2005 Audi S4 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (339 HP @ 7000 RPM) has 4 more horse power than 2011 BMW Z4. (335 HP @ 5900 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2011 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 185 kg more than 2011 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2011 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 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, 2011 BMW Z4 (450 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2005 Audi S4. (410 Nm @ 3500 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4. 2011 BMW Z4 has automatic transmission and 2005 Audi S4 has manual transmission. 2005 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi S4 | 2011 BMW Z4 | |
| Make | Audi | BMW |
| Model | S4 | Z4 |
| Year Released | 2005 | 2011 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 335 HP |
| Engine RPM | 7000 RPM | 5900 RPM |
| Torque | 410 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 7-speed automated manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1795 kg | 1610 kg |
| Vehicle Length | 4580 mm | 4242 mm |
| Vehicle Width | 1790 mm | 1791 mm |
| Vehicle Height | 1450 mm | 1285 mm |
| Wheelbase Size | 2660 mm | 2497 mm |
| Fuel Tank Capacity | 66 L | 55 L |
