1976 BMW 633 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 29 year(s). Which means there will be less support and parts availability for 1976 BMW 633. In addition, the cost of maintenance, including insurance, on 1976 BMW 633 would be higher. At 3,210 cc (6 cylinders), 1976 BMW 633 is equipped with a bigger engine. In terms of performance, 1976 BMW 633 (197 HP @ 5500 RPM) has 98 more horse power than 2005 Opel Astra. (99 HP @ 4500 RPM). In normal driving conditions, 1976 BMW 633 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 633 weights approximately 55 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 1976 BMW 633 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 1976 BMW 633. 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, 1976 BMW 633 (285 Nm @ 4250 RPM) has 45 more torque (in Nm) than 2005 Opel Astra. (240 Nm @ 2300 RPM). This means 1976 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 1976 BMW 633 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 633 | Astra |
| Year Released | 1976 | 2005 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 1684 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 99 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 285 Nm | 240 Nm |
| Torque RPM | 4250 RPM | 2300 RPM |
| Engine Compression Ratio | 9.0:1 | 18.4:1 |
| Top Speed | 211 km/hour | 180 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1415 kg |
| Vehicle Length | 4760 mm | 4520 mm |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1510 mm |
| Wheelbase Size | 2630 mm | 2710 mm |
| Fuel Tank Capacity | 70 L | 52 L |
