1974 Porsche 911 vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 34 year(s). Which means there will be less support and parts availability for 1974 Porsche 911. In addition, the cost of maintenance, including insurance, on 1974 Porsche 911 would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 153 more horse power than 1974 Porsche 911. (175 HP @ 5800 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 1974 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 735 kg more than 1974 Porsche 911. 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 214 more torque (in Nm) than 1974 Porsche 911. (236 Nm @ 4000 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1974 Porsche 911. 2008 BMW 645 has automatic transmission and 1974 Porsche 911 has manual transmission. 1974 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1974 Porsche 911 | 2008 BMW 645 | |
| Make | Porsche | BMW |
| Model | 911 | 645 |
| Year Released | 1974 | 2008 |
| Body Type | Coupe | Convertible |
| Engine Position | Rear | Front |
| Engine Size | 2686 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 236 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 90 mm | 92 mm |
| Engine Stroke Size | 70.4 mm | 82.7 mm |
| Engine Compression Ratio | 8.5:1 | 10.0:1 |
| Top Speed | 229 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1080 kg | 1815 kg |
| Vehicle Length | 4300 mm | 4830 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1330 mm | 1380 mm |
| Wheelbase Size | 2270 mm | 2790 mm |
