2009 Cadillac STS vs. 2005 Mercedes-Benz Viano
To start off, 2009 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz Viano would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 85 more horse power than 2005 Mercedes-Benz Viano. (215 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2005 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz Viano weights approximately 278 kg more than 2009 Cadillac STS.
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, 2005 Mercedes-Benz Viano (305 Nm @ 2800 RPM) has 32 more torque (in Nm) than 2009 Cadillac STS. (273 Nm @ 5200 RPM). This means 2005 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2005 Mercedes-Benz Viano | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | Viano |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 300 HP | 215 HP |
| Torque | 273 Nm | 305 Nm |
| Torque RPM | 5200 RPM | 2800 RPM |
| Engine Bore Size | 94 mm | 89.9 mm |
| Engine Stroke Size | 85.6 mm | 84 mm |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 230 km/hour | 191 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 8.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1782 kg | 2060 kg |
| Vehicle Length | 4990 mm | 5000 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1880 mm |
| Wheelbase Size | 2960 mm | 3210 mm |
| Fuel Consumption Overall | 12.7 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 58 L | 75 L |
