2008 BMW Z4 vs. 2009 BMW 320
To start off, 2009 BMW 320 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW Z4. In addition, the cost of maintenance, including insurance, on 2008 BMW Z4 would be higher. At 2,494 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (215 HP @ 6500 RPM) has 67 more horse power than 2009 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 320 weights approximately 105 kg more than 2008 BMW Z4.
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 Z4 (250 Nm) has 50 more torque (in Nm) than 2009 BMW 320. (200 Nm). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320. 2008 BMW Z4 has automatic transmission and 2009 BMW 320 has manual transmission. 2009 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 2009 BMW 320 | |
| Make | BMW | BMW |
| Model | Z4 | 320 |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 148 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 250 Nm | 200 Nm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 222 km/hour | 220 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 9.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1290 kg | 1395 kg |
| Vehicle Length | 4100 mm | 4530 mm |
| Vehicle Width | 1790 mm | 1430 mm |
| Vehicle Height | 1310 mm | 1820 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption Overall | 9.5 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
