2009 BMW X6 vs. 1991 Porsche 911
To start off, 2009 BMW X6 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 3,163 cc (6 cylinders), 1991 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (300 HP @ 5800 RPM) has 72 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 970 kg more than 1991 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 BMW X6 (407 Nm @ 1400 RPM) has 121 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2009 BMW X6 | 1991 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X6 | 911 |
| Year Released | 2009 | 1991 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 2977 cc | 3163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 300 HP | 228 HP |
| Engine RPM | 5800 RPM | 5900 RPM |
| Torque | 407 Nm | 286 Nm |
| Torque RPM | 1400 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2145 kg | 1175 kg |
| Vehicle Length | 4880 mm | 4300 mm |
| Vehicle Width | 1990 mm | 1660 mm |
| Vehicle Height | 1700 mm | 1260 mm |
