2006 BMW Z4 vs. 2013 Audi A5
To start off, 2013 Audi A5 is newer by 7 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,170 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2013 Audi A5 (208 HP) has 40 more horse power than 2006 BMW Z4. (168 HP) In normal driving conditions, 2013 Audi A5 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A5 weights approximately 345 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2013 Audi A5 (350 Nm @ 4200 RPM) has 140 more torque (in Nm) than 2006 BMW Z4. (210 Nm @ 3500 RPM). This means 2013 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2013 Audi A5 | |
| Make | BMW | Audi |
| Model | Z4 | A5 |
| Year Released | 2006 | 2013 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | rear |
| Engine Size | 2170 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 208 HP |
| Torque | 210 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Engine Bore Size | 80 mm | 82.5 mm |
| Engine Stroke Size | 72 mm | 92.8 mm |
| Engine Compression Ratio | 10.8:1 | 9.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 225 km/hour | 209 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1325 kg | 1670 kg |
| Vehicle Length | 4100 mm | 4626 mm |
| Vehicle Width | 1790 mm | 2020 mm |
| Vehicle Height | 1310 mm | 1372 mm |
| Wheelbase Size | 2500 mm | 2751 mm |
