2005 BMW X5 vs. 1979 Porsche 928
To start off, 2005 BMW X5 is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Porsche 928. In addition, the cost of maintenance, including insurance, on 1979 Porsche 928 would be higher. At 4,664 cc (8 cylinders), 1979 Porsche 928 is equipped with a bigger engine. In terms of performance, 1979 Porsche 928 (295 HP @ 5900 RPM) has 80 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 1979 Porsche 928 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 1979 Porsche 928.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Porsche 928. 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 140 more torque (in Nm) than 1979 Porsche 928. (380 Nm @ 4500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1979 Porsche 928.
Compare all specifications:
| 2005 BMW X5 | 1979 Porsche 928 | |
| Make | BMW | Porsche |
| Model | X5 | 928 |
| Year Released | 2005 | 1979 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 295 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 520 Nm | 380 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Compression Ratio | 18.0:1 | 10.4:1 |
| Top Speed | 210 km/hour | 240 km/hour |
| Drive Type | 4WD | Rear |
| 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 | 4450 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1720 mm | 1290 mm |
| Wheelbase Size | 2830 mm | 2510 mm |
| Fuel Tank Capacity | 93 L | 86 L |
