2008 Cadillac STS vs. 2007 Opel Astra
To start off, 2008 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 3,600 cc (6 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (302 HP @ 6300 RPM) has 105 more horse power than 2007 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 175 kg more than 2007 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 four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Cadillac STS (369 Nm @ 5200 RPM) has 107 more torque (in Nm) than 2007 Opel Astra. (262 Nm @ 1950 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2008 Cadillac STS has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 2007 Opel Astra | |
| Make | Cadillac | Opel |
| Model | STS | Astra |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 197 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 369 Nm | 262 Nm |
| Torque RPM | 5200 RPM | 1950 RPM |
| Engine Compression Ratio | 11.3:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1560 kg | 1385 kg |
| Vehicle Length | 5000 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
