2008 BMW 645 vs. 2011 Audi S4
To start off, 2011 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 BMW 645. In addition, the cost of maintenance, including insurance, on 2008 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2011 Audi S4 (333 HP @ 5500 RPM) has 5 more horse power than 2008 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2011 Audi S4 should accelerate faster than 2008 BMW 645.
Because 2011 Audi S4 is all wheel drive (AWD), it will have significant more traction and grip than 2008 BMW 645. In wet, icy, snow, or gravel driving conditions, 2011 Audi S4 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 10 more torque (in Nm) than 2011 Audi S4. (440 Nm @ 2900 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi S4.
Compare all specifications:
2008 BMW 645 | 2011 Audi S4 | |
Make | BMW | Audi |
Model | 645 | S4 |
Year Released | 2008 | 2011 |
Body Type | Convertible | Station Wagon |
Engine Position | Front | Front |
Engine Size | 4398 cc | 3000 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 333 HP |
Engine RPM | 6100 RPM | 5500 RPM |
Torque | 450 Nm | 440 Nm |
Torque RPM | 3600 RPM | 2900 RPM |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | AWD |
Transmission Type | Manual | 6-speed manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Length | 4830 mm | 4704 mm |
Vehicle Width | 1860 mm | 1829 mm |
Vehicle Height | 1380 mm | 1427 mm |
Wheelbase Size | 2790 mm | 2809 mm |
Fuel Tank Capacity | 70 L | 64 L |