2008 Audi A8 vs. 2007 Audi RS4
To start off, 2008 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi RS4. In addition, the cost of maintenance, including insurance, on 2007 Audi RS4 would be higher. At 4,171 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 84 more horse power than 2008 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2008 Audi A8.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 RS4 (431 Nm @ 5500 RPM) has 1 more torque (in Nm) than 2008 Audi A8. (430 Nm @ 3500 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8. 2008 Audi A8 has automatic transmission and 2007 Audi RS4 has manual transmission. 2007 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2007 Audi RS4 | |
| Make | Audi | Audi |
| Model | A8 | RS4 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 414 HP |
| Engine RPM | 6500 RPM | 7800 RPM |
| Torque | 430 Nm | 431 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 4.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5060 mm | 4600 mm |
| Vehicle Width | 1900 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2650 mm |
| Fuel Consumption Overall | 11.9 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
