2007 Audi S4 vs. 2008 BMW 730
To start off, 2008 BMW 730 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 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 (341 HP @ 7000 RPM) has 87 more horse power than 2008 BMW 730. (254 HP @ 6600 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2008 BMW 730.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 110 more torque (in Nm) than 2008 BMW 730. (300 Nm @ 2500 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 730. 2008 BMW 730 has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2008 BMW 730 | |
| Make | Audi | BMW |
| Model | S4 | 730 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 341 HP | 254 HP |
| Engine RPM | 7000 RPM | 6600 RPM |
| Torque | 410 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 249 km/hour | 244 km/hour |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 5040 mm |
| Vehicle Width | 1730 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2650 mm | 3000 mm |
| Fuel Tank Capacity | 63 L | 88 L |
