2008 Audi A6 vs. 2004 BMW 545
To start off, 2008 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 BMW 545. In addition, the cost of maintenance, including insurance, on 2004 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 545 is equipped with a bigger engine. In terms of performance, 2004 BMW 545 (325 HP @ 6100 RPM) has 77 more horse power than 2008 Audi A6. (248 HP @ 5800 RPM) In normal driving conditions, 2004 BMW 545 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 545 weights approximately 80 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 545. In wet, icy, snow, or gravel driving conditions, 2008 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, 2004 BMW 545 (450 Nm @ 3600 RPM) has 100 more torque (in Nm) than 2008 Audi A6. (350 Nm @ 1800 RPM). This means 2004 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2004 BMW 545 has automatic transmission and 2008 Audi A6 has manual transmission. 2008 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 2004 BMW 545 | |
| Make | Audi | BMW |
| Model | A6 | 545 |
| Year Released | 2008 | 2004 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 248 HP | 325 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 350 Nm | 450 Nm |
| Torque RPM | 1800 RPM | 3600 RPM |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Top Speed | 246 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7 seconds | 6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1720 kg | 1800 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2830 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
