2007 Audi A6 vs. 2003 BMW 545
To start off, 2007 Audi A6 is newer by 4 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 149 more horse power than 2007 Audi A6. (179 HP @ 3300 RPM) In normal driving conditions, 2003 BMW 545 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 25 kg more than 2003 BMW 545.
Because 2007 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, 2007 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 71 more torque (in Nm) than 2007 Audi A6. (380 Nm @ 1400 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6. 2003 BMW 545 has automatic transmission and 2007 Audi A6 has manual transmission. 2007 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:
| 2007 Audi A6 | 2003 BMW 545 | |
| Make | Audi | BMW |
| Model | A6 | 545 |
| Year Released | 2007 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 328 HP |
| Engine RPM | 3300 RPM | 6100 RPM |
| Torque | 380 Nm | 451 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 83.1 mm | 82.7 mm |
| Top Speed | 223 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 | 1695 kg | 1670 kg |
| Vehicle Length | 4590 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 8.3 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
