2008 Cadillac STS vs. 2005 Lexus IS
To start off, 2008 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Lexus IS. In addition, the cost of maintenance, including insurance, on 2005 Lexus IS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 167 more horse power than 2005 Lexus IS. (153 HP @ 6200 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 129 kg more than 2005 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2005 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 232 more torque (in Nm) than 2005 Lexus IS. (195 Nm @ 4600 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS. 2008 Cadillac STS has automatic transmission and 2005 Lexus IS has manual transmission. 2005 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 2005 Lexus IS | |
| Make | Cadillac | Lexus |
| Model | STS | IS |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1988 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 153 HP |
| Engine RPM | 6400 RPM | 6200 RPM |
| Torque | 427 Nm | 195 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1506 kg |
| Vehicle Length | 5000 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2680 mm |
| Fuel Consumption Overall | 13.1 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
