1975 BMW 320 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 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 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (444 HP @ 5700 RPM) has 335 more horse power than 1975 BMW 320. (109 HP @ 5800 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 540 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 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1975 BMW 320. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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 Porsche 911 (620 Nm @ 3500 RPM) has 463 more torque (in Nm) than 1975 BMW 320. (157 Nm @ 3700 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 1975 BMW 320 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 320 | 911 |
| Year Released | 1975 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1990 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 109 HP | 444 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 157 Nm | 620 Nm |
| Torque RPM | 3700 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 100 mm |
| Engine Stroke Size | 80 mm | 76 mm |
| Engine Compression Ratio | 8.1:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1120 kg | 1660 kg |
| Vehicle Length | 4360 mm | 4440 mm |
| Vehicle Width | 1620 mm | 1840 mm |
| Vehicle Height | 1350 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2360 mm |
| Fuel Tank Capacity | 52 L | 63 L |
