2004 Audi A6 vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 115 more horse power than 2004 Audi A6. (247 HP @ 6500 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 175 kg more than 2009 BMW 650.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 650. In wet, icy, snow, or gravel driving conditions, 2004 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, 2009 BMW 650 (490 Nm @ 3400 RPM) has 160 more torque (in Nm) than 2004 Audi A6. (330 Nm @ 3250 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6. 2009 BMW 650 has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 2009 BMW 650 | |
| Make | Audi | BMW |
| Model | A6 | 650 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 362 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 490 Nm |
| Torque RPM | 3250 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 5.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1700 kg | 1525 kg |
| Vehicle Length | 4940 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1380 mm |
| Vehicle Height | 1470 mm | 1860 mm |
| Wheelbase Size | 2850 mm | 2790 mm |
| Fuel Consumption Overall | 11 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
