2006 Cadillac STS vs. 2005 Holden Astra
To start off, 2006 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Holden Astra. In addition, the cost of maintenance, including insurance, on 2005 Holden Astra would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 108 more horse power than 2005 Holden Astra. (145 HP @ 5800 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2005 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 392 kg more than 2005 Holden Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Cadillac STS 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 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2005 Holden Astra, 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 139 more torque (in Nm) than 2005 Holden Astra. (203 Nm @ 4000 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Holden Astra. 2006 Cadillac STS has automatic transmission and 2005 Holden Astra has manual transmission. 2005 Holden Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 2005 Holden Astra | |
| Make | Cadillac | Holden |
| Model | STS | Astra |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 145 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 342 Nm | 203 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1390 kg |
| Vehicle Length | 4990 mm | 4280 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
