1999 BMW Z8 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 BMW Z8. In addition, the cost of maintenance, including insurance, on 1999 BMW Z8 would be higher. At 4,939 cc (8 cylinders), 1999 BMW Z8 is equipped with a bigger engine. In terms of performance, 1999 BMW Z8 (400 HP @ 6600 RPM) has 185 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 1999 BMW Z8 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z8 weights approximately 20 kg more than 2009 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW Z8. In wet, icy, snow, or gravel driving conditions, 2009 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, 1999 BMW Z8 (500 Nm @ 3800 RPM) has 250 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 1999 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 1999 BMW Z8 | 2009 BMW 525 | |
| Make | BMW | BMW |
| Model | Z8 | 525 |
| Year Released | 1999 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4939 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 400 HP | 215 HP |
| Engine RPM | 6600 RPM | 6500 RPM |
| Torque | 500 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 2750 RPM |
| Engine Bore Size | 94 mm | 78.8 mm |
| Engine Stroke Size | 89 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 237 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 8.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1565 kg |
| Vehicle Length | 4410 mm | 4850 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2890 mm |
| Fuel Consumption Overall | 14.5 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 73 L | 70 L |
