The Comparative Analysis :
BMW 118i (07 - 12) vs. Opel Astra 1.4 ECOTEC CNG (17 - 18)
€ 24,100

€ 25,100

€ 24,100
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 118i is considerably smaller in every dimension. It's 5.2 inches shorter, 2.4 inches narrower and 2.5 inches lower than the Opel Astra 1.4 ECOTEC CNG.
BMW 118i
Opel Astra 1.4 ECOTEC CNG
55.9
68.8
76.1
58.5
71.2
80.4
68.8 in
Width
71.2 in
76.1 in
Width Incl. Mirrors
80.4 in
55.9 in
Height
58.5 in
104.7
166.9
104.8
172
166.9 in
Length
172 in
104.7 in
Wheelbase
104.8 in
Vehicle Weight
BMW 118i
Opel Astra 1.4 ECOTEC CNG
2954 lb
Curb Weight
3007 lb
3891 lb
Gross Vehicle
Weight
Weight
4167 lb

Weight Difference:
53 lb
1.76 %

General
BMW 118i
Opel Astra 1.4 ECOTEC CNG
E81
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 118i
Opel Astra 1.4 ECOTEC CNG
Straight-four gasoline engine (naturally aspirated engine)
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
141 hp
at 6000 rpm
Power
108 hp
at 5600 rpm
BMW 118i
141 hp
108 hp
Opel Astra 1.4 ECOTEC CNG
140 lb‑ft
at 4250 rpm
Max. Torque
148 lb‑ft
at 2000 rpm
BMW 118i
140 lb‑ft
148 lb‑ft
Opel Astra 1.4 ECOTEC CNG
Performance
BMW 118i
Opel Astra 1.4 ECOTEC CNG
130 mph
Maximum Speed
124 mph
8.7 sec
Acceleration 0 to 62 mph
10.9 sec
62 mph
62
mph
mph
397 ft
0.000 sec

BMW 118i
62 mph
62
mph
mph
495 ft
0.000 sec

Opel Astra 1.4 ECOTEC CNG
▶ REPLAY
20.95 lb/hp
Weight-to-Power Ratio
27.84 lb/hp
BMW 118i
20.95 lb/hp
27.84 lb/hp
Opel Astra 1.4 ECOTEC CNG
Fuel Economy / Emissions
BMW 118i
Opel Astra 1.4 ECOTEC CNG
Fuel Economy
39 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 118i
39 mpg
6 MPGe
Opel Astra 1.4 ECOTEC CNG
30 mpg
city
19.9 lb
No data
highway
11.7 lb
14 gal
Fuel Tank Capacity
42 lb
540 mi
Range
288 mi
BMW 118i
540 mi
288 mi
Opel Astra 1.4 ECOTEC CNG
Environmental Impact
115.6 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 118i
115.6 kWh
30.1 kWh
Opel Astra 1.4 ECOTEC CNG
Euro 5
Emission Standard
Euro 6b (NEFZ)
230 g/mi (NEFZ)
CO2 Emissions
182 g/mi (NEFZ)
Practical Convenience
BMW 118i
Opel Astra 1.4 ECOTEC CNG
3
Doors
5
4
No. of Seats
5
937 lb
Maximum Payload
1160 lb
9.3 cu ft
Trunk Volume
10.5 cu ft









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