1973 BMW 2004 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 34 year(s). Which means there will be less support and parts availability for 1973 BMW 2004. In addition, the cost of maintenance, including insurance, on 1973 BMW 2004 would be higher. At 1,991 cc (4 cylinders), 1973 BMW 2004 is equipped with a bigger engine. In terms of performance, 1973 BMW 2004 (97 HP @ 5800 RPM) has 8 more horse power than 2007 Opel Astra. (89 HP @ 4000 RPM). In normal driving conditions, 1973 BMW 2004 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 310 kg more than 1973 BMW 2004.
Because 1973 BMW 2004 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 BMW 2004. 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 (200 Nm @ 1750 RPM) has 43 more torque (in Nm) than 1973 BMW 2004. (157 Nm @ 3000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 2004.
Compare all specifications:
| 1973 BMW 2004 | 2007 Opel Astra | |
| Make | BMW | Opel |
| Model | 2004 | Astra |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1248 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 97 HP | 89 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 157 Nm | 200 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 89 mm | 69.6 mm |
| Engine Stroke Size | 80 mm | 82 mm |
| Engine Compression Ratio | 8.5:1 | 18.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1330 kg |
| Vehicle Length | 4420 mm | 4260 mm |
| Vehicle Width | 1620 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2620 mm |
