1981 BMW 628 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 25 year(s). Which means there will be less support and parts availability for 1981 BMW 628. In addition, the cost of maintenance, including insurance, on 1981 BMW 628 would be higher. At 2,788 cc (6 cylinders), 1981 BMW 628 is equipped with a bigger engine. In terms of performance, 1981 BMW 628 (181 HP @ 6000 RPM) has 43 more horse power than 2006 Opel Astra. (138 HP @ 6300 RPM). In normal driving conditions, 1981 BMW 628 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 45 kg more than 1981 BMW 628.
Because 1981 BMW 628 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 1981 BMW 628. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 1981 BMW 628 (240 Nm @ 4000 RPM) has 65 more torque (in Nm) than 2006 Opel Astra. (175 Nm @ 3800 RPM). This means 1981 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 1981 BMW 628 | 2006 Opel Astra | |
| Make | BMW | Opel |
| Model | 628 | Astra |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1795 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 181 HP | 138 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 240 Nm | 175 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 80.6 mm |
| Engine Stroke Size | 80 mm | 88.2 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1515 kg |
| Vehicle Length | 4760 mm | 4480 mm |
| Vehicle Width | 1730 mm | 2030 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 52 L |
