2008 BMW Z4 vs. 2005 BMW 316
To start off, 2008 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 316. In addition, the cost of maintenance, including insurance, on 2005 BMW 316 would be higher. At 2,497 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (175 HP @ 5800 RPM) has 62 more horse power than 2005 BMW 316. (113 HP @ 5500 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2005 BMW 316. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 316 weights approximately 25 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 (230 Nm @ 3500 RPM) has 55 more torque (in Nm) than 2005 BMW 316. (175 Nm @ 3750 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 316.
Compare all specifications:
| 2008 BMW Z4 | 2005 BMW 316 | |
| Make | BMW | BMW |
| Model | Z4 | 316 |
| Year Released | 2008 | 2005 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1794 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 113 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 230 Nm | 175 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 81 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 229 km/hour | 201 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 10.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1350 kg | 1375 kg |
| Vehicle Length | 4100 mm | 4270 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 8.2 L/100km | 7 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
