2005 Audi A3 vs. 2007 Audi Q7
To start off, 2007 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 4,163 cc (8 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (346 HP @ 6800 RPM) has 208 more horse power than 2005 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 915 kg more than 2005 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A3. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi Q7 (440 Nm @ 3500 RPM) has 120 more torque (in Nm) than 2005 Audi A3. (320 Nm @ 1750 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3. 2007 Audi Q7 has automatic transmission and 2005 Audi A3 has manual transmission. 2005 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A3 | 2007 Audi Q7 | |
| Make | Audi | Audi |
| Model | A3 | Q7 |
| Year Released | 2005 | 2007 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 346 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 320 Nm | 440 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 18.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 244 km/hour |
| Acceleration 0-100mph | 10 seconds | 7.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1380 kg | 2295 kg |
| Vehicle Width | 1770 mm | 1990 mm |
| Vehicle Height | 1430 mm | 1740 mm |
| Wheelbase Size | 2580 mm | 3010 mm |
| Fuel Consumption Overall | 5.6 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 55 L | 100 L |
