1955 Alvis TC 21 vs. 2002 Porsche 911
To start off, 2002 Porsche 911 is newer by 47 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 3,589 cc (6 cylinders), 2002 Porsche 911 is equipped with a bigger engine. In terms of performance, 2002 Porsche 911 (276 HP @ 8000 RPM) has 171 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2002 Porsche 911 should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 45 kg more than 2002 Porsche 911.
Because 2002 Porsche 911 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, 2002 Porsche 911 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, 2002 Porsche 911 (841 Nm) has 620 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm). This means 2002 Porsche 911 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 | 2002 Porsche 911 | |
| Make | Alvis | Porsche |
| Model | TC 21 | 911 |
| Year Released | 1955 | 2002 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 276 HP |
| Engine RPM | 4000 RPM | 8000 RPM |
| Torque | 221 Nm | 841 Nm |
| Engine Bore Size | 84 mm | 100.2 mm |
| Engine Stroke Size | 90 mm | 76.5 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1405 kg |
| Vehicle Length | 4810 mm | 4450 mm |
| Vehicle Width | 1680 mm | 1840 mm |
| Vehicle Height | 1590 mm | 1280 mm |
| Wheelbase Size | 2840 mm | 2370 mm |
