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 2,769 cc (6 cylinders), 2005 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2005 Volkswagen Passat (190 HP @ 4000 RPM) has 1 more horse power than 2006 BMW Z4. (189 HP @ 6000 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 252 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.
Let's talk about torque, 2005 Volkswagen Passat (279 Nm) has 34 more torque (in Nm) than 2006 BMW Z4. (245 Nm). 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 | 2492 cc | 2769 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 189 HP | 190 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 279 Nm |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 10.6:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1335 kg | 1587 kg |
| Vehicle Length | 4100 mm | 4690 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
| Fuel Consumption Overall | 9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 55 L | 62 L |
