1998 BMW 728 vs. 1999 BMW Z9
To start off, 1999 BMW Z9 is newer by 1 year(s). Which means there will be less support and parts availability for 1998 BMW 728. In addition, the cost of maintenance, including insurance, on 1998 BMW 728 would be higher. At 3,901 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 4000 RPM) has 52 more horse power than 1998 BMW 728. (190 HP @ 5500 RPM) In normal driving conditions, 1999 BMW Z9 should accelerate faster than 1998 BMW 728.
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 Z9 (560 Nm @ 1750 RPM) has 280 more torque (in Nm) than 1998 BMW 728. (280 Nm @ 3500 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 728.
Compare all specifications:
| 1998 BMW 728 | 1999 BMW Z9 | |
| Make | BMW | BMW |
| Model | 728 | Z9 |
| Year Released | 1998 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 3901 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 190 HP | 242 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 280 Nm | 560 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4990 mm | 5010 mm |
| Vehicle Width | 1870 mm | 2010 mm |
| Vehicle Height | 1440 mm | 1360 mm |
| Wheelbase Size | 2940 mm | 3110 mm |
