2005 Cadillac STS vs. 2007 Lexus RX
To start off, 2007 Lexus RX is newer by 2 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 3,556 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Lexus RX (272 HP @ 6200 RPM) has 17 more horse power than 2005 Cadillac STS. (255 HP @ 6500 RPM) In normal driving conditions, 2007 Lexus RX should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 114 kg more than 2005 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Lexus RX 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, 2007 Lexus RX 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 Lexus RX (342 Nm @ 4700 RPM) has 3 more torque (in Nm) than 2005 Cadillac STS. (339 Nm @ 3200 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2005 Cadillac STS | 2007 Lexus RX | |
| Make | Cadillac | Lexus |
| Model | STS | RX |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 3456 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 272 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 339 Nm | 342 Nm |
| Torque RPM | 3200 RPM | 4700 RPM |
| Engine Compression Ratio | 10.2:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 229 km/hour | 195 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 7.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1796 kg | 1910 kg |
| Vehicle Length | 4990 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1680 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 12.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 64 L | 75 L |
