2004 Audi A4 vs. 2008 BMW 635
To start off, 2008 BMW 635 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,993 cc (6 cylinders), 2008 BMW 635 is equipped with a bigger engine. In terms of performance, 2008 BMW 635 (282 HP @ 4400 RPM) has 62 more horse power than 2004 Audi A4. (220 HP @ 6200 RPM) In normal driving conditions, 2008 BMW 635 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 45 kg more than 2008 BMW 635.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 635. In wet, icy, snow, or gravel driving conditions, 2004 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, 2008 BMW 635 (581 Nm) has 271 more torque (in Nm) than 2004 Audi A4. (310 Nm). This means 2008 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2008 BMW 635 | |
| Make | Audi | BMW |
| Model | A4 | 635 |
| Year Released | 2004 | 2008 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 282 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 310 Nm | 581 Nm |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1770 kg | 1725 kg |
| 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 | 11.2 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
