2007 Acura RDX vs. 1951 Alvis TB 21
To start off, 2007 Acura RDX 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 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2007 Acura RDX (240 HP @ 6000 RPM) has 149 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 2007 Acura RDX should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2007 Acura RDX (353 Nm) has 149 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2007 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 2007 Acura RDX | 1951 Alvis TB 21 | |
| Make | Acura | Alvis |
| Model | RDX | TB 21 |
| Year Released | 2007 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 91 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 353 Nm | 204 Nm |
| Engine Bore Size | 86.4 mm | 84 mm |
| Engine Stroke Size | 99.1 mm | 90 mm |
| Engine Compression Ratio | 8.8:1 | 7.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4600 mm | 4430 mm |
| Vehicle Width | 1880 mm | 1680 mm |
| Wheelbase Size | 2660 mm | 2750 mm |
