1951 Alvis TB 21 vs. 1994 BMW 854
To start off, 1994 BMW 854 is newer by 43 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 5,378 cc (12 cylinders), 1994 BMW 854 is equipped with a bigger engine. In terms of performance, 1994 BMW 854 (323 HP @ 5000 RPM) has 232 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1994 BMW 854 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1994 BMW 854 (490 Nm) has 286 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1994 BMW 854 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 1994 BMW 854 | |
| Make | Alvis | BMW |
| Model | TB 21 | 854 |
| Year Released | 1951 | 1994 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5378 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 323 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 490 Nm |
| Engine Bore Size | 84 mm | 85 mm |
| Engine Stroke Size | 90 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4790 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 2690 mm |
