1951 Alvis TB 21 vs. 2006 Smart ForTwo
To start off, 2006 Smart ForTwo is newer by 55 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, 1951 Alvis TB 21 (91 HP @ 4000 RPM) has 31 more horse power than 2006 Smart ForTwo. (60 HP @ 5250 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 2006 Smart ForTwo.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 109 more torque (in Nm) than 2006 Smart ForTwo. (95 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForTwo.
Compare all specifications:
| 1951 Alvis TB 21 | 2006 Smart ForTwo | |
| Make | Alvis | Smart |
| Model | TB 21 | ForTwo |
| Year Released | 1951 | 2006 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 60 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 204 Nm | 95 Nm |
| Engine Bore Size | 84 mm | 66.5 mm |
| Engine Stroke Size | 90 mm | 67 mm |
| Engine Compression Ratio | 7.1:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 2510 mm |
| Vehicle Width | 1680 mm | 1540 mm |
| Wheelbase Size | 2750 mm | 1820 mm |
