2006 BMW X3 vs. 1991 Porsche 911
To start off, 2006 BMW X3 is newer by 15 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, both vehicles can yield 228 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 660 kg more than 1991 Porsche 911.
Let's talk about torque, 2006 BMW X3 (300 Nm @ 3500 RPM) has 14 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2006 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2006 BMW X3 | 1991 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X3 | 911 |
| Year Released | 2006 | 1991 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 2978 cc | 3163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 228 HP | 228 HP |
| Engine RPM | 5900 RPM | 5900 RPM |
| Torque | 300 Nm | 286 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1175 kg |
| Vehicle Length | 4570 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1680 mm | 1260 mm |
