2008 BMW Z4 vs. 1973 BMW Touring
To start off, 2008 BMW Z4 is newer by 35 year(s). Which means there will be less support and parts availability for 1973 BMW Touring. In addition, the cost of maintenance, including insurance, on 1973 BMW Touring would be higher. At 2,497 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 330 kg more than 1973 BMW Touring.
Let's talk about torque, 2008 BMW Z4 (250 Nm @ 2750 RPM) has 120 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
| 2008 BMW Z4 | 1973 BMW Touring | |
| Make | BMW | BMW |
| Model | Z4 | Touring |
| Year Released | 2008 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1573 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 0 HP | 85 HP |
| Torque | 250 Nm | 130 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 71 mm |
| Engine Compression Ratio | 11.0:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1360 kg | 1030 kg |
| Vehicle Length | 4100 mm | 4120 mm |
| Vehicle Width | 1310 mm | 1600 mm |
| Vehicle Height | 1790 mm | 1390 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
