The Comparative Analysis :
Opel Astra GTC 1.4 ecoFlex (11 - 14) vs. Mazda 3 2.0 DISI i-stop (09 - 11)
€ 19,900

€ 22,700

€ 19,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 22,700
ⓘ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 slightly bigger in every dimension. It's 0.2 inches longer, 3.3 inches wider and 0.7 inches taller than the Mazda 3 2.0 DISI i-stop.
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 2.0 DISI i-stop
58.6
72.4
79.5
57.9
69.1
77
72.4 in
Width
69.1 in
79.5 in
Width Incl. Mirrors
77 in
58.6 in
Height
57.9 in
106.1
175.8
103.9
175.6
175.8 in
Length
175.6 in
106.1 in
Wheelbase
103.9 in
Vehicle Weight
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 2.0 DISI i-stop
3104 lb
Curb Weight
2965 lb
4079 lb
Gross Vehicle
Weight
Weight
4045 lb

Weight Difference:
139 lb
4.48 %

General
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 2.0 DISI i-stop
P-J
Generation
BL
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 2.0 DISI i-stop
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
149 hp
at 6200 rpm
Opel Astra GTC 1.4 ecoFlex Start&Stop
99 hp
149 hp
Mazda 3 2.0 DISI i-stop
96 lb‑ft
at 4000 rpm
Max. Torque
141 lb‑ft
at 4500 rpm
Opel Astra GTC 1.4 ecoFlex Start&Stop
96 lb‑ft
141 lb‑ft
Mazda 3 2.0 DISI i-stop
Performance
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 2.0 DISI i-stop
111 mph
Maximum Speed
128 mph
14.5 sec
Acceleration 0 to 62 mph
10.4 sec
62 mph
62
mph
mph
659 ft
0.000 sec

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

Mazda 3 2.0 DISI i-stop
▶ REPLAY
31.35 lb/hp
Weight-to-Power Ratio
19.9 lb/hp
Opel Astra GTC 1.4 ecoFlex Start&Stop
31.35 lb/hp
19.9 lb/hp
Mazda 3 2.0 DISI i-stop
Fuel Economy / Emissions
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 2.0 DISI i-stop
Fuel Economy
40 mpg
combined
35 mpg
Opel Astra GTC 1.4 ecoFlex Start&Stop
40 mpg
35 mpg
Mazda 3 2.0 DISI i-stop
33 mpg
city
25 mpg
45 mpg
highway
44 mpg
14.8 gal
Fuel Tank Capacity
14.5 gal
590 mi
Range
503 mi
Opel Astra GTC 1.4 ecoFlex Start&Stop
590 mi
503 mi
Mazda 3 2.0 DISI i-stop
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).
128.7 kWh
Opel Astra GTC 1.4 ecoFlex Start&Stop
111.8 kWh
128.7 kWh
Mazda 3 2.0 DISI i-stop
Euro 5
Emission Standard
Euro 5
224 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Opel Astra GTC 1.4 ecoFlex Start&Stop
Mazda 3 2.0 DISI i-stop
3
Doors
5
5
No. of Seats
5
974 lb
Maximum Payload
1080 lb
10.5 cu ft
Trunk Volume
9.6 cu ft









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