2008 Cadillac STS vs. 2007 BMW Z4
To start off, 2008 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 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 (321 HP @ 6400 RPM) has 132 more horse power than 2007 BMW Z4. (189 HP @ 6000 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 477 kg more than 2007 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 182 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2008 Cadillac STS | 2007 BMW Z4 | |
| Make | Cadillac | BMW |
| Model | STS | Z4 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2492 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 189 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 427 Nm | 245 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 84 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 235 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1812 kg | 1335 kg |
| Vehicle Length | 4990 mm | 4100 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2960 mm | 2500 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 9 L/100km |
| Fuel Tank Capacity | 66 L | 55 L |
