2008 Acura RDX vs. 2005 Cadillac STS
To start off, 2008 Acura RDX is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 3,562 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (252 HP @ 6500 RPM) has 12 more horse power than 2008 Acura RDX. (240 HP @ 4500 RPM) In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2008 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 340 kg more than 2008 Acura RDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2008 Acura RDX 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, 2008 Acura RDX (353 Nm @ 4500 RPM) has 11 more torque (in Nm) than 2005 Cadillac STS. (342 Nm @ 3200 RPM). This means 2008 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2008 Acura RDX | 2005 Cadillac STS | |
| Make | Acura | Cadillac |
| Model | RDX | STS |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 3562 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 240 HP | 252 HP |
| Engine RPM | 4500 RPM | 6500 RPM |
| Torque | 353 Nm | 342 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Engine Compression Ratio | 8.8:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1790 kg |
| Vehicle Length | 4600 mm | 4990 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1660 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2690 mm |
| Fuel Consumption Overall | 12.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 68 L | 95 L |
