The Comparative Analysis :
Opel Astra GTC 1.7 CDTI ecoFlex 107g (12 - 14) vs. Audi A3 Sportback g-tron (Natural Gas) (13 - 16)
€ 23,300

€ 28,700

€ 23,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 28,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop is considerably bigger in every dimension. It's 6.1 inches longer, 2.2 inches wider and 2.4 inches taller than the Audi A3 Sportback g-tron.
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
Audi A3 Sportback g-tron
58.6
72.4
79.5
56.2
70.3
77.4
72.4 in
Width
70.3 in
79.5 in
Width Incl. Mirrors
77.4 in
58.6 in
Height
56.2 in
106.1
175.8
103.8
169.7
175.8 in
Length
169.7 in
106.1 in
Wheelbase
103.8 in
Vehicle Weight
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
Audi A3 Sportback g-tron
3347 lb
Curb Weight
2943 lb
4453 lb
Gross Vehicle
Weight
Weight
3968 lb

Weight Difference:
403 lb
12.04 %

General
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
Audi A3 Sportback g-tron
P-J
Generation
8V
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Natural Gas (CNG)

Front-wheel drive
Drivetrain
Front-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
Audi A3 Sportback g-tron
Straight-four diesel engine with turbocharger
Engine Type
Straight-four engine with turbocharger
Engine Code
CPWA
4
Valves
4
4
Cylinders
4
1.7 L / 83 cu in
Displacement
1.4 L / 69 cu in
108 hp
at 4000 rpm
Power
108 hp
at 4800 rpm
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
108 hp
108 hp
Audi A3 Sportback g-tron
207 lb‑ft
at 1750 rpm
Max. Torque
148 lb‑ft
at 1500 rpm
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
207 lb‑ft
148 lb‑ft
Audi A3 Sportback g-tron
Performance
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
Audi A3 Sportback g-tron
114 mph
Maximum Speed
122 mph
12.2 sec
Acceleration 0 to 62 mph
10.8 sec
62 mph
62
mph
mph
554 ft
0.000 sec

Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
62 mph
62
mph
mph
492 ft
0.000 sec

Audi A3 Sportback g-tron
▶ REPLAY
30.99 lb/hp
Weight-to-Power Ratio
27.25 lb/hp
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
30.99 lb/hp
27.25 lb/hp
Audi A3 Sportback g-tron
Fuel Economy / Emissions
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
Audi A3 Sportback g-tron
Fuel Economy
57 mpg
( 64 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
12.4 lb✽
( 7 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 GTC 1.7 CDTI ecoFlex 107g Start&Stop
64 MPGe
7 MPGe
Audi A3 Sportback g-tron
49 mpg
city
16.3 lb
65 mpg
highway
No data
14.8 gal
Fuel Tank Capacity
31 lb
849 mi
Range
249 mi
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
849 mi
249 mi
Audi A3 Sportback g-tron
Environmental Impact
84.3 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).
25.6 kWh
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
84.3 kWh
25.6 kWh
Audi A3 Sportback g-tron
Euro 5
Emission Standard
Euro 6b (NEFZ)
172 g/mi (NEFZ)
CO2 Emissions
156 g/mi (NEFZ)
Practical Convenience
Opel Astra GTC 1.7 CDTI ecoFlex 107g Start&Stop
Audi A3 Sportback g-tron
3
Doors
5
5
No. of Seats
5
1107 lb
Maximum Payload
1025 lb
10.5 cu ft
Trunk Volume
7.9 cu ft









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