2007 Cadillac STS vs. 2008 Opel Astra
To start off, 2008 Opel Astra 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 3,563 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (253 HP @ 6500 RPM) has 130 more horse power than 2008 Opel Astra. (123 HP @ 4000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 387 kg more than 2008 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2007 Cadillac STS (342 Nm @ 3200 RPM) has 62 more torque (in Nm) than 2008 Opel Astra. (280 Nm @ 2000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2007 Cadillac STS | 2008 Opel Astra | |
| Make | Cadillac | Opel |
| Model | STS | Astra |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 1796 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 123 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 280 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Compression Ratio | 10.2:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 230 km/hour | 186 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 1395 kg |
| Vehicle Length | 4990 mm | 4260 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
| Fuel Consumption Overall | 12.5 L/100km | 6 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
