2007 Audi A4 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 6,000 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 156 more horse power than 2007 Audi A4. (197 HP @ 6000 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 1207 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 GMC Sierra (506 Nm @ 4400 RPM) has 226 more torque (in Nm) than 2007 Audi A4. (280 Nm @ 1800 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 GMC Sierra | |
| Make | Audi | GMC |
| Model | A4 | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 6000 cc |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 197 HP | 353 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 280 Nm | 506 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1452 kg | 2659 kg |
| Vehicle Length | 4590 mm | 5720 mm |
| Vehicle Width | 1780 mm | 2440 mm |
| Vehicle Height | 1430 mm | 1960 mm |
| Wheelbase Size | 2650 mm | 3380 mm |
| Fuel Consumption Overall | 8.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 129 L |
