2005 BMW X5 vs. 1988 Porsche 911
To start off, 2005 BMW X5 is newer by 17 year(s). Which means there will be less support and parts availability for 1988 Porsche 911. In addition, the cost of maintenance, including insurance, on 1988 Porsche 911 would be higher. At 3,598 cc (6 cylinders), 1988 Porsche 911 is equipped with a bigger engine. In terms of performance, 1988 Porsche 911 (246 HP @ 6100 RPM) has 31 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 1988 Porsche 911 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 720 kg more than 1988 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 210 more torque (in Nm) than 1988 Porsche 911. (310 Nm @ 4800 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1988 Porsche 911.
Compare all specifications:
| 2005 BMW X5 | 1988 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X5 | 911 |
| Year Released | 2005 | 1988 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2926 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 246 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 520 Nm | 310 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Top Speed | 210 km/hour | 260 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 6.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1450 kg |
| Vehicle Length | 4670 mm | 4260 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1720 mm | 1330 mm |
| Wheelbase Size | 2830 mm | 2270 mm |
| Fuel Tank Capacity | 93 L | 77 L |
