2009 Audi RS4 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi RS4. In addition, the cost of maintenance, including insurance, on 2009 Audi RS4 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 25 more horse power than 2009 Audi RS4. (414 HP @ 7800 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2009 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 332 kg more than 2009 Audi RS4. 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 221 more torque (in Nm) than 2009 Audi RS4. (430 Nm @ 5500 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi RS4. 2013 BMW 7 Series has automatic transmission and 2009 Audi RS4 has manual transmission. 2009 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi RS4 | 2013 BMW 7 Series | |
| Make | Audi | BMW |
| Model | RS4 | 7 Series |
| Year Released | 2009 | 2013 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 439 HP |
| Engine RPM | 7800 RPM | 5500 RPM |
| Torque | 430 Nm | 651 Nm |
| Torque RPM | 5500 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 12.5:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 4.6 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1845 kg | 2177 kg |
| Vehicle Length | 4560 mm | 5214 mm |
| Vehicle Width | 1820 mm | 2134 mm |
| Vehicle Height | 1400 mm | 1481 mm |
| Wheelbase Size | 2660 mm | 3210 mm |
| Fuel Tank Capacity | 63 L | 80 L |
