2009 GMC Acadia vs. 2007 Mercedes-Benz Viano
To start off, 2009 GMC Acadia is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz Viano would be higher. At 3,600 cc (6 cylinders), 2009 GMC Acadia is equipped with a bigger engine. In terms of performance, 2009 GMC Acadia (288 HP @ 6300 RPM) has 140 more horse power than 2007 Mercedes-Benz Viano. (148 HP @ 3800 RPM). In normal driving conditions, 2009 GMC Acadia should accelerate faster than 2007 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Acadia weights approximately 461 kg more than 2007 Mercedes-Benz Viano. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Acadia is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2009 GMC Acadia will offer significantly more control. 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 GMC Acadia (366 Nm @ 3400 RPM) has 36 more torque (in Nm) than 2007 Mercedes-Benz Viano. (330 Nm @ 1800 RPM). This means 2009 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz Viano.
Compare all specifications:
| 2009 GMC Acadia | 2007 Mercedes-Benz Viano | |
| Make | GMC | Mercedes-Benz |
| Model | Acadia | Viano |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 288 HP | 148 HP |
| Engine RPM | 6300 RPM | 3800 RPM |
| Torque | 366 Nm | 330 Nm |
| Torque RPM | 3400 RPM | 1800 RPM |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1974 kg |
| Vehicle Length | 5100 mm | 5000 mm |
| Vehicle Width | 1990 mm | 1910 mm |
| Vehicle Height | 1780 mm | 1880 mm |
| Wheelbase Size | 3030 mm | 3210 mm |
| Fuel Consumption Overall | 12.5 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 83 L | 75 L |
