1956 Alfa Romeo Giulietta vs. 1951 Alvis TA 21
To start off, 1956 Alfa Romeo Giulietta is newer by 5 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, 1951 Alvis TA 21 (93 HP @ 4000 RPM) has 22 more horse power than 1956 Alfa Romeo Giulietta. (71 HP @ 6000 RPM) In normal driving conditions, 1951 Alvis TA 21 should accelerate faster than 1956 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 608 kg more than 1956 Alfa Romeo Giulietta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 92 more torque (in Nm) than 1956 Alfa Romeo Giulietta. (112 Nm @ 4250 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 1956 Alfa Romeo Giulietta.
Compare all specifications:
| 1956 Alfa Romeo Giulietta | 1951 Alvis TA 21 | |
| Make | Alfa Romeo | Alvis |
| Model | Giulietta | TA 21 |
| Year Released | 1956 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 71 HP | 93 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 112 Nm | 204 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Engine Bore Size | 74.1 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 840 kg | 1448 kg |
| Vehicle Length | 3410 mm | 4630 mm |
| Vehicle Width | 1550 mm | 1680 mm |
| Vehicle Height | 1190 mm | 1600 mm |
| Wheelbase Size | 2260 mm | 2840 mm |
| Fuel Tank Capacity | 71 L | 64 L |
