2009 BMW Z4 vs. 1973 BMW 2004
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 2004. In addition, the cost of maintenance, including insurance, on 1973 BMW 2004 would be higher. At 2,996 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 238 more horse power than 1973 BMW 2004. (97 HP @ 5800 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1973 BMW 2004. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 290 kg more than 1973 BMW 2004. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 158 more torque (in Nm) than 1973 BMW 2004. (157 Nm @ 3000 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 2004.
Compare all specifications:
| 2009 BMW Z4 | 1973 BMW 2004 | |
| Make | BMW | BMW |
| Model | Z4 | 2004 |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 335 HP | 97 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 315 Nm | 157 Nm |
| Torque RPM | 2750 RPM | 3000 RPM |
| Engine Compression Ratio | 12.0:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1310 kg | 1020 kg |
| Vehicle Length | 4100 mm | 4420 mm |
| Vehicle Width | 1790 mm | 1620 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
