2006 Buick Rainier vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 6 year(s). Which means there will be less support and parts availability for 2006 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2006 Buick Rainier would be higher. At 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 111 more horse power than 2006 Buick Rainier. (291 HP @ 6000 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 2006 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 340 kg more than 2006 Buick Rainier. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2012 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2006 Buick Rainier 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 224 more torque (in Nm) than 2006 Buick Rainier. (376 Nm @ 4800 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2006 Buick Rainier.
Compare all specifications:
| 2006 Buick Rainier | 2012 Mercedes-Benz CLS | |
| Make | Buick | Mercedes-Benz |
| Model | Rainier | CLS |
| Year Released | 2006 | 2012 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 291 HP | 402 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 376 Nm | 600 Nm |
| Torque RPM | 4800 RPM | 1800 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1890 kg |
| Vehicle Length | 4920 mm | 4940 mm |
| Vehicle Width | 1920 mm | 1882 mm |
| Vehicle Height | 1900 mm | 1417 mm |
| Wheelbase Size | 2880 mm | 2875 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.4 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 83 L | 80 L |
