2003 Audi A6 vs. 2007 BMW 650
To start off, 2007 BMW 650 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 4,798 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (362 HP @ 6300 RPM) has 136 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 650 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 22 kg more than 2007 BMW 650.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 650. In wet, icy, snow, or gravel driving conditions, 2003 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, 2007 BMW 650 (490 Nm @ 3400 RPM) has 180 more torque (in Nm) than 2003 Audi A6. (310 Nm @ 1700 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2007 BMW 650 has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 2007 BMW 650 | |
| Make | Audi | BMW |
| Model | A6 | 650 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4798 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 226 HP | 362 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 310 Nm | 490 Nm |
| Torque RPM | 1700 RPM | 3400 RPM |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 5.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1640 kg |
| Vehicle Length | 4800 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1380 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Tank Capacity | 70 L | 70 L |
