1951 Alvis TA 21 vs. 2007 BMW 320
To start off, 2007 BMW 320 is newer by 56 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, 2007 BMW 320 (148 HP @ 6200 RPM) has 55 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 320 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 53 kg more than 2007 BMW 320.
Let's talk about torque, 1951 Alvis TA 21 (204 Nm @ 2000 RPM) has 4 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 1951 Alvis TA 21 | 2007 BMW 320 | |
| Make | Alvis | BMW |
| Model | TA 21 | 320 |
| Year Released | 1951 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 148 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 204 Nm | 200 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 1395 kg |
| Vehicle Length | 4630 mm | 4530 mm |
| Vehicle Width | 1680 mm | 1430 mm |
| Vehicle Height | 1600 mm | 1880 mm |
| Wheelbase Size | 2840 mm | 2770 mm |
| Fuel Tank Capacity | 64 L | 60 L |
