2009 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 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 217 more horse power than 2009 Audi A4. (222 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 542 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 7 Series. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 201 more torque (in Nm) than 2009 Audi A4. (450 Nm @ 1400 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2013 BMW 7 Series has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 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 A4 | 2013 BMW 7 Series | |
| Make | Audi | BMW |
| Model | A4 | 7 Series |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 439 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 450 Nm | 651 Nm |
| Torque RPM | 1400 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 91.4 mm | 88 mm |
| Engine Compression Ratio | 17.0:1 | 10.0 :1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1610 kg | 2152 kg |
| Vehicle Length | 4550 mm | 5074 mm |
| Vehicle Width | 1780 mm | 2134 mm |
| Vehicle Height | 1430 mm | 1471 mm |
| Wheelbase Size | 2660 mm | 3070 mm |
| Fuel Tank Capacity | 70 L | 80 L |
