2003 Buick Rainier vs. 2007 Mercedes-Benz SL
To start off, 2007 Mercedes-Benz SL is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2003 Buick Rainier would be higher. At 5,439 cc (8 cylinders), 2007 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SL (510 HP @ 6100 RPM) has 239 more horse power than 2003 Buick Rainier. (271 HP @ 6000 RPM) In normal driving conditions, 2007 Mercedes-Benz SL should accelerate faster than 2003 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 140 kg more than 2007 Mercedes-Benz SL.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2003 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, 2007 Mercedes-Benz SL (720 Nm @ 2600 RPM) has 347 more torque (in Nm) than 2003 Buick Rainier. (373 Nm @ 3600 RPM). This means 2007 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Rainier.
Compare all specifications:
| 2003 Buick Rainier | 2007 Mercedes-Benz SL | |
| Make | Buick | Mercedes-Benz |
| Model | Rainier | SL |
| Year Released | 2003 | 2007 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 271 HP | 510 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 373 Nm | 720 Nm |
| Torque RPM | 3600 RPM | 2600 RPM |
| Engine Bore Size | 93 mm | 97.1 mm |
| Engine Stroke Size | 102 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2100 kg | 1960 kg |
| Vehicle Length | 4920 mm | 4540 mm |
| Vehicle Width | 1920 mm | 1830 mm |
| Vehicle Height | 1900 mm | 1300 mm |
| Wheelbase Size | 2880 mm | 2570 mm |
| Fuel Tank Capacity | 83 L | 80 L |
