The Comparative Analysis :
Opel Astra GTC 1.4 ecoFlex (11 - 14) vs. Mazda 3 SKYACTIV-G 120 (13 - 17)
€ 19,900

€ 20,500

€ 19,900
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 Opel Astra GTC 1.4 ecoFlex Start&Stop is a little bigger in every dimension. It's 0.2 inches longer, 1.8 inches wider and 1.5 inches taller than the Mazda 3 SKYACTIV-G 120.
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 SKYACTIV-G 120
58.6
72.4
79.5
57.1
70.7
80.8
72.4 in
Width
70.7 in
79.5 in
Width Incl. Mirrors
80.8 in
58.6 in
Height
57.1 in
106.1
175.8
106.3
175.6
175.8 in
Length
175.6 in
106.1 in
Wheelbase
106.3 in
Vehicle Weight
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 SKYACTIV-G 120
3104 lb
Curb Weight
2822 lb
4079 lb
Gross Vehicle
Weight
Weight
4001 lb

Weight Difference:
282 lb
9.08 %

General
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 SKYACTIV-G 120
P-J
Generation
BM
Hatchback
Car Body Style
Hatchback
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded

Front-wheel drive
Drivetrain
Front-wheel drive

5-speed manual transmission
Transmission
6-speed manual transmission
Engine
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 SKYACTIV-G 120
Straight-four gasoline 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
99 hp
at 6000 rpm
Power
118 hp
at 6000 rpm
Opel Astra GTC 1.4 ecoFlex Start&Stop
99 hp
118 hp
Mazda 3 SKYACTIV-G 120
96 lb‑ft
at 4000 rpm
Max. Torque
155 lb‑ft
at 4000 rpm
Opel Astra GTC 1.4 ecoFlex Start&Stop
96 lb‑ft
155 lb‑ft
Mazda 3 SKYACTIV-G 120
Performance
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 SKYACTIV-G 120
111 mph
Maximum Speed
121 mph
14.5 sec
Acceleration 0 to 62 mph
8.9 sec
62 mph
62
mph
mph
659 ft
0.000 sec

Opel Astra GTC 1.4 ecoFlex Start&Stop
62 mph
62
mph
mph
407 ft
0.000 sec

Mazda 3 SKYACTIV-G 120
▶ REPLAY
31.35 lb/hp
Weight-to-Power Ratio
23.92 lb/hp
Opel Astra GTC 1.4 ecoFlex Start&Stop
31.35 lb/hp
23.92 lb/hp
Mazda 3 SKYACTIV-G 120
Fuel Economy / Emissions
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 SKYACTIV-G 120
Fuel Economy
40 mpg
combined
46 mpg
Opel Astra GTC 1.4 ecoFlex Start&Stop
40 mpg
46 mpg
Mazda 3 SKYACTIV-G 120
33 mpg
city
36 mpg
45 mpg
highway
55 mpg
14.8 gal
Fuel Tank Capacity
13.5 gal
590 mi
Range
621 mi
Opel Astra GTC 1.4 ecoFlex Start&Stop
590 mi
621 mi
Mazda 3 SKYACTIV-G 120
Environmental Impact
111.8 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).
96.6 kWh
Opel Astra GTC 1.4 ecoFlex Start&Stop
111.8 kWh
96.6 kWh
Mazda 3 SKYACTIV-G 120
Euro 5
Emission Standard
Euro 5 / Euro 6
224 g/mi (NEFZ)
CO2 Emissions
192 g/mi (NEFZ)
Practical Convenience
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 SKYACTIV-G 120
3
Doors
5
5
No. of Seats
5
974 lb
Maximum Payload
1179 lb
10.5 cu ft
Trunk Volume
10.3 cu ft









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