2009 BMW Z4 vs. 2010 BMW 125
To start off, 2010 BMW 125 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 BMW Z4. In addition, the cost of maintenance, including insurance, on 2009 BMW Z4 would be higher. At 2,996 cc (6 cylinders), 2010 BMW 125 is equipped with a bigger engine. In terms of performance, both vehicles can yield 215 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW 125 weights approximately 295 kg more than 2009 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, 2010 BMW 125 (271 Nm @ 2500 RPM) has 21 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2000 RPM). This means 2010 BMW 125 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2009 BMW Z4 has automatic transmission and 2010 BMW 125 has manual transmission. 2010 BMW 125 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW Z4 | 2010 BMW 125 | |
| Make | BMW | BMW |
| Model | Z4 | 125 |
| Year Released | 2009 | 2010 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 215 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 250 Nm | 271 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 227 km/hour | 238 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 6.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1290 kg | 1585 kg |
| Vehicle Length | 4100 mm | 4370 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2670 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 55 L | 53 L |
