The Comparative Analysis :
BMW 125i (15 - 16) vs. Opel Astra 1.4 ECOTEC CNG (17 - 18)
€ 31,500

€ 25,100

€ 31,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 25,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 125i is slightly smaller in every dimension. It's 1.6 inches shorter, 1.7 inches narrower and 2.5 inches lower than the Opel Astra 1.4 ECOTEC CNG.
BMW 125i
Opel Astra 1.4 ECOTEC CNG
55.9
69.5
78.1
58.5
71.2
80.4
69.5 in
Width
71.2 in
78.1 in
Width Incl. Mirrors
80.4 in
55.9 in
Height
58.5 in
105.9
170.4
104.8
172
170.4 in
Length
172 in
105.9 in
Wheelbase
104.8 in
Vehicle Weight
BMW 125i
Opel Astra 1.4 ECOTEC CNG
3142 lb
Curb Weight
3007 lb
4222 lb
Gross Vehicle
Weight
Weight
4167 lb

Weight Difference:
134 lb
4.27 %

General
BMW 125i
Opel Astra 1.4 ECOTEC CNG
F21
Generation
B-K
Hatchback
Car Body Style
Hatchback
Premium Unleaded
Fuel Type
Natural Gas (CNG)

Rear-wheel drive
Drivetrain
Front-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW 125i
Opel Astra 1.4 ECOTEC CNG
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four engine (naturally aspirated engine)
BMW
Engine Series
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
1.4 L / 69 cu in
215 hp
at 5000 rpm
Power
108 hp
at 5600 rpm
BMW 125i
215 hp
108 hp
Opel Astra 1.4 ECOTEC CNG
229 lb‑ft
at 1350 rpm
Max. Torque
148 lb‑ft
at 2000 rpm
BMW 125i
229 lb‑ft
148 lb‑ft
Opel Astra 1.4 ECOTEC CNG
Performance
BMW 125i
Opel Astra 1.4 ECOTEC CNG
152 mph
Maximum Speed
124 mph
6.4 sec
Acceleration 0 to 62 mph
10.9 sec
62 mph
62
mph
mph
292 ft
0.000 sec

BMW 125i
62 mph
62
mph
mph
495 ft
0.000 sec

Opel Astra 1.4 ECOTEC CNG
▶ REPLAY
14.61 lb/hp
Weight-to-Power Ratio
27.84 lb/hp
BMW 125i
14.61 lb/hp
27.84 lb/hp
Opel Astra 1.4 ECOTEC CNG
Fuel Economy / Emissions
BMW 125i
Opel Astra 1.4 ECOTEC CNG
Fuel Economy
36 mpg
combined ✽ per 100 miles
14.5 lb✽
( 6 MPGe ⓘ Miles per gallon gasoline equivalent (MPGe) is a measure of the average distance traveled per unit of energy consumed. MPGe, specified in miles per U.S. gallon, is used to compare the energy consumption of vehicles that use different energy sources.)
BMW 125i
36 mpg
6 MPGe
Opel Astra 1.4 ECOTEC CNG
27 mpg
city
19.9 lb
No data
highway
11.7 lb
13.7 gal
Fuel Tank Capacity
42 lb
490 mi
Range
288 mi
BMW 125i
490 mi
288 mi
Opel Astra 1.4 ECOTEC CNG
Environmental Impact
125 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).
30.1 kWh
BMW 125i
125 kWh
30.1 kWh
Opel Astra 1.4 ECOTEC CNG
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
248 g/mi (NEFZ)
CO2 Emissions
182 g/mi (NEFZ)
Practical Convenience
BMW 125i
Opel Astra 1.4 ECOTEC CNG
3
Doors
5
4
No. of Seats
5
1080 lb
Maximum Payload
1160 lb
10.2 cu ft
Trunk Volume
10.5 cu ft









34 cu ft
Cargo Volume (Seats Down)
34.3 cu ft