2005 Audi A3 vs. 2007 Audi R8
To start off, 2007 Audi R8 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 R8 is equipped with a bigger engine. In terms of performance, 2007 Audi R8 (414 HP @ 7800 RPM) has 301 more horse power than 2005 Audi A3. (113 HP @ 5800 RPM) In normal driving conditions, 2007 Audi R8 should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi R8 weights approximately 300 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 R8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Audi A3. In wet, icy, snow, or gravel driving conditions, 2007 Audi R8 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 R8 (430 Nm @ 4500 RPM) has 275 more torque (in Nm) than 2005 Audi A3. (155 Nm @ 4000 RPM). This means 2007 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3.
Compare all specifications:
| 2005 Audi A3 | 2007 Audi R8 | |
| Make | Audi | Audi |
| Model | A3 | R8 |
| Year Released | 2005 | 2007 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1598 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 414 HP |
| Engine RPM | 5800 RPM | 7800 RPM |
| Torque | 155 Nm | 430 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Compression Ratio | 12.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 191 km/hour | 301 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 4.6 seconds |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1565 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1770 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1260 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 6.6 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 55 L | 75 L |
