1951 Alvis TB 21 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 56 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,996 cc (6 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (228 HP @ 6100 RPM) has 137 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2007 Mercedes-Benz SLK (300 Nm) has 96 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 2007 Mercedes-Benz SLK | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | SLK |
| Year Released | 1951 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 228 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 204 Nm | 300 Nm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4090 mm |
| Vehicle Width | 1680 mm | 1790 mm |
| Wheelbase Size | 2750 mm | 2440 mm |
