The Comparative Analysis :

BMW 123d (07 - 12) vs. Opel Astra 1.4 ECOTEC CNG (18 - 19)

€ 32,100
BMW 123d (07 - 12) BMW 123d
€ 25,300
 Opel Astra 1.4 ECOTEC CNG (18 - 19) Opel Astra 1.4 ECOTEC CNG
€ 32,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 25,300

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 123d 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 123d
Opel Astra 1.4 ECOTEC CNG
55.9
Blueprint BMW 123d (07 - 12)
68.8
76.1
58.5
Blueprint Opel Astra 1.4 ECOTEC CNG (18 - 19)
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
Blueprint BMW 123d (07 - 12)
104.7
166.9
Blueprint Opel Astra 1.4 ECOTEC CNG (18 - 19)
104.8
172
166.9 in
Length
172 in
104.7 in
Wheelbase
104.8 in

Vehicle Weight

BMW 123d
Opel Astra 1.4 ECOTEC CNG
3274 lb
Curb Weight
3007 lb
4211 lb
Gross Vehicle
Weight
4167 lb
BMW 123d (07 - 12)
Weight Difference:
267 lb
8.16 %
Opel Astra 1.4 ECOTEC CNG (18 - 19)

General

BMW 123d
Opel Astra 1.4 ECOTEC CNG
E81
Generation
B-K
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Natural Gas (CNG)
Rear-wheel drive
Drivetrain
Front-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission

Engine

BMW 123d
Opel Astra 1.4 ECOTEC CNG
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
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
201 hp
at 4400 rpm
Power
108 hp
at 5600 rpm
BMW 123d
201 hp
108 hp
Opel Astra 1.4 ECOTEC CNG
295 lb‑ft
at 2000 rpm
Max. Torque
148 lb‑ft
at 2000 rpm
BMW 123d
295 lb‑ft
148 lb‑ft
Opel Astra 1.4 ECOTEC CNG

Performance

BMW 123d
Opel Astra 1.4 ECOTEC CNG
148 mph
Maximum Speed
121 mph
6.9 sec
Acceleration 0 to 62 mph
10.9 sec
62 mph 62
mph

315 ft
0.000 sec

BMW 123d

62 mph 62
mph

495 ft
0.000 sec

Opel Astra 1.4 ECOTEC CNG

▶ REPLAY
16.29 lb/hp
Weight-to-Power Ratio
27.84 lb/hp
BMW 123d
16.29 lb/hp
27.84 lb/hp
Opel Astra 1.4 ECOTEC CNG

Fuel Economy / Emissions

BMW 123d
Opel Astra 1.4 ECOTEC CNG
Fuel Economy
46 mpg  ( 52 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.)
combined ✽ per 100 miles
22.4 lb✽  ( 4 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 123d
52 MPGe
4 MPGe
Opel Astra 1.4 ECOTEC CNG
37 mpg
city
29.4 lb
No data
highway
18.1 lb
13.5 gal
Fuel Tank Capacity
42 lb
621 mi
Range
188 mi
BMW 123d
621 mi
188 mi
Opel Astra 1.4 ECOTEC CNG
Environmental Impact
104.9 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).
46.2 kWh
BMW 123d
104.9 kWh
46.2 kWh
Opel Astra 1.4 ECOTEC CNG
Euro 5
Emission Standard
Euro 6d-TEMP (WLTP) 36AG-AI
217 g/mi (NEFZ)
CO2 Emissions
200 g/mi (WLTP)

Practical Convenience

BMW 123d
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