1975 BMW 320 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 32 year(s). Which means there will be less support and parts availability for 1975 BMW 320. In addition, the cost of maintenance, including insurance, on 1975 BMW 320 would be higher. At 1,991 cc (6 cylinders), 1975 BMW 320 is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (148 HP @ 4000 RPM) has 20 more horse power than 1975 BMW 320. (128 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 343 kg more than 1975 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 BMW 320 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 1975 BMW 320. 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 (320 Nm @ 2000 RPM) has 146 more torque (in Nm) than 1975 BMW 320. (174 Nm @ 4000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 1975 BMW 320 | 2007 Opel Astra | |
| Make | BMW | Opel |
| Model | 320 | Astra |
| Year Released | 1975 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1908 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 148 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 174 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 82 mm |
| Engine Stroke Size | 66 mm | 90.4 mm |
| Engine Compression Ratio | 9.8:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 195 km/hour | 210 km/hour |
| Acceleration 0-100mph | 11.2 seconds | 8.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1050 kg | 1393 kg |
| Vehicle Length | 4330 mm | 4300 mm |
| Vehicle Width | 1650 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
