2005 BMW 320 vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 3,000 cc (6 cylinders), 2010 BMW Z4 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (300 HP @ 5800 RPM) has 159 more horse power than 2005 BMW 320. (141 HP @ 4000 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW Z4 weights approximately 71 kg more than 2005 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, 2010 BMW Z4 (406 Nm @ 1400 RPM) has 76 more torque (in Nm) than 2005 BMW 320. (330 Nm @ 2000 RPM). This means 2010 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320.
Compare all specifications:
| 2005 BMW 320 | 2010 BMW Z4 | |
| Make | BMW | BMW |
| Model | 320 | Z4 |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 300 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 330 Nm | 406 Nm |
| Torque RPM | 2000 RPM | 1400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1494 kg | 1565 kg |
| Vehicle Length | 4480 mm | 4239 mm |
| Vehicle Width | 1750 mm | 1791 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2770 mm | 2497 mm |
| Fuel Consumption | 4.5 L/100km | 9.4 L/100km |
| Fuel Consumption City | 7.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
