2007 BMW Z4 vs. 2007 BMW 320
To start off, both 2007 BMW Z4 and 2007 BMW 320 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,995 cc (4 cylinders), 2007 BMW 320 is equipped with a bigger engine. In terms of performance, 2007 BMW 320 (154 HP @ 4000 RPM) has 6 more horse power than 2007 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 2007 BMW 320 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 320 weights approximately 135 kg more than 2007 BMW Z4. 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, 2007 BMW 320 (330 Nm @ 2000 RPM) has 130 more torque (in Nm) than 2007 BMW Z4. (200 Nm @ 3600 RPM). This means 2007 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2007 BMW 320 | |
| Make | BMW | BMW |
| Model | Z4 | 320 |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 154 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 200 Nm | 330 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 220 km/hour | 225 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 8.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1295 kg | 1430 kg |
| Vehicle Length | 4100 mm | 4530 mm |
| Vehicle Width | 1310 mm | 1420 mm |
| Vehicle Height | 1790 mm | 1820 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption Overall | 7.5 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
