The Comparative Analysis :
Opel Astra 1.4 ECOTEC CNG (17 - 18) vs. SEAT Leon SC 1.6 TDI (13 - 15)
€ 25,100

€ 18,000

€ 25,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 18,000
ⓘ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 5.6 inches longer, 0 inches narrower and 1.5 inches taller than the SEAT Leon SC 1.6 TDI.
Opel Astra 1.4 ECOTEC CNG
SEAT Leon SC 1.6 TDI
58.5
71.2
80.4
56.9
71.3
77.8
71.2 in
Width
71.3 in
80.4 in
Width Incl. Mirrors
77.8 in
58.5 in
Height
56.9 in
104.8
172
102.4
166.5
172 in
Length
166.5 in
104.8 in
Wheelbase
102.4 in
Vehicle Weight
Opel Astra 1.4 ECOTEC CNG
SEAT Leon SC 1.6 TDI
3007 lb
Curb Weight
2780 lb
4167 lb
Gross Vehicle
Weight
Weight
3924 lb

Weight Difference:
227 lb
7.55 %

General
Opel Astra 1.4 ECOTEC CNG
SEAT Leon SC 1.6 TDI
B-K
Generation
5F
Hatchback
Car Body Style
Hatchback
Natural Gas (CNG)
Fuel Type
Diesel

Front-wheel drive
Drivetrain
Front-wheel drive

6-speed manual transmission
Transmission
5-speed manual transmission
Engine
Opel Astra 1.4 ECOTEC CNG
SEAT Leon SC 1.6 TDI
Straight-four engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
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
89 hp
at 2750 rpm
Opel Astra 1.4 ECOTEC CNG
108 hp
89 hp
SEAT Leon SC 1.6 TDI
148 lb‑ft
at 2000 rpm
Max. Torque
170 lb‑ft
at 1400 rpm
Opel Astra 1.4 ECOTEC CNG
148 lb‑ft
170 lb‑ft
SEAT Leon SC 1.6 TDI
Performance
Opel Astra 1.4 ECOTEC CNG
SEAT Leon SC 1.6 TDI
124 mph
Maximum Speed
111 mph
10.9 sec
Acceleration 0 to 62 mph
12.6 sec
62 mph
62
mph
mph
495 ft
0.000 sec

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

SEAT Leon SC 1.6 TDI
▶ REPLAY
27.84 lb/hp
Weight-to-Power Ratio
31.24 lb/hp
Opel Astra 1.4 ECOTEC CNG
27.84 lb/hp
31.24 lb/hp
SEAT Leon SC 1.6 TDI
Fuel Economy / Emissions
Opel Astra 1.4 ECOTEC CNG
SEAT Leon SC 1.6 TDI
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
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.)
Opel Astra 1.4 ECOTEC CNG
6 MPGe
64 MPGe
SEAT Leon SC 1.6 TDI
19.9 lb
city
45 mpg
11.7 lb
highway
67 mpg
42 lb
Fuel Tank Capacity
13.2 gal
288 mi
Range
758 mi
Opel Astra 1.4 ECOTEC CNG
288 mi
758 mi
SEAT Leon SC 1.6 TDI
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).
84.3 kWh
Opel Astra 1.4 ECOTEC CNG
30.1 kWh
84.3 kWh
SEAT Leon SC 1.6 TDI
Euro 6b (NEFZ)
Emission Standard
Euro 5
182 g/mi (NEFZ)
CO2 Emissions
174 g/mi (NEFZ)
Practical Convenience
Opel Astra 1.4 ECOTEC CNG
SEAT Leon SC 1.6 TDI
5
Doors
3
5
No. of Seats
5
1160 lb
Maximum Payload
1144 lb
10.5 cu ft
Trunk Volume
10.8 cu ft








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