2007 Alpina D3 vs. 2009 Saturn Sky
To start off, 2009 Saturn Sky is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Alpina D3. In addition, the cost of maintenance, including insurance, on 2007 Alpina D3 would be higher. At 3,347 cc (6 cylinders), 2007 Alpina D3 is equipped with a bigger engine. In terms of performance, 2007 Alpina D3 (301 HP @ 6300 RPM) has 128 more horse power than 2009 Saturn Sky. (173 HP @ 5800 RPM). In normal driving conditions, 2007 Alpina D3 should accelerate faster than 2009 Saturn Sky. With that said, vehicle weight also plays an important factor in acceleration. 2009 Saturn Sky weights approximately 210 kg more than 2007 Alpina D3.
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 Alpina D3 (362 Nm @ 4800 RPM) has 136 more torque (in Nm) than 2009 Saturn Sky. (226 Nm @ 4500 RPM). This means 2007 Alpina D3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Saturn Sky.
Compare all specifications:
| 2007 Alpina D3 | 2009 Saturn Sky | |
| Make | Alpina | Saturn |
| Model | D3 | Sky |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 2400 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 173 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 362 Nm | 226 Nm |
| Torque RPM | 4800 RPM | 4500 RPM |
| Engine Bore Size | 87 mm | 99.1 mm |
| Engine Stroke Size | 93.9 mm | 75.9 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1735 kg |
| Vehicle Length | 4480 mm | 4100 mm |
| Vehicle Width | 1750 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1280 mm |
| Wheelbase Size | 2730 mm | 2420 mm |
| Fuel Consumption Overall | 11.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 49 L |
