1952 Alvis TB 21 vs. 1997 BMW Z3
To start off, 1997 BMW Z3 is newer by 45 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 3,245 cc (6 cylinders), 1997 BMW Z3 is equipped with a bigger engine. In terms of performance, 1997 BMW Z3 (333 HP @ 7500 RPM) has 242 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1997 BMW Z3 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1997 BMW Z3 (355 Nm @ 3250 RPM) has 151 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1997 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 1997 BMW Z3 | |
| Make | Alvis | BMW |
| Model | TB 21 | Z3 |
| Year Released | 1952 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 3245 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 333 HP |
| Engine RPM | 4000 RPM | 7500 RPM |
| Torque | 204 Nm | 355 Nm |
| Torque RPM | 2200 RPM | 3250 RPM |
| Engine Bore Size | 84 mm | 86.4 mm |
| Engine Stroke Size | 90 mm | 89.6 mm |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4030 mm |
| Vehicle Width | 1680 mm | 1750 mm |
| Wheelbase Size | 2750 mm | 2450 mm |
