2003 Alpina Roadster 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 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2003 Alpina Roadster 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 13 more horse power than 2003 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2013 Cadillac CTS should accelerate faster than 2003 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac CTS weights approximately 142 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, 2013 Cadillac CTS (373 Nm @ 4900 RPM) has 11 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2013 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster. 2013 Cadillac CTS has automatic transmission and 2003 Alpina Roadster has manual transmission. 2003 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Cadillac CTS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina Roadster | 2013 Cadillac CTS | |
| Make | Alpina | Cadillac |
| Model | Roadster | CTS |
| Year Released | 2003 | 2013 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 314 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 362 Nm | 373 Nm |
| Torque RPM | 4800 RPM | 4900 RPM |
| Engine Bore Size | 87 mm | 94 mm |
| Engine Stroke Size | 93.8 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 11.3 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1626 kg | 1768 kg |
| Vehicle Length | 4100 mm | 4788 mm |
| Vehicle Width | 1790 mm | 1882 mm |
| Vehicle Height | 1310 mm | 1442 mm |
| Wheelbase Size | 2500 mm | 2880 mm |
| Fuel Consumption Overall | 11.7 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 55 L | 68 L |
