2003 Alpina Roadster vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 8 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 5,999 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 52 more horse power than 2003 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2003 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1038 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.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2011 GMC Sierra 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 144 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster. 2011 GMC Sierra 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. 2011 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina Roadster | 2011 GMC Sierra | |
| Make | Alpina | GMC |
| Model | Roadster | Sierra |
| Year Released | 2003 | 2011 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 301 HP | 353 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 362 Nm | 506 Nm |
| Torque RPM | 4800 RPM | 4400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1626 kg | 2664 kg |
| Vehicle Length | 4100 mm | 5710 mm |
| Vehicle Width | 1790 mm | 2040 mm |
| Vehicle Height | 1310 mm | 1940 mm |
| Wheelbase Size | 2500 mm | 3380 mm |
| Fuel Consumption Overall | 11.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 55 L | 129 L |
