2003 BMW 320 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 320. In addition, the cost of maintenance, including insurance, on 2003 BMW 320 would be higher. At 3,496 cc (6 cylinders), 2009 Infiniti M is equipped with a bigger engine. In terms of performance, 2009 Infiniti M (303 HP @ 6800 RPM) has 153 more horse power than 2003 BMW 320. (150 HP @ 4000 RPM) In normal driving conditions, 2009 Infiniti M should accelerate faster than 2003 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti M weights approximately 214 kg more than 2003 BMW 320. 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 Infiniti M (355 Nm @ 4800 RPM) has 5 more torque (in Nm) than 2003 BMW 320. (350 Nm @ 2000 RPM). This means 2009 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 320.
Compare all specifications:
| 2003 BMW 320 | 2009 Infiniti M | |
| Make | BMW | Infiniti |
| Model | 320 | M |
| Year Released | 2003 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 150 HP | 303 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 350 Nm | 355 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Compression Ratio | 17.0:1 | 10.6:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1505 kg | 1719 kg |
| Vehicle Length | 4490 mm | 4940 mm |
| Vehicle Width | 1760 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1520 mm |
| Wheelbase Size | 2800 mm | 2910 mm |
| Fuel Consumption | 5.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 9.7 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 6.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
