2008 Cadillac CTS vs. 2006 Opel Astra
To start off, 2008 Cadillac CTS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 5,664 cc (8 cylinders), 2008 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2008 Cadillac CTS (395 HP @ 6000 RPM) has 227 more horse power than 2006 Opel Astra. (168 HP @ 5200 RPM). In normal driving conditions, 2008 Cadillac CTS should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac CTS weights approximately 360 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac CTS 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 CTS. However, in wet, icy, snow, or gravel driving conditions, 2006 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 CTS (536 Nm @ 4800 RPM) has 286 more torque (in Nm) than 2006 Opel Astra. (250 Nm @ 1950 RPM). This means 2008 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2008 Cadillac CTS | 2006 Opel Astra | |
| Make | Cadillac | Opel |
| Model | CTS | Astra |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 5664 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 395 HP | 168 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 536 Nm | 250 Nm |
| Torque RPM | 4800 RPM | 1950 RPM |
| Engine Bore Size | 99 mm | 86 mm |
| Engine Stroke Size | 92 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 274 km/hour | 217 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 8.7 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1745 kg | 1385 kg |
| Vehicle Length | 4870 mm | 4260 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Overall | 14 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 68 L | 52 L |
