1955 Alvis TC 21 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 54 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 6,208 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (518 HP @ 6800 RPM) has 413 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 1380 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.
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, 2009 Mercedes-Benz SL (631 Nm @ 5200 RPM) has 410 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 2009 Mercedes-Benz SL 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 | 2009 Mercedes-Benz SL | |
| Make | Alvis | Mercedes-Benz |
| Model | TC 21 | SL |
| Year Released | 1955 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 6208 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 518 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 221 Nm | 631 Nm |
| Torque RPM | 2500 RPM | 5200 RPM |
| Engine Compression Ratio | 8.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 2830 kg |
| Vehicle Length | 4810 mm | 4540 mm |
| Vehicle Width | 1680 mm | 1820 mm |
| Vehicle Height | 1590 mm | 1300 mm |
| Wheelbase Size | 2840 mm | 2570 mm |
