2003 Infiniti Q45 vs. 2011 BMW 125
To start off, 2011 BMW 125 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2003 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 125 more horse power than 2011 BMW 125. (215 HP @ 6700 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2011 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 279 kg more than 2011 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, 2003 Infiniti Q45 (451 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2011 BMW 125. (271 Nm @ 2500 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 125. 2003 Infiniti Q45 has automatic transmission and 2011 BMW 125 has manual transmission. 2011 BMW 125 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Infiniti Q45 | 2011 BMW 125 | |
| Make | Infiniti | BMW |
| Model | Q45 | 125 |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 215 HP |
| Engine RPM | 6400 RPM | 6700 RPM |
| Torque | 451 Nm | 271 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1804 kg | 1525 kg |
| Vehicle Length | 5080 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1420 mm |
| Vehicle Height | 1500 mm | 1760 mm |
| Wheelbase Size | 2880 mm | 2670 mm |
| Fuel Tank Capacity | 81 L | 53 L |
