1990 Porsche 911 vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,164 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (228 HP @ 5900 RPM) has 13 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 1990 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 934 kg more than 1990 Porsche 911.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 234 more torque (in Nm) than 1990 Porsche 911. (286 Nm @ 4800 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1990 Porsche 911. 2005 BMW X5 has automatic transmission and 1990 Porsche 911 has manual transmission. 1990 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Porsche 911 | 2005 BMW X5 | |
| Make | Porsche | BMW |
| Model | 911 | X5 |
| Year Released | 1990 | 2005 |
| Body Type | Convertible | SUV |
| Engine Position | Rear | Front |
| Engine Size | 3164 cc | 2926 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 228 HP | 215 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 286 Nm | 520 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 95 mm | 84 mm |
| Engine Stroke Size | 74.4 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1236 kg | 2170 kg |
| Vehicle Length | 4300 mm | 4670 mm |
| Vehicle Width | 1660 mm | 1880 mm |
| Vehicle Height | 1330 mm | 1720 mm |
| Wheelbase Size | 2280 mm | 2830 mm |
| Fuel Tank Capacity | 80 L | 93 L |
