2006 Audi A4 vs. 2009 BMW 635
To start off, 2009 BMW 635 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 112 more horse power than 2006 Audi A4. (170 HP @ 5900 RPM) In normal driving conditions, 2009 BMW 635 should accelerate faster than 2006 Audi A4.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 635. In wet, icy, snow, or gravel driving conditions, 2006 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, 2009 BMW 635 (580 Nm @ 1750 RPM) has 354 more torque (in Nm) than 2006 Audi A4. (226 Nm @ 1950 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2009 BMW 635 | |
| Make | Audi | BMW |
| Model | A4 | 635 |
| Year Released | 2006 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 282 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 226 Nm | 580 Nm |
| Torque RPM | 1950 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 226 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 6.6 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4580 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 9.1 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
