2007 Audi S4 vs. 2005 BMW 740
To start off, 2007 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 740. In addition, the cost of maintenance, including insurance, on 2005 BMW 740 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 6800 RPM) has 12 more horse power than 2005 BMW 740. (328 HP @ 6300 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2005 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 740 weights approximately 660 kg more than 2007 Audi S4.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 740. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 20 more torque (in Nm) than 2005 BMW 740. (390 Nm @ 3500 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 740.
Compare all specifications:
| 2007 Audi S4 | 2005 BMW 740 | |
| Make | Audi | BMW |
| Model | S4 | 740 |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 328 HP |
| Engine RPM | 6800 RPM | 6300 RPM |
| Torque | 410 Nm | 390 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Acceleration 0-100mph | 5.9 seconds | 6.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1935 kg |
| Vehicle Length | 4580 mm | 5190 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1490 mm |
| Wheelbase Size | 2660 mm | 3130 mm |
| Fuel Consumption Highway | 10.2 L/100km | 8.2 L/100km |
| Fuel Consumption City | 15.7 L/100km | 16.3 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
