximum Payload
1221 lb
13.6 cu ft
Trunk Volume
15 cu ft
36.8 cu ft
Cargo Volume (Seats Down)
41.5 cu ft
