2006 Opel Astra vs. 2005 Pontiac Grand Am
To start off, 2006 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Grand Am would be higher. At 3,392 cc (6 cylinders), 2005 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 2005 Pontiac Grand Am (175 HP @ 5200 RPM) has 7 more horse power than 2006 Opel Astra. (168 HP @ 5200 RPM) In normal driving conditions, 2005 Pontiac Grand Am should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Grand Am weights approximately 17 kg more than 2006 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 Grand Am (285 Nm) has 35 more torque (in Nm) than 2006 Opel Astra. (250 Nm). This means 2005 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Opel Astra | 2005 Pontiac Grand Am | |
| Make | Opel | Pontiac |
| Model | Astra | Grand Am |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 175 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 250 Nm | 285 Nm |
| Engine Compression Ratio | 8.8:1 | 9.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1402 kg |
| Vehicle Length | 4300 mm | 4740 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2620 mm | 2810 mm |
| Fuel Consumption Overall | 9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 52 L | 53 L |
