2003 Opel Astra vs. 2013 Cadillac CTS
To start off, 2013 Cadillac CTS is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 3,600 cc (6 cylinders), 2013 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2013 Cadillac CTS (314 HP @ 6800 RPM) has 169 more horse power than 2003 Opel Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2013 Cadillac CTS should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac CTS weights approximately 570 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Cadillac CTS is all wheel drive (AWD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2013 Cadillac CTS 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, 2013 Cadillac CTS (373 Nm @ 4900 RPM) has 170 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2013 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2013 Cadillac CTS | |
| Make | Opel | Cadillac |
| Model | Astra | CTS |
| Year Released | 2003 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 314 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 203 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 4900 RPM |
| Engine Bore Size | 86 mm | 94 mm |
| Engine Stroke Size | 94.6 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 11.3 |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1298 kg | 1868 kg |
| Vehicle Length | 4120 mm | 4859 mm |
| Vehicle Width | 1720 mm | 1842 mm |
| Vehicle Height | 1430 mm | 1473 mm |
| Wheelbase Size | 2500 mm | 2880 mm |
| Fuel Consumption | 6.5 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.6 L/100km | 13 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 52 L | 68 L |
