2008 BMW 320 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 320. In addition, the cost of maintenance, including insurance, on 2008 BMW 320 would be higher. At 2,979 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 174 more horse power than 2008 BMW 320. (161 HP @ 4000 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2008 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 35 kg more than 2008 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 320 (330 Nm @ 2000 RPM) has 15 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2008 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2008 BMW 320 | 2009 BMW Z4 | |
| Make | BMW | BMW |
| Model | 320 | Z4 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 335 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 330 Nm | 315 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 221 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 6.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1525 kg |
| Vehicle Length | 4530 mm | 4100 mm |
| Vehicle Width | 1430 mm | 1790 mm |
| Vehicle Height | 1820 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 5.7 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 60 L | 55 L |
