2009 Lexus IS vs. 2010 Cadillac STS
To start off, 2010 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Lexus IS. In addition, the cost of maintenance, including insurance, on 2009 Lexus IS would be higher. At 3,600 cc (6 cylinders), 2010 Cadillac STS is equipped with a bigger engine. In terms of performance, 2010 Cadillac STS (302 HP @ 6300 RPM) has 98 more horse power than 2009 Lexus IS. (204 HP @ 6400 RPM) In normal driving conditions, 2010 Cadillac STS should accelerate faster than 2009 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2010 Cadillac STS weights approximately 37 kg more than 2009 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 2010 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 Lexus IS 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, 2010 Cadillac STS (368 Nm @ 5200 RPM) has 117 more torque (in Nm) than 2009 Lexus IS. (251 Nm @ 4800 RPM). This means 2010 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Lexus IS.
Compare all specifications:
| 2009 Lexus IS | 2010 Cadillac STS | |
| Make | Lexus | Cadillac |
| Model | IS | STS |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 204 HP | 302 HP |
| Engine RPM | 6400 RPM | 6300 RPM |
| Torque | 251 Nm | 368 Nm |
| Torque RPM | 4800 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1802 kg |
| Vehicle Length | 4590 mm | 4996 mm |
| Vehicle Width | 1810 mm | 1844 mm |
| Vehicle Height | 1450 mm | 1463 mm |
| Wheelbase Size | 2740 mm | 2957 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 65 L | 64 L |
