2006 BMW Z4 vs. 2012 Audi R8
To start off, 2012 Audi R8 is newer by 6 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 4,200 cc (8 cylinders), 2012 Audi R8 is equipped with a bigger engine. In terms of performance, 2012 Audi R8 (420 HP) has 272 more horse power than 2006 BMW Z4. (148 HP) In normal driving conditions, 2012 Audi R8 should accelerate faster than 2006 BMW Z4.
Because 2012 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2012 Audi R8 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, 2012 Audi R8 (430 Nm @ 4500 RPM) has 230 more torque (in Nm) than 2006 BMW Z4. (200 Nm @ 3600 RPM). This means 2012 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2012 Audi R8 | |
| Make | BMW | Audi |
| Model | Z4 | R8 |
| Year Released | 2006 | 2012 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1995 cc | 4200 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 420 HP |
| Torque | 200 Nm | 430 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4100 mm | 4435 mm |
| Vehicle Width | 1790 mm | 1905 mm |
| Vehicle Height | 1310 mm | 1245 mm |
| Wheelbase Size | 2500 mm | 2649 mm |
| Fuel Consumption | 5.6 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
