1951 Alvis TA 21 vs. 1959 BMW 503
To start off, 1959 BMW 503 is newer by 8 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 3,168 cc (8 cylinders), 1959 BMW 503 is equipped with a bigger engine. In terms of performance, 1959 BMW 503 (139 HP @ 4800 RPM) has 46 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1959 BMW 503 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1959 BMW 503 weights approximately 52 kg more than 1951 Alvis TA 21. 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, 1959 BMW 503 (222 Nm @ 2500 RPM) has 18 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1959 BMW 503 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 1959 BMW 503 | |
| Make | Alvis | BMW |
| Model | TA 21 | 503 |
| Year Released | 1951 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3168 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 139 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 204 Nm | 222 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 90 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 1500 kg |
| Vehicle Length | 4630 mm | 4760 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Vehicle Height | 1600 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Tank Capacity | 64 L | 75 L |
