2009 BMW Z4 vs. 2007 Saab 05-Sep
To start off, 2009 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Saab 05-Sep. In addition, the cost of maintenance, including insurance, on 2007 Saab 05-Sep would be higher. At 2,996 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 153 more horse power than 2007 Saab 05-Sep. (182 HP @ 5500 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2007 Saab 05-Sep. With that said, vehicle weight also plays an important factor in acceleration. 2007 Saab 05-Sep weights approximately 285 kg more than 2009 BMW Z4.
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 Saab 05-Sep, 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 (315 Nm @ 2750 RPM) has 35 more torque (in Nm) than 2007 Saab 05-Sep. (280 Nm @ 1800 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Saab 05-Sep. 2009 BMW Z4 has automatic transmission and 2007 Saab 05-Sep has manual transmission. 2007 Saab 05-Sep will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW Z4 | 2007 Saab 05-Sep | |
| Make | BMW | Saab |
| Model | Z4 | 05-Sep |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2290 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 182 HP |
| Engine RPM | 7900 RPM | 5500 RPM |
| Torque | 315 Nm | 280 Nm |
| Torque RPM | 2750 RPM | 1800 RPM |
| Engine Compression Ratio | 12.0:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 244 km/hour | 215 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 8.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1595 kg |
| Vehicle Length | 4100 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
| Fuel Consumption Overall | 9.7 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 55 L | 75 L |
