2006 Cadillac STS vs. 2008 Lexus IS
To start off, 2008 Lexus IS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 14 more horse power than 2008 Lexus IS. (306 HP @ 6400 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2008 Lexus IS.
Because 2008 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2008 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, 2006 Cadillac STS (428 Nm @ 4400 RPM) has 52 more torque (in Nm) than 2008 Lexus IS. (376 Nm @ 4800 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Lexus IS.
Compare all specifications:
| 2006 Cadillac STS | 2008 Lexus IS | |
| Make | Cadillac | Lexus |
| Model | STS | IS |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4556 cc | 3456 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 306 HP |
| Engine RPM | 6400 RPM | 6400 RPM |
| Torque | 428 Nm | 376 Nm |
| Torque RPM | 4400 RPM | 4800 RPM |
| Engine Bore Size | 93 mm | 94 mm |
| Engine Stroke Size | 84 mm | 83 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2960 mm | 2740 mm |
| Fuel Consumption | 9.1 L/100km | 9.6 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 64 L | 65 L |
