2008 Cadillac STS vs. 2010 Opel Astra
To start off, 2010 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 81 more horse power than 2010 Opel Astra. (239 HP @ 5600 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2010 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 242 kg more than 2010 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 2010 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 (427 Nm @ 4400 RPM) has 107 more torque (in Nm) than 2010 Opel Astra. (320 Nm @ 2400 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2010 Opel Astra. 2008 Cadillac STS has automatic transmission and 2010 Opel Astra has manual transmission. 2010 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 | 2010 Opel Astra | |
| Make | Cadillac | Opel |
| Model | STS | Astra |
| Year Released | 2008 | 2010 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 239 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 320 Nm |
| Torque RPM | 4400 RPM | 2400 RPM |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1635 kg | 1393 kg |
| Vehicle Length | 5000 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
| Fuel Consumption Overall | 13.1 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
