2003 Opel Astra vs. 2010 Cadillac STS
To start off, 2010 Cadillac STS is newer by 7 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 3,600 cc (6 cylinders), 2010 Cadillac STS is equipped with a bigger engine. In terms of performance, 2010 Cadillac STS (302 HP @ 6300 RPM) has 157 more horse power than 2003 Opel Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2010 Cadillac STS should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2010 Cadillac STS weights approximately 504 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 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 2010 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel 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, 2010 Cadillac STS (368 Nm @ 5200 RPM) has 165 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2010 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2010 Cadillac STS | |
| Make | Opel | Cadillac |
| Model | Astra | STS |
| Year Released | 2003 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 302 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 203 Nm | 368 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1298 kg | 1802 kg |
| Vehicle Length | 4120 mm | 4996 mm |
| Vehicle Width | 1720 mm | 1844 mm |
| Vehicle Height | 1430 mm | 1463 mm |
| Wheelbase Size | 2500 mm | 2957 mm |
| Fuel Consumption | 6.5 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.6 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 52 L | 64 L |
