2005 Alpina Roadster vs. 2007 Cadillac STS-V
To start off, 2007 Cadillac STS-V is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2005 Alpina Roadster would be higher. At 4,376 cc (8 cylinders), 2007 Cadillac STS-V is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS-V (469 HP @ 6400 RPM) has 168 more horse power than 2005 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2007 Cadillac STS-V should accelerate faster than 2005 Alpina Roadster.
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, 2007 Cadillac STS-V (595 Nm @ 3900 RPM) has 233 more torque (in Nm) than 2005 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2007 Cadillac STS-V will have an easier job in driving up hills or pulling heavy equipment than 2005 Alpina Roadster. 2007 Cadillac STS-V has automatic transmission and 2005 Alpina Roadster has manual transmission. 2005 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS-V will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alpina Roadster | 2007 Cadillac STS-V | |
| Make | Alpina | Cadillac |
| Model | Roadster | STS-V |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4376 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 469 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 362 Nm | 595 Nm |
| Torque RPM | 4800 RPM | 3900 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4100 mm | 5030 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1480 mm |
| Wheelbase Size | 2500 mm | 2960 mm |
| Fuel Tank Capacity | 55 L | 64 L |
