2009 BMW M3 vs. 2011 BMW 125
To start off, 2011 BMW 125 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW M3. In addition, the cost of maintenance, including insurance, on 2009 BMW M3 would be higher. At 3,999 cc (8 cylinders), 2009 BMW M3 is equipped with a bigger engine. In terms of performance, 2009 BMW M3 (414 HP @ 8300 RPM) has 199 more horse power than 2011 BMW 125. (215 HP @ 6700 RPM). In normal driving conditions, 2009 BMW M3 should accelerate faster than 2011 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 125 weights approximately 145 kg more than 2009 BMW M3.
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 M3 (401 Nm @ 3900 RPM) has 131 more torque (in Nm) than 2011 BMW 125. (270 Nm @ 2500 RPM). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 125.
Compare all specifications:
| 2009 BMW M3 | 2011 BMW 125 | |
| Make | BMW | BMW |
| Model | M3 | 125 |
| Year Released | 2009 | 2011 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3999 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 215 HP |
| Engine RPM | 8300 RPM | 6700 RPM |
| Torque | 401 Nm | 270 Nm |
| Torque RPM | 3900 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 85 mm |
| Engine Stroke Size | 75.2 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 6.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1530 kg |
| Vehicle Length | 4620 mm | 4370 mm |
| Vehicle Width | 1420 mm | 1420 mm |
| Vehicle Height | 1810 mm | 1760 mm |
| Wheelbase Size | 2770 mm | 2670 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 63 L | 53 L |
