2007 Saab 03-Sep vs. 2005 BMW Z4
To start off, 2007 Saab 03-Sep 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 2,792 cc (6 cylinders), 2007 Saab 03-Sep is equipped with a bigger engine. In terms of performance, 2007 Saab 03-Sep (271 HP @ 5500 RPM) has 103 more horse power than 2005 BMW Z4. (168 HP @ 6250 RPM). In normal driving conditions, 2007 Saab 03-Sep should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Saab 03-Sep weights approximately 280 kg more than 2005 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Saab 03-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, 2007 Saab 03-Sep (401 Nm @ 2000 RPM) has 191 more torque (in Nm) than 2005 BMW Z4. (210 Nm @ 3500 RPM). This means 2007 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4. 2005 BMW Z4 has automatic transmission and 2007 Saab 03-Sep has manual transmission. 2007 Saab 03-Sep will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Saab 03-Sep | 2005 BMW Z4 | |
| Make | Saab | BMW |
| Model | 03-Sep | Z4 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 168 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 401 Nm | 210 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 80 mm |
| Engine Stroke Size | 74.8 mm | 72 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 260 km/hour | 225 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 7.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1605 kg | 1325 kg |
| Vehicle Length | 4640 mm | 4100 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2680 mm | 2500 mm |
| Fuel Consumption Overall | 10.3 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 58 L | 55 L |
