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 3,244 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 190 more horse power than 2008 BMW 320. (148 HP @ 6200 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, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 165 more torque (in Nm) than 2008 BMW 320. (200 Nm @ 3600 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 320. 2008 BMW 320 has automatic transmission and 2009 BMW Z4 has manual transmission. 2009 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 320 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 320 | 2009 BMW Z4 | |
| Make | BMW | BMW |
| Model | 320 | Z4 |
| Year Released | 2008 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3244 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 338 HP |
| Engine RPM | 6200 RPM | 7900 RPM |
| Torque | 200 Nm | 365 Nm |
| Torque RPM | 3600 RPM | 4900 RPM |
| Engine Bore Size | 84 mm | 87 mm |
| Engine Stroke Size | 90 mm | 91 mm |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 213 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1460 kg | 1495 kg |
| Vehicle Length | 4530 mm | 4120 mm |
| Vehicle Width | 1420 mm | 1790 mm |
| Vehicle Height | 1820 mm | 1290 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 8.1 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
