2008 BMW Z4 vs. 2011 Cadillac STS
To start off, 2011 Cadillac STS is newer by 3 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 3,600 cc (6 cylinders), 2011 Cadillac STS is equipped with a bigger engine. In terms of performance, 2011 Cadillac STS (302 HP @ 6300 RPM) has 47 more horse power than 2008 BMW Z4. (255 HP @ 6600 RPM) In normal driving conditions, 2011 Cadillac STS should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Cadillac STS weights approximately 417 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Cadillac STS (368 Nm @ 5200 RPM) has 69 more torque (in Nm) than 2008 BMW Z4. (299 Nm @ 2750 RPM). This means 2011 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 2011 Cadillac STS has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 2011 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | Z4 | STS |
| Year Released | 2008 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 302 HP |
| Engine RPM | 6600 RPM | 6300 RPM |
| Torque | 299 Nm | 368 Nm |
| Torque RPM | 2750 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1802 kg |
| Vehicle Length | 4100 mm | 4996 mm |
| Vehicle Width | 1310 mm | 1844 mm |
| Vehicle Height | 1790 mm | 1463 mm |
| Wheelbase Size | 2500 mm | 2957 mm |
| Fuel Consumption | 8.4 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
