2005 Cadillac STS vs. 2003 Toyota Highlander
To start off, 2005 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Toyota Highlander. In addition, the cost of maintenance, including insurance, on 2003 Toyota Highlander would be higher. At 3,556 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (255 HP @ 6500 RPM) has 107 more horse power than 2003 Toyota Highlander. (148 HP @ 5000 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2003 Toyota Highlander. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 111 kg more than 2003 Toyota Highlander. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Toyota Highlander is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2003 Toyota Highlander 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, 2005 Cadillac STS (339 Nm @ 3200 RPM) has 118 more torque (in Nm) than 2003 Toyota Highlander. (221 Nm @ 4000 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 Toyota Highlander.
Compare all specifications:
| 2005 Cadillac STS | 2003 Toyota Highlander | |
| Make | Cadillac | Toyota |
| Model | STS | Highlander |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 2360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 148 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 339 Nm | 221 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 94 mm | 88.5 mm |
| Engine Stroke Size | 86 mm | 96 mm |
| Engine Compression Ratio | 10.2:1 | 9.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1796 kg | 1685 kg |
| Vehicle Length | 4990 mm | 4690 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1730 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Tank Capacity | 64 L | 73 L |
