2009 Acura RDX vs. 2009 Cadillac STS
To start off, both 2009 Acura RDX and 2009 Cadillac STS were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,600 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 65 more horse power than 2009 Acura RDX. (237 HP @ 6000 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2009 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 224 kg more than 2009 Cadillac STS.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 109 more torque (in Nm) than 2009 Acura RDX. (260 Nm @ 4500 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura RDX.
Compare all specifications:
| 2009 Acura RDX | 2009 Cadillac STS | |
| Make | Acura | Cadillac |
| Model | RDX | STS |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 302 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 260 Nm | 369 Nm |
| Torque RPM | 4500 RPM | 5200 RPM |
| Engine Compression Ratio | 8.8:1 | 3.7:1 |
| 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 | 1784 kg | 1560 kg |
| Vehicle Length | 4600 mm | 5000 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1660 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2960 mm |
| Fuel Consumption Highway | 10.7 L/100km | 9.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
