The Comparative Analysis :

Opel Astra 1.4 ECOTEC CNG (18 - 19) vs. Mazda 3 SKYACTIV-G 120 (13 - 17)

€ 25,300
Opel Astra 1.4 ECOTEC CNG (18 - 19) Opel Astra 1.4 ECOTEC CNG
€ 20,500
 Mazda 3 SKYACTIV-G 120 (13 - 17) Mazda 3 SKYACTIV-G 120
€ 25,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 20,500

ⓘ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, 0.6 inches wider and 1.4 inches taller than the Mazda 3 SKYACTIV-G 120.
Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-G 120
58.5
Blueprint Opel Astra 1.4 ECOTEC CNG (18 - 19)
71.2
80.4
57.1
Blueprint Mazda 3 SKYACTIV-G 120 (13 - 17)
70.7
80.8
71.2 in
Width
70.7 in
80.4 in
Width Incl. Mirrors
80.8 in
58.5 in
Height
57.1 in
Blueprint Opel Astra 1.4 ECOTEC CNG (18 - 19)
104.8
172
Blueprint Mazda 3 SKYACTIV-G 120 (13 - 17)
106.3
175.6
172 in
Length
175.6 in
104.8 in
Wheelbase
106.3 in

Vehicle Weight

Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-G 120
3007 lb
Curb Weight
2822 lb
4167 lb
Gross Vehicle
Weight
4001 lb
Opel Astra 1.4 ECOTEC CNG (18 - 19)
Weight Difference:
185 lb
6.15 %
Mazda 3 SKYACTIV-G 120 (13 - 17)

General

Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-G 120
B-K
Generation
BM
Hatchback
Car Body Style
Hatchback
Natural Gas (CNG)
Fuel Type
Mid-Grade Unleaded
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-G 120
Straight-four engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
4
Valves
4
4
Cylinders
4
1.4 L / 69 cu in
Displacement
2 L / 98 cu in
108 hp
at 5600 rpm
Power
118 hp
at 6000 rpm
Opel Astra 1.4 ECOTEC CNG
108 hp
118 hp
Mazda 3 SKYACTIV-G 120
148 lb‑ft
at 2000 rpm
Max. Torque
155 lb‑ft
at 4000 rpm
Opel Astra 1.4 ECOTEC CNG
148 lb‑ft
155 lb‑ft
Mazda 3 SKYACTIV-G 120

Performance

Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-G 120
121 mph
Maximum Speed
121 mph
10.9 sec
Acceleration 0 to 62 mph
8.9 sec
62 mph 62
mph

495 ft
0.000 sec

Opel Astra 1.4 ECOTEC CNG

62 mph 62
mph

407 ft
0.000 sec

Mazda 3 SKYACTIV-G 120

▶ REPLAY
27.84 lb/hp
Weight-to-Power Ratio
23.92 lb/hp
Opel Astra 1.4 ECOTEC CNG
27.84 lb/hp
23.92 lb/hp
Mazda 3 SKYACTIV-G 120

Fuel Economy / Emissions

Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-G 120
Fuel Economy
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.)
combined ✽ per 100 miles
46 mpg
Opel Astra 1.4 ECOTEC CNG
4 MPGe
46 mpg
Mazda 3 SKYACTIV-G 120
29.4 lb
city
36 mpg
18.1 lb
highway
55 mpg
42 lb
Fuel Tank Capacity
13.5 gal
188 mi
Range
621 mi
Opel Astra 1.4 ECOTEC CNG
188 mi
621 mi
Mazda 3 SKYACTIV-G 120
Environmental Impact
46.2 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).
96.6 kWh
Opel Astra 1.4 ECOTEC CNG
46.2 kWh
96.6 kWh
Mazda 3 SKYACTIV-G 120
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 5 / Euro 6
200 g/mi (WLTP)
CO2 Emissions
192 g/mi (NEFZ)

Practical Convenience

Opel Astra 1.4 ECOTEC CNG
Mazda 3 SKYACTIV-G 120
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