2003 Opel Speedster vs. 2011 Cadillac CTS-V
To start off, 2011 Cadillac CTS-V is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2003 Opel Speedster would be higher. At 6,200 cc (8 cylinders), 2011 Cadillac CTS-V is equipped with a bigger engine. In terms of performance, 2011 Cadillac CTS-V (556 HP @ 6100 RPM) has 411 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM) In normal driving conditions, 2011 Cadillac CTS-V should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2011 Cadillac CTS-V weights approximately 1039 kg more than 2003 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2011 Cadillac CTS-V (746 Nm @ 3800 RPM) has 543 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2011 Cadillac CTS-V will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster.
Compare all specifications:
| 2003 Opel Speedster | 2011 Cadillac CTS-V | |
| Make | Opel | Cadillac |
| Model | Speedster | CTS-V |
| Year Released | 2003 | 2011 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 6200 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 145 HP | 556 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 203 Nm | 746 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 876 kg | 1915 kg |
| Vehicle Length | 3790 mm | 4859 mm |
| Vehicle Width | 1710 mm | 1842 mm |
| Vehicle Height | 1120 mm | 1455 mm |
| Wheelbase Size | 2710 mm | 2880 mm |
| Fuel Consumption | 6.4 L/100km | 12.4 L/100km |
| Fuel Consumption City | 12.3 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 36 L | 68 L |
