2008 BMW Z4 vs. 2009 Cadillac STS-V
To start off, 2009 Cadillac STS-V is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW Z4. In addition, the cost of maintenance, including insurance, on 2008 BMW Z4 would be higher. At 4,376 cc (8 cylinders), 2009 Cadillac STS-V is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS-V (469 HP @ 6400 RPM) has 141 more horse power than 2008 BMW Z4. (328 HP @ 7900 RPM) In normal driving conditions, 2009 Cadillac STS-V should accelerate faster than 2008 BMW Z4.
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, 2009 Cadillac STS-V (595 Nm @ 3900 RPM) has 280 more torque (in Nm) than 2008 BMW Z4. (315 Nm @ 2750 RPM). This means 2009 Cadillac STS-V will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2009 Cadillac STS-V | |
| Make | BMW | Cadillac |
| Model | Z4 | STS-V |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4376 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 469 HP |
| Engine RPM | 7900 RPM | 6400 RPM |
| Torque | 315 Nm | 595 Nm |
| Torque RPM | 2750 RPM | 3900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4100 mm | 5030 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1480 mm |
| Wheelbase Size | 2500 mm | 2960 mm |
| Fuel Consumption Overall | 9.5 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
