1951 Alvis TB 21 vs. 2011 Cadillac SRX
To start off, 2011 Cadillac SRX is newer by 60 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 3,000 cc (6 cylinders), 2011 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2011 Cadillac SRX (265 HP @ 6950 RPM) has 174 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2011 Cadillac SRX should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2011 Cadillac SRX (302 Nm) has 98 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2011 Cadillac SRX 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 | 2011 Cadillac SRX | |
| Make | Alvis | Cadillac |
| Model | TB 21 | SRX |
| Year Released | 1951 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 265 HP |
| Engine RPM | 4000 RPM | 6950 RPM |
| Torque | 204 Nm | 302 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4834 mm |
| Vehicle Width | 1680 mm | 1910 mm |
| Wheelbase Size | 2750 mm | 2807 mm |
