2005 Audi A6 vs. 2003 BMW 645
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 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 58 more horse power than 2005 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2003 BMW 645 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 158 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 645 (450 Nm @ 3600 RPM) has 120 more torque (in Nm) than 2005 Audi A6. (330 Nm @ 3250 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2003 BMW 645 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 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 Audi A6 | 2003 BMW 645 | |
Make | Audi | BMW |
Model | A6 | 645 |
Year Released | 2005 | 2003 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 3121 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 252 HP | 310 HP |
Engine RPM | 6500 RPM | 6000 RPM |
Torque | 330 Nm | 450 Nm |
Torque RPM | 3250 RPM | 3600 RPM |
Engine Bore Size | 84.5 mm | 92 mm |
Engine Stroke Size | 92.8 mm | 82.7 mm |
Engine Compression Ratio | 13.0:1 | 10.5:1 |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 6.9 seconds | 5.9 seconds |
Drive Type | Front | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1540 kg | 1698 kg |
Vehicle Length | 4920 mm | 4830 mm |
Vehicle Width | 1860 mm | 1860 mm |
Vehicle Height | 1470 mm | 1380 mm |
Wheelbase Size | 2770 mm | 2790 mm |
Fuel Consumption Overall | 9.7 L/100km | 10.9 L/100km |
Fuel Tank Capacity | 70 L | 70 L |