2003 BMW 320 vs. 2008 Infiniti M
To start off, 2008 Infiniti M is newer by 5 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 4,493 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 183 more horse power than 2003 BMW 320. (142 HP @ 6100 RPM) In normal driving conditions, 2008 Infiniti M should accelerate faster than 2003 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti M weights approximately 527 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 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 320. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 256 more torque (in Nm) than 2003 BMW 320. (200 Nm @ 3750 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 320. 2008 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. 2008 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 320 | 2008 Infiniti M | |
| Make | BMW | Infiniti |
| Model | 320 | M |
| Year Released | 2003 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4493 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 142 HP | 325 HP |
| Engine RPM | 6100 RPM | 6400 RPM |
| Torque | 200 Nm | 456 Nm |
| Torque RPM | 3750 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1837 kg |
| Vehicle Length | 4480 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1520 mm |
| Wheelbase Size | 2710 mm | 2910 mm |
| Fuel Tank Capacity | 67 L | 76 L |
