1977 Porsche 911 vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 35 year(s). Which means there will be less support and parts availability for 1977 Porsche 911. In addition, the cost of maintenance, including insurance, on 1977 Porsche 911 would be higher. At 4,400 cc (8 cylinders), 2012 BMW X5 is equipped with a bigger engine. In terms of performance, 2012 BMW X5 (400 HP @ 5500 RPM) has 200 more horse power than 1977 Porsche 911. (200 HP @ 6000 RPM) In normal driving conditions, 2012 BMW X5 should accelerate faster than 1977 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 1280 kg more than 1977 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1977 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2012 BMW X5 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, 2012 BMW X5 (609 Nm @ 1750 RPM) has 349 more torque (in Nm) than 1977 Porsche 911. (260 Nm @ 4200 RPM). This means 2012 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1977 Porsche 911. 2012 BMW X5 has automatic transmission and 1977 Porsche 911 has manual transmission. 1977 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Porsche 911 | 2012 BMW X5 | |
| Make | Porsche | BMW |
| Model | 911 | X5 |
| Year Released | 1977 | 2012 |
| Body Type | Coupe | SUV |
| Engine Position | Rear | Front |
| Engine Size | 2994 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 400 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 260 Nm | 609 Nm |
| Torque RPM | 4200 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1160 kg | 2440 kg |
| Vehicle Length | 4300 mm | 4854 mm |
| Vehicle Width | 1660 mm | 1933 mm |
| Vehicle Height | 1330 mm | 1775 mm |
| Wheelbase Size | 2280 mm | 2933 mm |
| Fuel Tank Capacity | 79 L | 85 L |
