2003 Opel Astra vs. 2005 Pontiac G6
To start off, 2005 Pontiac G6 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 3,392 cc (6 cylinders), 2005 Pontiac G6 is equipped with a bigger engine. In terms of performance, 2005 Pontiac G6 (200 HP) has 55 more horse power than 2003 Opel Astra. (145 HP) In normal driving conditions, 2005 Pontiac G6 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac G6 weights approximately 256 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Pontiac G6 (285 Nm) has 82 more torque (in Nm) than 2003 Opel Astra. (203 Nm). This means 2005 Pontiac G6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2005 Pontiac G6 | |
| Make | Opel | Pontiac |
| Model | Astra | G6 |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 200 HP |
| Torque | 203 Nm | 285 Nm |
| Engine Compression Ratio | 10.0:1 | 9.8:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1298 kg | 1554 kg |
| Vehicle Length | 4120 mm | 4810 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
| Fuel Consumption | 6.5 L/100km | 8.1 L/100km |
| Fuel Consumption City | 11.6 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 52 L | 61 L |
