1955 Alvis TC 21 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 50 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 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 309 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2005 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 70 kg more than 2005 Porsche 911.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Porsche 911 (560 Nm @ 2700 RPM) has 339 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1955 Alvis TC 21. 2005 Porsche 911 has automatic transmission and 1955 Alvis TC 21 has manual transmission. 1955 Alvis TC 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alvis TC 21 | 2005 Porsche 911 | |
| Make | Alvis | Porsche |
| Model | TC 21 | 911 |
| Year Released | 1955 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 414 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 221 Nm | 560 Nm |
| Torque RPM | 2500 RPM | 2700 RPM |
| Engine Compression Ratio | 8.0:1 | 9.4:1 |
| Top Speed | 164 km/hour | 293 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1380 kg |
| Wheelbase Size | 2840 mm | 2360 mm |
