2008 BMW Z4 vs. 2006 Chevrolet Optra
To start off, 2008 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Chevrolet Optra. In addition, the cost of maintenance, including insurance, on 2006 Chevrolet Optra would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP) has 230 more horse power than 2006 Chevrolet Optra. (108 HP). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2006 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet Optra weights approximately 298 kg more than 2008 BMW Z4.
Because 2008 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 2008 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 Chevrolet Optra, 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 215 more torque (in Nm) than 2006 Chevrolet Optra. (150 Nm @ 4000 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Optra.
Compare all specifications:
| 2008 BMW Z4 | 2006 Chevrolet Optra | |
| Make | BMW | Chevrolet |
| Model | Z4 | Optra |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 108 HP |
| Torque | 365 Nm | 150 Nm |
| Torque RPM | 4900 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 79.1 mm |
| Engine Stroke Size | 91 mm | 81.5 mm |
| Engine Compression Ratio | 11.5:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1793 kg |
| Vehicle Length | 4870 mm | 4440 mm |
| Vehicle Height | 1470 mm | 1250 mm |
| Wheelbase Size | 2500 mm | 2610 mm |
| Fuel Consumption Overall | 12.3 L/100km | 14 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
