2007 Cadillac STS vs. 2008 Lexus IS
To start off, 2008 Lexus IS is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (321 HP @ 6400 RPM) has 110 more horse power than 2008 Lexus IS. (211 HP @ 5800 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2008 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 20 kg more than 2008 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Lexus IS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 Lexus IS. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS, being front wheel drive (FWD), will offer much better control with better grip. 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 Cadillac STS (427 Nm @ 4400 RPM) has 139 more torque (in Nm) than 2008 Lexus IS. (288 Nm @ 3800 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Lexus IS.
Compare all specifications:
| 2007 Cadillac STS | 2008 Lexus IS | |
| Make | Cadillac | Lexus |
| Model | STS | IS |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2997 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 211 HP |
| Engine RPM | 6400 RPM | 5800 RPM |
| Torque | 427 Nm | 288 Nm |
| Torque RPM | 4400 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 84 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1615 kg |
| Vehicle Length | 4990 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2680 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
