2008 Audi A4 vs. 2008 Audi R8
To start off, both 2008 Audi A4 and 2008 Audi R8 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 253 more horse power than 2008 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2008 Audi R8 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi R8 weights approximately 20 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 2008 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2008 Audi A4. 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 206 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 RPM). This means 2008 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2008 Audi R8 | |
| Make | Audi | Audi |
| Model | A4 | R8 |
| Year Released | 2008 | 2008 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1781 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 414 HP |
| Engine RPM | 5700 RPM | 7800 RPM |
| Torque | 225 Nm | 431 Nm |
| Torque RPM | 1950 RPM | 4500 RPM |
| Engine Bore Size | 81.1 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.4 seconds | 4.6 seconds |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1560 kg |
| Vehicle Length | 4580 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1260 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 8.5 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
