1955 Alvis TC 21 vs. 2011 Porsche Cayenne
To start off, 2011 Porsche Cayenne is newer by 56 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 3,600 cc (6 cylinders), 2011 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2011 Porsche Cayenne (300 HP @ 6300 RPM) has 195 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2011 Porsche Cayenne should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche Cayenne weights approximately 545 kg more than 1955 Alvis TC 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1955 Alvis TC 21. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Porsche Cayenne (400 Nm @ 3000 RPM) has 179 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 2011 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1955 Alvis TC 21.
Compare all specifications:
| 1955 Alvis TC 21 | 2011 Porsche Cayenne | |
| Make | Alvis | Porsche |
| Model | TC 21 | Cayenne |
| Year Released | 1955 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 300 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 221 Nm | 400 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1995 kg |
| Vehicle Length | 4810 mm | 4846 mm |
| Vehicle Width | 1680 mm | 1938 mm |
| Vehicle Height | 1590 mm | 1712 mm |
| Wheelbase Size | 2840 mm | 2896 mm |
