2006 Audi S4 vs. 2005 BMW 740
To start off, 2006 Audi S4 is newer by 1 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), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 12 more horse power than 2005 BMW 740. (328 HP @ 6300 RPM). In normal driving conditions, 2006 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 405 kg more than 2006 Audi S4.
Because 2005 BMW 740 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 2005 BMW 740. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi S4, 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 20 more torque (in Nm) than 2005 BMW 740. (390 Nm @ 3500 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 740. 2005 BMW 740 has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 740 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi S4 | 2005 BMW 740 | |
| Make | Audi | BMW |
| Model | S4 | 740 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | 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 | 7000 RPM | 6300 RPM |
| Torque | 410 Nm | 390 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1935 kg |
| Vehicle Length | 4590 mm | 5190 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2660 mm | 3130 mm |
| Fuel Consumption Highway | 11.2 L/100km | 8.2 L/100km |
| Fuel Consumption City | 15.7 L/100km | 16.3 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
