2005 Opel Astra vs. 2001 Pontiac Firebird
To start off, 2005 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 2001 Pontiac Firebird would be higher. At 5,665 cc (8 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (325 HP @ 5200 RPM) has 177 more horse power than 2005 Opel Astra. (148 HP @ 4000 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Pontiac Firebird weights approximately 341 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Pontiac Firebird is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2001 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2001 Pontiac Firebird (475 Nm @ 4000 RPM) has 155 more torque (in Nm) than 2005 Opel Astra. (320 Nm @ 2000 RPM). This means 2001 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2001 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Astra | Firebird |
| Year Released | 2005 | 2001 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5665 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 325 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 320 Nm | 475 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82.1 mm | 99 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Engine Compression Ratio | 17.5:1 | 10.1:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1200 kg | 1541 kg |
| Vehicle Length | 4300 mm | 4930 mm |
| Vehicle Width | 1800 mm | 1900 mm |
| Vehicle Height | 1440 mm | 1310 mm |
| Wheelbase Size | 2400 mm | 2570 mm |
| Fuel Tank Capacity | 52 L | 54 L |
