1984 Ford Sierra vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 4,511 cc (8 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (444 HP @ 6000 RPM) has 330 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 1315 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2007 Porsche Cayenne 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, 2007 Porsche Cayenne (620 Nm @ 2250 RPM) has 444 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2007 Porsche Cayenne | |
| Make | Ford | Porsche |
| Model | Sierra | Cayenne |
| Year Released | 1984 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 4511 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 114 HP | 444 HP |
| Engine RPM | 5300 RPM | 6000 RPM |
| Torque | 176 Nm | 620 Nm |
| Torque RPM | 3000 RPM | 2250 RPM |
| Engine Bore Size | 90 mm | 93 mm |
| Engine Stroke Size | 60.1 mm | 83 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1115 kg | 2430 kg |
| Vehicle Length | 4420 mm | 4790 mm |
| Vehicle Width | 1730 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1710 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
| Fuel Tank Capacity | 60 L | 100 L |
