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 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 144 more horse power than 2008 Opel Astra. (178 HP @ 5500 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 435 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 four wheel drive (4WD), it will have significant more traction and grip than 2008 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 197 more torque (in Nm) than 2008 Opel Astra. (230 Nm @ 1950 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra. 2007 Cadillac STS has automatic transmission and 2008 Opel Astra has manual transmission. 2008 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 | 2008 Opel Astra | |
| Make | Cadillac | Opel |
| Model | STS | Astra |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Hatchback |
| 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 | 178 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 427 Nm | 230 Nm |
| Torque RPM | 4400 RPM | 1950 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 221 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 8.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1820 kg | 1385 kg |
| Vehicle Length | 4990 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
| Fuel Consumption Highway | 9.1 L/100km | 5.6 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
