2007 Acura RL vs. 2006 Cadillac STS
To start off, 2007 Acura RL is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Acura RL (290 HP @ 6200 RPM) has 37 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM). In normal driving conditions, 2007 Acura RL should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 207 kg more than 2007 Acura RL.
Because 2007 Acura RL is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2007 Acura RL 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 Acura RL (347 Nm @ 5000 RPM) has 5 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2007 Acura RL will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2007 Acura RL | 2006 Cadillac STS | |
| Make | Acura | Cadillac |
| Model | RL | STS |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3471 cc | 3563 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 290 HP | 253 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 347 Nm | 342 Nm |
| Torque RPM | 5000 RPM | 3200 RPM |
| Engine Bore Size | 89 mm | 94 mm |
| Engine Stroke Size | 93 mm | 85.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1575 kg | 1782 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2960 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.7 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 73 L | 66 L |
