2006 BMW Z4 vs. 2005 Volkswagen Passat
To start off, 2006 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 2005 Volkswagen Passat would be higher. At 3,999 cc (8 cylinders), 2005 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2005 Volkswagen Passat (271 HP @ 6000 RPM) has 103 more horse power than 2006 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2005 Volkswagen Passat should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Volkswagen Passat weights approximately 499 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 2005 Volkswagen Passat 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, 2005 Volkswagen Passat 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, 2005 Volkswagen Passat (370 Nm @ 2750 RPM) has 160 more torque (in Nm) than 2006 BMW Z4. (210 Nm @ 3500 RPM). This means 2005 Volkswagen Passat will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2005 Volkswagen Passat | |
| Make | BMW | Volkswagen |
| Model | Z4 | Passat |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 3999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 271 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 210 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 72 mm | 90.2 mm |
| Engine Compression Ratio | 10.8:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 6.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1824 kg |
| Vehicle Length | 4100 mm | 4690 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1310 mm | 1500 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
| Fuel Consumption Overall | 8.9 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 55 L | 80 L |
