2004 Opel Astra vs. 1973 Pontiac Firebird
To start off, 2004 Opel Astra is newer by 31 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 7,467 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (335 HP @ 4800 RPM) has 232 more horse power than 2004 Opel Astra. (103 HP @ 4400 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 35 kg more than 2004 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 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. 1973 Pontiac Firebird has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Pontiac Firebird will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Astra | 1973 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Astra | Firebird |
| Year Released | 2004 | 1973 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 7467 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 103 HP | 335 HP |
| Engine RPM | 4400 RPM | 4800 RPM |
| Engine Bore Size | 79 mm | 104.9 mm |
| Engine Stroke Size | 86 mm | 108 mm |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 180 km/hour | 201 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1415 kg | 1450 kg |
| Vehicle Length | 4520 mm | 4870 mm |
| Vehicle Width | 1800 mm | 1880 mm |
| Vehicle Height | 1510 mm | 1280 mm |
| Wheelbase Size | 2840 mm | 2750 mm |
