2006 BMW Z4 vs. 2005 Chevrolet Vivant
To start off, 2006 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Vivant. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Vivant would be higher. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (229 HP @ 5900 RPM) has 109 more horse power than 2005 Chevrolet Vivant. (120 HP @ 5600 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2005 Chevrolet Vivant. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 322 kg more than 2005 Chevrolet Vivant. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Vivant, 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, 2006 BMW Z4 (300 Nm @ 3500 RPM) has 124 more torque (in Nm) than 2005 Chevrolet Vivant. (176 Nm @ 4000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Vivant.
Compare all specifications:
| 2006 BMW Z4 | 2005 Chevrolet Vivant | |
| Make | BMW | Chevrolet |
| Model | Z4 | Vivant |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 120 HP |
| Engine RPM | 5900 RPM | 5600 RPM |
| Torque | 300 Nm | 176 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Compression Ratio | 10.2:1 | 9.6:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1308 kg |
| Wheelbase Size | 2500 mm | 2630 mm |
| Fuel Tank Capacity | 55 L | 60 L |
