2008 BMW M6 vs. 2005 Cadillac STS
To start off, 2008 BMW M6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 4,999 cc (10 cylinders), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 245 more horse power than 2005 Cadillac STS. (255 HP @ 6500 RPM). In normal driving conditions, 2008 BMW M6 should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M6 weights approximately 209 kg more than 2005 Cadillac STS. 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 BMW M6 (520 Nm @ 6100 RPM) has 181 more torque (in Nm) than 2005 Cadillac STS. (339 Nm @ 3200 RPM). This means 2008 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS. 2005 Cadillac STS has automatic transmission and 2008 BMW M6 has manual transmission. 2008 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW M6 | 2005 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | M6 | STS |
| Year Released | 2008 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 3556 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 255 HP |
| Engine RPM | 7750 RPM | 6500 RPM |
| Torque | 520 Nm | 339 Nm |
| Torque RPM | 6100 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 94 mm |
| Engine Stroke Size | 75.2 mm | 86 mm |
| Engine Compression Ratio | 12.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 205 km/hour | 229 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2005 kg | 1796 kg |
| Vehicle Length | 4880 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2790 mm | 2890 mm |
| Fuel Consumption Overall | 15.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
