2006 BMW 525 vs. 1998 BMW Z3
To start off, 2006 BMW 525 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 BMW Z3. In addition, the cost of maintenance, including insurance, on 1998 BMW Z3 would be higher. At 3,201 cc (6 cylinders), 1998 BMW Z3 is equipped with a bigger engine. In terms of performance, 1998 BMW Z3 (240 HP @ 7400 RPM) has 25 more horse power than 2006 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 1998 BMW Z3 should accelerate faster than 2006 BMW 525.
Because 2006 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW Z3. In wet, icy, snow, or gravel driving conditions, 2006 BMW 525 will offer significantly more control. 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, 1998 BMW Z3 (320 Nm) has 70 more torque (in Nm) than 2006 BMW 525. (250 Nm). This means 1998 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 1998 BMW Z3 | |
| Make | BMW | BMW |
| Model | 525 | Z3 |
| Year Released | 2006 | 1998 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3201 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 240 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 250 Nm | 320 Nm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4850 mm | 4030 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1500 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2450 mm |
