2005 Audi A6 vs. 2003 BMW 545
To start off, 2005 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 150 more horse power than 2005 Audi A6. (178 HP @ 4000 RPM) In normal driving conditions, 2003 BMW 545 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 60 kg more than 2003 BMW 545.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 545. In wet, icy, snow, or gravel driving conditions, 2005 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, 2003 BMW 545 (451 Nm @ 3600 RPM) has 81 more torque (in Nm) than 2005 Audi A6. (370 Nm @ 1500 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2003 BMW 545 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2003 BMW 545 | |
| Make | Audi | BMW |
| Model | A6 | 545 |
| Year Released | 2005 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 328 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 370 Nm | 451 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Bore Size | 78.3 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 82.7 mm |
| Top Speed | 221 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1670 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption Overall | 8.3 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
