1999 BMW 320 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 BMW 320. In addition, the cost of maintenance, including insurance, on 1999 BMW 320 would be higher. At 2,494 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (189 HP @ 6000 RPM) has 55 more horse power than 1999 BMW 320. (134 HP @ 4000 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1999 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 320 weights approximately 110 kg more than 2007 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, 1999 BMW 320 (280 Nm @ 1750 RPM) has 35 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 1999 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 1999 BMW 320 | 2007 BMW Z4 | |
| Make | BMW | BMW |
| Model | 320 | Z4 |
| Year Released | 1999 | 2007 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 189 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 280 Nm | 245 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1370 kg | 1260 kg |
| Vehicle Length | 4480 mm | 4100 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Tank Capacity | 52 L | 55 L |
