2008 Cadillac STS vs. 2008 Opel Astra
To start off, both 2008 Cadillac STS and 2008 Opel Astra were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 252 more horse power than 2008 Opel Astra. (69 HP @ 5600 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 502 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 2008 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 2008 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 257 more torque (in Nm) than 2008 Opel Astra. (170 Nm @ 3800 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2008 Cadillac STS | 2008 Opel Astra | |
| Make | Cadillac | Opel |
| Model | STS | Astra |
| Year Released | 2008 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 69 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 170 Nm |
| Torque RPM | 4400 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 80.5 mm |
| Engine Stroke Size | 84 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 188 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 12.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1812 kg | 1310 kg |
| Vehicle Length | 4990 mm | 3510 mm |
| Vehicle Height | 1470 mm | 1700 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
| Fuel Consumption Overall | 14.5 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
