1952 Alvis TB 21 vs. 2009 Cadillac BLS
To start off, 2009 Cadillac BLS is newer by 57 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2009 Cadillac BLS (252 HP @ 5500 RPM) has 161 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2009 Cadillac BLS should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2009 Cadillac BLS (365 Nm @ 1800 RPM) has 161 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2009 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 2009 Cadillac BLS | |
| Make | Alvis | Cadillac |
| Model | TB 21 | BLS |
| Year Released | 1952 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 252 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 365 Nm |
| Torque RPM | 2200 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 89.1 mm |
| Engine Stroke Size | 90 mm | 74.8 mm |
| Engine Compression Ratio | 7.1:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4690 mm |
| Vehicle Width | 1680 mm | 1760 mm |
| Wheelbase Size | 2750 mm | 2680 mm |
