1975 BMW 320 vs. 2005 BMW 745
To start off, 2005 BMW 745 is newer by 30 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 4,398 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2005 BMW 745 (325 HP @ 6000 RPM) has 197 more horse power than 1975 BMW 320. (128 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 745 should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 960 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 BMW 745 (450 Nm @ 3600 RPM) has 276 more torque (in Nm) than 1975 BMW 320. (174 Nm @ 4000 RPM). This means 2005 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320. 2005 BMW 745 has automatic transmission and 1975 BMW 320 has manual transmission. 1975 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 BMW 320 | 2005 BMW 745 | |
| Make | BMW | BMW |
| Model | 320 | 745 |
| Year Released | 1975 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 325 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 174 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 92.1 mm |
| Engine Stroke Size | 66 mm | 82.7 mm |
| Engine Compression Ratio | 9.8:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 11.2 seconds | 6.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1050 kg | 2010 kg |
| Wheelbase Size | 2580 mm | 3000 mm |
