The Comparative Analysis :
Opel Astra 1.4 ECOTEC CNG (17 - 18) vs. Mazda 3 SKYACTIV-D 105 (17 - 19)
€ 25,100

€ 23,700

€ 25,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 23,700
ⓘ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 3.9 inches shorter, 0.6 inches wider and 0.8 inches taller than the Mazda 3 SKYACTIV-D 105.
Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-D 105
58.5
71.2
80.4
57.7
70.7
80.8
71.2 in
Width
70.7 in
80.4 in
Width Incl. Mirrors
80.8 in
58.5 in
Height
57.7 in
104.8
172
106.3
176
172 in
Length
176 in
104.8 in
Wheelbase
106.3 in
Vehicle Weight
Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-D 105
3007 lb
Curb Weight
2943 lb
4167 lb
Gross Vehicle
Weight
Weight
4123 lb

Weight Difference:
64 lb
2.13 %

General
Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-D 105
B-K
Generation
BM
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 SKYACTIV-D 105
Straight-four engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
4
Valves
4
4
Cylinders
4
1.4 L / 69 cu in
Displacement
1.5 L / 73 cu in
108 hp
at 5600 rpm
Power
104 hp
at 4000 rpm
Opel Astra 1.4 ECOTEC CNG
108 hp
104 hp
Mazda 3 SKYACTIV-D 105
148 lb‑ft
at 2000 rpm
Max. Torque
199 lb‑ft
at 1600 rpm
Opel Astra 1.4 ECOTEC CNG
148 lb‑ft
199 lb‑ft
Mazda 3 SKYACTIV-D 105
Performance
Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-D 105
124 mph
Maximum Speed
115 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 SKYACTIV-D 105
▶ REPLAY
27.84 lb/hp
Weight-to-Power Ratio
28.3 lb/hp
Opel Astra 1.4 ECOTEC CNG
27.84 lb/hp
28.3 lb/hp
Mazda 3 SKYACTIV-D 105
Fuel Economy / Emissions
Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-D 105
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
62 mpg
( 69 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
69 MPGe
Mazda 3 SKYACTIV-D 105
19.9 lb
city
55 mpg
11.7 lb
highway
67 mpg
42 lb
Fuel Tank Capacity
13.5 gal
288 mi
Range
834 mi
Opel Astra 1.4 ECOTEC CNG
288 mi
834 mi
Mazda 3 SKYACTIV-D 105
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).
78.2 kWh
Opel Astra 1.4 ECOTEC CNG
30.1 kWh
78.2 kWh
Mazda 3 SKYACTIV-D 105
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
182 g/mi (NEFZ)
CO2 Emissions
159 g/mi (NEFZ)
Practical Convenience
Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-D 105
5
Doors
5
5
No. of Seats
5
1160 lb
Maximum Payload
1179 lb
10.5 cu ft
Trunk Volume
10.3 cu ft









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