2005 BMW Z4 vs. 2007 Chevrolet Cobalt
To start off, 2007 Chevrolet Cobalt is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW Z4. In addition, the cost of maintenance, including insurance, on 2005 BMW Z4 would be higher. At 2,393 cc (4 cylinders), 2007 Chevrolet Cobalt is equipped with a bigger engine. In terms of performance, 2007 Chevrolet Cobalt (171 HP @ 5800 RPM) has 3 more horse power than 2005 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2007 Chevrolet Cobalt should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW Z4 weights approximately 64 kg more than 2007 Chevrolet Cobalt.
Because 2005 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 2005 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 Chevrolet Cobalt, 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, 2007 Chevrolet Cobalt (226 Nm @ 4500 RPM) has 16 more torque (in Nm) than 2005 BMW Z4. (210 Nm @ 3500 RPM). This means 2007 Chevrolet Cobalt will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4.
Compare all specifications:
| 2005 BMW Z4 | 2007 Chevrolet Cobalt | |
| Make | BMW | Chevrolet |
| Model | Z4 | Cobalt |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2393 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 171 HP |
| Engine RPM | 6250 RPM | 5800 RPM |
| Torque | 210 Nm | 226 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1261 kg |
| Vehicle Length | 4100 mm | 4590 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2630 mm |
| Fuel Consumption Overall | 8.9 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 55 L | 49 L |
