1955 Alvis TC 21 vs. 2003 Mazda Roadster
To start off, 2003 Mazda Roadster is newer by 48 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 2,993 cc (6 cylinders), 1955 Alvis TC 21 is equipped with a bigger engine. In terms of performance, 2003 Mazda Roadster (148 HP @ 7000 RPM) has 43 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2003 Mazda Roadster should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 370 kg more than 2003 Mazda 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, 1955 Alvis TC 21 (221 Nm @ 2500 RPM) has 54 more torque (in Nm) than 2003 Mazda Roadster. (167 Nm @ 5500 RPM). This means 1955 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2003 Mazda Roadster has automatic transmission and 1955 Alvis TC 21 has manual transmission. 1955 Alvis TC 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mazda Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alvis TC 21 | 2003 Mazda Roadster | |
| Make | Alvis | Mazda |
| Model | TC 21 | Roadster |
| Year Released | 1955 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1838 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 148 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 221 Nm | 167 Nm |
| Torque RPM | 2500 RPM | 5500 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90 mm | 85 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1080 kg |
| Vehicle Length | 4810 mm | 3960 mm |
| Vehicle Width | 1680 mm | 1690 mm |
| Vehicle Height | 1590 mm | 1240 mm |
| Wheelbase Size | 2840 mm | 2270 mm |
