2009 BMW Z4 vs. 2007 Proton Savvy
To start off, 2009 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Proton Savvy. In addition, the cost of maintenance, including insurance, on 2007 Proton Savvy would be higher. At 3,246 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP) has 264 more horse power than 2007 Proton Savvy. (74 HP). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2007 Proton Savvy. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 522 kg more than 2007 Proton Savvy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 Proton Savvy, 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, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 260 more torque (in Nm) than 2007 Proton Savvy. (105 Nm @ 4250 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Proton Savvy.
Compare all specifications:
| 2009 BMW Z4 | 2007 Proton Savvy | |
| Make | BMW | Proton |
| Model | Z4 | Savvy |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1149 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 74 HP |
| Torque | 365 Nm | 105 Nm |
| Torque RPM | 4900 RPM | 4250 RPM |
| Engine Compression Ratio | 11.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 5 seconds | 14.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 963 kg |
| Vehicle Length | 4120 mm | 3720 mm |
| Vehicle Width | 1310 mm | 1650 mm |
| Vehicle Height | 1790 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 2400 mm |
| Fuel Consumption Overall | 12.3 L/100km | 5.3 L/100km |
| Fuel Tank Capacity | 70 L | 40 L |
