The Comparative Analysis :
Opel Astra 1.4 ECOTEC CNG (17 - 18) vs. Mazda 3 1.6 CD (10 - 11)
€ 25,100

€ 20,400

€ 25,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 20,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Opel Astra 1.4 ECOTEC CNG is 3.5 inches shorter, 2.1 inches wider and 0.6 inches taller than the Mazda 3 1.6 CD.
Opel Astra 1.4 ECOTEC CNG
Mazda 3 1.6 CD
58.5
71.2
80.4
57.9
69.1
77
71.2 in
Width
69.1 in
80.4 in
Width Incl. Mirrors
77 in
58.5 in
Height
57.9 in
104.8
172
103.9
175.6
172 in
Length
175.6 in
104.8 in
Wheelbase
103.9 in
Vehicle Weight
Opel Astra 1.4 ECOTEC CNG
Mazda 3 1.6 CD
3007 lb
Curb Weight
2767 lb
4167 lb
Gross Vehicle
Weight
Weight
4034 lb

Weight Difference:
240 lb
7.98 %

General
Opel Astra 1.4 ECOTEC CNG
Mazda 3 1.6 CD
B-K
Generation
BL
Hatchback
Car Body Style
Hatchback
Natural Gas (CNG)
Fuel Type
Diesel

Front-wheel drive
Drivetrain
Front-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Opel Astra 1.4 ECOTEC CNG
Mazda 3 1.6 CD
Straight-four engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
4
Valves
2
4
Cylinders
4
1.4 L / 69 cu in
Displacement
1.6 L / 78 cu in
108 hp
at 5600 rpm
Power
113 hp
at 3600 rpm
Opel Astra 1.4 ECOTEC CNG
108 hp
113 hp
Mazda 3 1.6 CD
148 lb‑ft
at 2000 rpm
Max. Torque
199 lb‑ft
at 1750 rpm
Opel Astra 1.4 ECOTEC CNG
148 lb‑ft
199 lb‑ft
Mazda 3 1.6 CD
Performance
Opel Astra 1.4 ECOTEC CNG
Mazda 3 1.6 CD
124 mph
Maximum Speed
116 mph
10.9 sec
Acceleration 0 to 62 mph
11 sec
62 mph
62
mph
mph
495 ft
0.000 sec

Opel Astra 1.4 ECOTEC CNG
62 mph
62
mph
mph
502 ft
0.000 sec

Mazda 3 1.6 CD
▶ REPLAY
27.84 lb/hp
Weight-to-Power Ratio
24.49 lb/hp
Opel Astra 1.4 ECOTEC CNG
27.84 lb/hp
24.49 lb/hp
Mazda 3 1.6 CD
Fuel Economy / Emissions
Opel Astra 1.4 ECOTEC CNG
Mazda 3 1.6 CD
Fuel Economy
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.)
combined ✽ per 100 miles
53 mpg
( 60 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.)
Opel Astra 1.4 ECOTEC CNG
6 MPGe
60 MPGe
Mazda 3 1.6 CD
19.9 lb
city
44 mpg
11.7 lb
highway
60 mpg
42 lb
Fuel Tank Capacity
14.5 gal
288 mi
Range
777 mi
Opel Astra 1.4 ECOTEC CNG
288 mi
777 mi
Mazda 3 1.6 CD
Environmental Impact
30.1 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).
90.4 kWh
Opel Astra 1.4 ECOTEC CNG
30.1 kWh
90.4 kWh
Mazda 3 1.6 CD
Euro 6b (NEFZ)
Emission Standard
Euro 5
182 g/mi (NEFZ)
CO2 Emissions
188 g/mi (NEFZ)
Practical Convenience
Opel Astra 1.4 ECOTEC CNG
Mazda 3 1.6 CD
5
Doors
5
5
No. of Seats
5
1160 lb
Maximum Payload
1268 lb
10.5 cu ft
Trunk Volume
9.6 cu ft









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