2007 Audi R8 vs. 2007 Audi A4
To start off, both 2007 Audi R8 and 2007 Audi A4 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 214 more horse power than 2007 Audi A4. (200 HP @ 5100 RPM). In normal driving conditions, 2007 Audi R8 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi R8 weights approximately 75 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 149 more torque (in Nm) than 2007 Audi A4. (281 Nm @ 1800 RPM). This means 2007 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi R8 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | R8 | A4 |
| Year Released | 2007 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 1984 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 200 HP |
| Engine RPM | 7800 RPM | 5100 RPM |
| Torque | 430 Nm | 281 Nm |
| Torque RPM | 4500 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1490 kg |
| Vehicle Length | 4590 mm | 4590 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1260 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 13.6 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 75 L | 63 L |
