2004 BMW Z4 vs. 1999 BMW 529
To start off, 2004 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 BMW 529. In addition, the cost of maintenance, including insurance, on 1999 BMW 529 would be higher. At 2,979 cc (6 cylinders), 1999 BMW 529 is equipped with a bigger engine. In terms of performance, 1999 BMW 529 (193 HP @ 4000 RPM) has 8 more horse power than 2004 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 1999 BMW 529 should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 529 weights approximately 329 kg more than 2004 BMW Z4. 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, 1999 BMW 529 (410 Nm @ 1750 RPM) has 165 more torque (in Nm) than 2004 BMW Z4. (245 Nm @ 3500 RPM). This means 1999 BMW 529 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 BMW Z4 | 1999 BMW 529 | |
| Make | BMW | BMW |
| Model | Z4 | 529 |
| Year Released | 2004 | 1999 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 193 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 410 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1296 kg | 1625 kg |
| Vehicle Length | 4100 mm | 4810 mm |
| Vehicle Width | 1790 mm | 1810 mm |
| Vehicle Height | 1300 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 63 L |
