2009 Audi A6 vs. 2005 BMW 748
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 748. In addition, the cost of maintenance, including insurance, on 2005 BMW 748 would be higher. At 4,799 cc (8 cylinders), 2005 BMW 748 is equipped with a bigger engine. In terms of performance, 2005 BMW 748 (362 HP @ 6000 RPM) has 12 more horse power than 2009 Audi A6. (350 HP @ 6800 RPM) In normal driving conditions, 2005 BMW 748 should accelerate faster than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 748. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2005 BMW 748 (500 Nm @ 3400 RPM) has 59 more torque (in Nm) than 2009 Audi A6. (441 Nm @ 3500 RPM). This means 2005 BMW 748 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2005 BMW 748 | |
| Make | Audi | BMW |
| Model | A6 | 748 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4799 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 362 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 441 Nm | 500 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 88.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4930 mm | 5040 mm |
| Vehicle Width | 2040 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2850 mm | 3000 mm |
