2006 BMW Z4 vs. 2006 BMW 318
To start off, both 2006 BMW Z4 and 2006 BMW 318 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 48 more horse power than 2006 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2006 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 318 weights approximately 140 kg more than 2006 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 45 more torque (in Nm) than 2006 BMW 318. (200 Nm @ 3750 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 318. 2006 BMW 318 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 318 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2006 BMW 318 | |
| Make | BMW | BMW |
| Model | Z4 | 318 |
| Year Released | 2006 | 2006 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 141 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 213 km/hour |
| Acceleration 0-100mph | 7 seconds | 9.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1335 kg | 1475 kg |
| Vehicle Length | 4100 mm | 4480 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 9 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
