1999 BMW Z9 vs. 2008 Cadillac STS
To start off, 2008 Cadillac STS is newer by 9 year(s). Which means there will be less support and parts availability for 1999 BMW Z9. In addition, the cost of maintenance, including insurance, on 1999 BMW Z9 would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 78 more horse power than 1999 BMW Z9. (242 HP @ 4000 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1999 BMW Z9.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW Z9. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS 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 Z9 (560 Nm @ 1750 RPM) has 133 more torque (in Nm) than 2008 Cadillac STS. (427 Nm @ 4400 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS.
Compare all specifications:
| 1999 BMW Z9 | 2008 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | Z9 | STS |
| Year Released | 1999 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3901 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 242 HP | 320 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 560 Nm | 427 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Length | 5010 mm | 5000 mm |
| Vehicle Width | 2010 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 3110 mm | 2960 mm |
