2006 Acura RL vs. 2003 Buick Rainier
To start off, 2006 Acura RL is newer by 3 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 4,195 cc (6 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2006 Acura RL (290 HP @ 6200 RPM) has 19 more horse power than 2003 Buick Rainier. (271 HP @ 6000 RPM). In normal driving conditions, 2006 Acura RL should accelerate faster than 2003 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 522 kg more than 2006 Acura RL.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2003 Buick Rainier (373 Nm @ 3600 RPM) has 26 more torque (in Nm) than 2006 Acura RL. (347 Nm @ 5000 RPM). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2006 Acura RL.
Compare all specifications:
| 2006 Acura RL | 2003 Buick Rainier | |
| Make | Acura | Buick |
| Model | RL | Rainier |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3474 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 290 HP | 271 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 347 Nm | 373 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 93 mm |
| Engine Stroke Size | 93 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1578 kg | 2100 kg |
| Vehicle Length | 4920 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1920 mm |
| Vehicle Height | 1460 mm | 1900 mm |
| Wheelbase Size | 2810 mm | 2880 mm |
| Fuel Tank Capacity | 73 L | 83 L |
