2007 Opel Astra vs. 1973 Pontiac Firebird
To start off, 2007 Opel Astra is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 4,092 cc (6 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (123 HP @ 4000 RPM) has 15 more horse power than 1973 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 2007 Opel Astra should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 75 kg more than 2007 Opel Astra.
Because 1973 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 1973 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Opel Astra (280 Nm @ 2000 RPM) has 43 more torque (in Nm) than 1973 Pontiac Firebird. (237 Nm @ 1600 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1973 Pontiac Firebird.
Compare all specifications:
| 2007 Opel Astra | 1973 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Astra | Firebird |
| Year Released | 2007 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 4092 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 108 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 280 Nm | 237 Nm |
| Torque RPM | 2000 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1470 kg |
| Vehicle Length | 4260 mm | 4880 mm |
| Vehicle Width | 1760 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2620 mm | 2750 mm |
