2006 BMW Z4 vs. 2006 Audi A4
To start off, both 2006 BMW Z4 and 2006 Audi A4 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (230 HP @ 4000 RPM) has 41 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 455 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.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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, 2006 Audi A4 (451 Nm @ 1400 RPM) has 206 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2006 Audi A4 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2006 Audi A4 | |
| Make | BMW | Audi |
| Model | Z4 | A4 |
| Year Released | 2006 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 230 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 451 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 75 mm | 91.4 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 235 km/hour | 242 km/hour |
| Acceleration 0-100mph | 7 seconds | 7.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1335 kg | 1790 kg |
| Vehicle Length | 4100 mm | 4580 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2500 mm | 2660 mm |
| Fuel Consumption Overall | 9 L/100km | 8 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
