2003 BMW M3 vs. 2009 Infiniti M
To start off, 2009 Infiniti M is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 3,496 cc (6 cylinders), 2009 Infiniti M is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 39 more horse power than 2009 Infiniti M. (303 HP @ 6800 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2009 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti M weights approximately 334 kg more than 2003 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 Infiniti M (355 Nm @ 4800 RPM) has 5 more torque (in Nm) than 2003 BMW M3. (350 Nm @ 4900 RPM). This means 2009 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3. 2009 Infiniti M has automatic transmission and 2003 BMW M3 has manual transmission. 2003 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW M3 | 2009 Infiniti M | |
| Make | BMW | Infiniti |
| Model | M3 | M |
| Year Released | 2003 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 3496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 303 HP |
| Engine RPM | 7900 RPM | 6800 RPM |
| Torque | 350 Nm | 355 Nm |
| Torque RPM | 4900 RPM | 4800 RPM |
| Engine Bore Size | 87 mm | 95.5 mm |
| Engine Stroke Size | 91 mm | 81.4 mm |
| Engine Compression Ratio | 11.5:1 | 10.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1719 kg |
| Vehicle Length | 4500 mm | 4940 mm |
| Vehicle Width | 1790 mm | 1810 mm |
| Vehicle Height | 1370 mm | 1520 mm |
| Wheelbase Size | 2730 mm | 2910 mm |
| Fuel Consumption | 8.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 17.8 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
