1951 Alvis TA 21 vs. 2006 Smart Roadster
To start off, 2006 Smart Roadster is newer by 55 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TA 21 is equipped with a bigger engine. In terms of performance, 2006 Smart Roadster (100 HP @ 5250 RPM) has 7 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2006 Smart Roadster should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 478 kg more than 2006 Smart Roadster.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1951 Alvis TA 21 (204 Nm @ 2000 RPM) has 74 more torque (in Nm) than 2006 Smart Roadster. (130 Nm @ 2500 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster.
Compare all specifications:
| 1951 Alvis TA 21 | 2006 Smart Roadster | |
| Make | Alvis | Smart |
| Model | TA 21 | Roadster |
| Year Released | 1951 | 2006 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 696 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 100 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 204 Nm | 130 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| 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 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1448 kg | 970 kg |
| Vehicle Length | 4630 mm | 3430 mm |
| Vehicle Width | 1680 mm | 1620 mm |
| Vehicle Height | 1600 mm | 1200 mm |
| Wheelbase Size | 2840 mm | 2370 mm |
| Fuel Tank Capacity | 64 L | 35 L |
