1951 Alvis TA 21 vs. 2011 Mercedes-Benz CLS
To start off, 2011 Mercedes-Benz CLS is newer by 60 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 5,500 cc (8 cylinders), 2011 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz CLS (518 HP @ 5250 RPM) has 425 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2011 Mercedes-Benz CLS should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz CLS weights approximately 492 kg more than 1951 Alvis TA 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, 2011 Mercedes-Benz CLS (699 Nm @ 1700 RPM) has 495 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 2011 Mercedes-Benz CLS has automatic transmission and 1951 Alvis TA 21 has manual transmission. 1951 Alvis TA 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alvis TA 21 | 2011 Mercedes-Benz CLS | |
| Make | Alvis | Mercedes-Benz |
| Model | TA 21 | CLS |
| Year Released | 1951 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5500 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 518 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 204 Nm | 699 Nm |
| Torque RPM | 2000 RPM | 1700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 1940 kg |
| Vehicle Length | 4630 mm | 4996 mm |
| Vehicle Width | 1680 mm | 1882 mm |
| Vehicle Height | 1600 mm | 1407 mm |
| Wheelbase Size | 2840 mm | 2875 mm |
| Fuel Tank Capacity | 64 L | 80 L |
