2007 Audi A6 vs. 2009 Audi R8
To start off, 2009 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 5,204 cc (10 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (518 HP @ 8000 RPM) has 339 more horse power than 2007 Audi A6. (179 HP @ 3300 RPM) In normal driving conditions, 2009 Audi R8 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 115 kg more than 2009 Audi R8.
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 R8 (530 Nm @ 6500 RPM) has 150 more torque (in Nm) than 2007 Audi A6. (380 Nm @ 1400 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6. 2009 Audi R8 has automatic transmission and 2007 Audi A6 has manual transmission. 2007 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi R8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A6 | 2009 Audi R8 | |
| Make | Audi | Audi |
| Model | A6 | R8 |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2698 cc | 5204 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 518 HP |
| Engine RPM | 3300 RPM | 8000 RPM |
| Torque | 380 Nm | 530 Nm |
| Torque RPM | 1400 RPM | 6500 RPM |
| Engine Compression Ratio | 17.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 223 km/hour | 316 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 3.9 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1580 kg |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1940 mm |
| Vehicle Height | 1470 mm | 1260 mm |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Consumption Overall | 8.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 80 L | 75 L |
