2008 Audi A4 vs. 2009 Audi Q7
To start off, 2009 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 4,132 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 194 more horse power than 2008 Audi A4. (128 HP @ 5700 RPM) In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1080 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 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 Audi Q7 (760 Nm @ 1800 RPM) has 565 more torque (in Nm) than 2008 Audi A4. (195 Nm @ 3300 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2009 Audi Q7 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 2009 Audi Q7 | |
| Make | Audi | Audi |
| Model | A4 | Q7 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4132 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 128 HP | 322 HP |
| Engine RPM | 5700 RPM | 3750 RPM |
| Torque | 195 Nm | 760 Nm |
| Torque RPM | 3300 RPM | 1800 RPM |
| Engine Bore Size | 82.6 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 10.3:1 | 16.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 9.9 seconds | 6.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1340 kg | 2420 kg |
| Vehicle Length | 4590 mm | 5090 mm |
| Vehicle Width | 1780 mm | 1990 mm |
| Vehicle Height | 1430 mm | 1780 mm |
| Wheelbase Size | 2650 mm | 3010 mm |
| Fuel Consumption Overall | 8 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
