2009 BMW Z4 vs. 1973 BMW Touring
To start off, 2009 BMW Z4 is newer by 36 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), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (176 HP @ 5800 RPM) has 91 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 315 kg more than 1973 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 BMW Z4 (230 Nm @ 3500 RPM) has 100 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
2009 BMW Z4 | 1973 BMW Touring | |
Make | BMW | BMW |
Model | Z4 | Touring |
Year Released | 2009 | 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 | 176 HP | 85 HP |
Engine RPM | 5800 RPM | 5700 RPM |
Torque | 230 Nm | 130 Nm |
Torque RPM | 3500 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 - Premium | Gasoline |
Number of Seats | 2 seats | 5 seats |
Vehicle Weight | 1345 kg | 1030 kg |
Vehicle Length | 4100 mm | 4120 mm |
Vehicle Width | 1790 mm | 1600 mm |
Vehicle Height | 1310 mm | 1390 mm |
Wheelbase Size | 2500 mm | 2510 mm |