2004 Audi S4 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 2 more horse power than 2007 BMW Z4. (338 HP @ 7900 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 410 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Audi S4 (411 Nm) has 46 more torque (in Nm) than 2007 BMW Z4. (365 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2004 Audi S4 | 2007 BMW Z4 | |
| Make | Audi | BMW |
| Model | S4 | Z4 |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3246 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 338 HP |
| Engine RPM | 6200 RPM | 7900 RPM |
| Torque | 411 Nm | 365 Nm |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1485 kg |
| Vehicle Length | 4580 mm | 4120 mm |
| Vehicle Width | 1780 mm | 1310 mm |
| Vehicle Height | 1400 mm | 1790 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 11.8 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
