2003 Alpina Roadster vs. 2003 Cadillac CTS-V
To start off, both 2003 Alpina Roadster and 2003 Cadillac CTS-V were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,666 cc (8 cylinders), 2003 Cadillac CTS-V is equipped with a bigger engine. In terms of performance, 2003 Cadillac CTS-V (400 HP @ 6000 RPM) has 99 more horse power than 2003 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2003 Cadillac CTS-V should accelerate faster than 2003 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac CTS-V weights approximately 119 kg more than 2003 Alpina Roadster. 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, 2003 Cadillac CTS-V (529 Nm @ 4800 RPM) has 167 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2003 Cadillac CTS-V will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster.
Compare all specifications:
| 2003 Alpina Roadster | 2003 Cadillac CTS-V | |
| Make | Alpina | Cadillac |
| Model | Roadster | CTS-V |
| Year Released | 2003 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 5666 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 301 HP | 400 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 529 Nm |
| Torque RPM | 4800 RPM | 4800 RPM |
| Engine Bore Size | 87 mm | 99.1 mm |
| Engine Stroke Size | 93.8 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 10.1:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1626 kg | 1745 kg |
| Vehicle Length | 4100 mm | 4870 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
| Fuel Tank Capacity | 55 L | 66 L |
