2009 BMW Z4 vs. 2011 Audi A1
To start off, 2011 Audi A1 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW Z4. In addition, the cost of maintenance, including insurance, on 2009 BMW Z4 would be higher. At 2,979 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 194 more horse power than 2011 Audi A1. (141 HP @ 4200 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2011 Audi A1. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 485 kg more than 2011 Audi A1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2011 Audi A1, being front wheel drive (FWD), will offer much better control with better grip. 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 Audi A1 (320 Nm @ 2500 RPM) has 5 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2011 Audi A1 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 2011 Audi A1 | |
| Make | BMW | Audi |
| Model | Z4 | A1 |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 335 HP | 141 HP |
| Engine RPM | 7900 RPM | 4200 RPM |
| Torque | 315 Nm | 320 Nm |
| Torque RPM | 2750 RPM | 2500 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 8.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1525 kg | 1040 kg |
| Vehicle Length | 4100 mm | 3954 mm |
| Vehicle Width | 1790 mm | 1740 mm |
| Vehicle Height | 1310 mm | 1416 mm |
| Wheelbase Size | 2500 mm | 2469 mm |
| Fuel Tank Capacity | 55 L | 34 L |
