The Comparative Analysis :
Opel Astra 1.4 ECOTEC CNG (17 - 18) vs. Alfa Romeo Giulietta 1.6 JTDM 16V (10 - 14)
€ 25,100

€ 21,700

€ 25,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 21,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Opel Astra 1.4 ECOTEC CNG is a little bigger in every dimension. It's 0.7 inches longer, 0.4 inches wider and 0.8 inches taller than the Alfa Romeo Giulietta 1.6 JTDM 16V.
Opel Astra 1.4 ECOTEC CNG
Alfa Romeo Giulietta 1.6 JTDM 16V
58.5
71.2
80.4
57.7
70.8
78.7
71.2 in
Width
70.8 in
80.4 in
Width Incl. Mirrors
78.7 in
58.5 in
Height
57.7 in
104.8
172
103.7
171.3
172 in
Length
171.3 in
104.8 in
Wheelbase
103.7 in
Vehicle Weight
Opel Astra 1.4 ECOTEC CNG
Alfa Romeo Giulietta 1.6 JTDM 16V
3007 lb
Curb Weight
3053 lb
4167 lb
Gross Vehicle
Weight
Weight
4001 lb

Weight Difference:
46 lb
1.51 %

General
Opel Astra 1.4 ECOTEC CNG
Alfa Romeo Giulietta 1.6 JTDM 16V
B-K
Generation
Typ 940
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
Alfa Romeo Giulietta 1.6 JTDM 16V
Straight-four engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
Engine Code
940 A3.000
4
Valves
4
4
Cylinders
4
1.4 L / 69 cu in
Displacement
1.6 L / 78 cu in
108 hp
at 5600 rpm
Power
104 hp
at 4000 rpm
Opel Astra 1.4 ECOTEC CNG
108 hp
104 hp
Alfa Romeo Giulietta 1.6 JTDM 16V
148 lb‑ft
at 2000 rpm
Max. Torque
207 lb‑ft
at 1750 rpm
Opel Astra 1.4 ECOTEC CNG
148 lb‑ft
207 lb‑ft
Alfa Romeo Giulietta 1.6 JTDM 16V
Performance
Opel Astra 1.4 ECOTEC CNG
Alfa Romeo Giulietta 1.6 JTDM 16V
124 mph
Maximum Speed
115 mph
10.9 sec
Acceleration 0 to 62 mph
11.3 sec
62 mph
62
mph
mph
495 ft
0.000 sec

Opel Astra 1.4 ECOTEC CNG
62 mph
62
mph
mph
515 ft
0.000 sec

Alfa Romeo Giulietta 1.6 JTDM 16V
▶ REPLAY
27.84 lb/hp
Weight-to-Power Ratio
29.36 lb/hp
Opel Astra 1.4 ECOTEC CNG
27.84 lb/hp
29.36 lb/hp
Alfa Romeo Giulietta 1.6 JTDM 16V
Fuel Economy / Emissions
Opel Astra 1.4 ECOTEC CNG
Alfa Romeo Giulietta 1.6 JTDM 16V
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
59 mpg
( 66 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
66 MPGe
Alfa Romeo Giulietta 1.6 JTDM 16V
19.9 lb
city
47 mpg
11.7 lb
highway
No data
42 lb
Fuel Tank Capacity
15.9 gal
288 mi
Range
932 mi
Opel Astra 1.4 ECOTEC CNG
288 mi
932 mi
Alfa Romeo Giulietta 1.6 JTDM 16V
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).
82.2 kWh
Opel Astra 1.4 ECOTEC CNG
30.1 kWh
82.2 kWh
Alfa Romeo Giulietta 1.6 JTDM 16V
Euro 6b (NEFZ)
Emission Standard
Euro 5
182 g/mi (NEFZ)
CO2 Emissions
167 g/mi (NEFZ)
Practical Convenience
Opel Astra 1.4 ECOTEC CNG
Alfa Romeo Giulietta 1.6 JTDM 16V
5
Doors
5
5
No. of Seats
5
1160 lb
Maximum Payload
948 lb
10.5 cu ft
Trunk Volume
9.9 cu ft









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