2009 BMW Z4 vs. 2009 BMW 125
To start off, both 2009 BMW Z4 and 2009 BMW 125 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. Both 2009 BMW Z4 and 2009 BMW 125 are equipped with a 2,996 cc engine. In terms of performance, 2009 BMW Z4 (261 HP @ 6600 RPM) has 45 more horse power than 2009 BMW 125. (216 HP @ 6700 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2009 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 75 kg more than 2009 BMW 125. 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, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 45 more torque (in Nm) than 2009 BMW 125. (270 Nm @ 2500 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 125.
Compare all specifications:
| 2009 BMW Z4 | 2009 BMW 125 | |
| Make | BMW | BMW |
| Model | Z4 | 125 |
| Year Released | 2009 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 216 HP |
| Engine RPM | 6600 RPM | 6700 RPM |
| Torque | 315 Nm | 270 Nm |
| Torque RPM | 2750 RPM | 2500 RPM |
| Engine Bore Size | 85.1 mm | 85 mm |
| Engine Stroke Size | 88 mm | 88 mm |
| Engine Compression Ratio | 10.7:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.7 seconds | 6.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1320 kg |
| Vehicle Length | 4100 mm | 4370 mm |
| Vehicle Width | 1790 mm | 1420 mm |
| Vehicle Height | 1270 mm | 1760 mm |
| Wheelbase Size | 2500 mm | 2670 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 55 L | 53 L |
