2004 Audi A6 vs. 2008 Audi R8
To start off, 2008 Audi R8 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 4,163 cc (8 cylinders), 2008 Audi R8 is equipped with a bigger engine. In terms of performance, 2008 Audi R8 (414 HP @ 7800 RPM) has 234 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM) In normal driving conditions, 2008 Audi R8 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 102 kg more than 2008 Audi R8.
Because 2008 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi R8 (431 Nm @ 4500 RPM) has 196 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 2008 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2008 Audi R8 | |
| Make | Audi | Audi |
| Model | A6 | R8 |
| Year Released | 2004 | 2008 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2496 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 414 HP |
| Engine RPM | 6000 RPM | 7800 RPM |
| Torque | 235 Nm | 431 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 77.4 mm | 92.8 mm |
| Top Speed | 221 km/hour | 301 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 4.6 seconds |
| Drive Type | Front | AWD |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1560 kg |
| Vehicle Length | 4940 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1260 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 9.6 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
