2009 Cadillac STS vs. 2010 Lexus IS
To start off, 2010 Lexus IS is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2009 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 116 more horse power than 2010 Lexus IS. (204 HP @ 6400 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2010 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2010 Lexus IS weights approximately 7 kg more than 2009 Cadillac STS.
Because 2010 Lexus IS is all wheel drive (AWD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2010 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, 2009 Cadillac STS (427 Nm @ 4400 RPM) has 176 more torque (in Nm) than 2010 Lexus IS. (251 Nm @ 4800 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2010 Lexus IS.
Compare all specifications:
| 2009 Cadillac STS | 2010 Lexus IS | |
| Make | Cadillac | Lexus |
| Model | STS | IS |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 204 HP |
| Engine RPM | 6400 RPM | 6400 RPM |
| Torque | 427 Nm | 251 Nm |
| Torque RPM | 4400 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1567 kg |
| Vehicle Length | 5000 mm | 4585 mm |
| Vehicle Width | 1850 mm | 1801 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2731 mm |
| Fuel Consumption Highway | 9.8 L/100km | 8.4 L/100km |
| Fuel Consumption City | 15.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 64 L | 65 L |
