2003 BMW 320 vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 8 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 3,700 cc (6 cylinders), 2011 Infiniti M is equipped with a bigger engine. In terms of performance, 2011 Infiniti M (330 HP @ 7000 RPM) has 182 more horse power than 2003 BMW 320. (148 HP @ 5900 RPM) In normal driving conditions, 2011 Infiniti M should accelerate faster than 2003 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti M weights approximately 378 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.
Because 2011 Infiniti M is all wheel drive (AWD), it will have significant more traction and grip than 2003 BMW 320. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti M will offer significantly more control. 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, 2011 Infiniti M (366 Nm @ 5200 RPM) has 156 more torque (in Nm) than 2003 BMW 320. (210 Nm @ 3750 RPM). This means 2011 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 320. 2011 Infiniti M has automatic transmission and 2003 BMW 320 has manual transmission. 2003 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 320 | 2011 Infiniti M | |
| Make | BMW | Infiniti |
| Model | 320 | M |
| Year Released | 2003 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 330 HP |
| Engine RPM | 5900 RPM | 7000 RPM |
| Torque | 210 Nm | 366 Nm |
| Torque RPM | 3750 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1465 kg | 1843 kg |
| Vehicle Length | 4490 mm | 4945 mm |
| Vehicle Width | 1760 mm | 1844 mm |
| Vehicle Height | 1380 mm | 1514 mm |
| Wheelbase Size | 2730 mm | 2901 mm |
| Fuel Tank Capacity | 63 L | 76 L |
