2008 Audi A6 vs. 2008 BMW 645

To start off, both 2008 Audi A6 and 2008 BMW 645 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 80 more horse power than 2008 Audi A6. (248 HP @ 5800 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 95 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 2008 BMW 645. 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 100 more torque (in Nm) than 2008 Audi A6. (350 Nm @ 1800 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.

Compare all specifications:

2008 Audi A6 2008 BMW 645
Make Audi BMW
Model A6 645
Year Released 2008 2008
Body Type Station Wagon Convertible
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 328 HP
Engine RPM 5800 RPM 6100 RPM
Torque 350 Nm 450 Nm
Torque RPM 1800 RPM 3600 RPM
Engine Bore Size 81 mm 92 mm
Engine Stroke Size 86.4 mm 82.7 mm
Engine Compression Ratio 9.0:1 10.0:1
Fuel Type Gasoline - Premium Gasoline - Premium
Top Speed 246 km/hour 250 km/hour
Acceleration 0-100mph 7 seconds 6.4 seconds
Drive Type 4WD Rear
Transmission Type Manual Manual
Number of Seats 5 seats 4 seats
Number of Doors 5 doors 2 doors
Vehicle Weight 1720 kg 1815 kg
Vehicle Length 4800 mm 4830 mm
Vehicle Width 1820 mm 1860 mm
Vehicle Height 1460 mm 1380 mm
Wheelbase Size 2770 mm 2790 mm
Fuel Consumption Overall 11.8 L/100km 12.8 L/100km
Fuel Tank Capacity 70 L 70 L