2007 Cadillac STS vs. 2005 Opel Astra
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 225 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 710 kg more than 2005 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 four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 285 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 Cadillac STS has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 2005 Opel Astra | |
| Make | Cadillac | Opel |
| Model | STS | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 97 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 427 Nm | 142 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Engine Compression Ratio | 10.5:1 | 9.8:1 |
| Top Speed | 250 km/hour | 193 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 11.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1110 kg |
| Wheelbase Size | 2960 mm | 2700 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
