2001 BMW 320 vs. 2003 Infiniti M
To start off, 2003 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2001 BMW 320. In addition, the cost of maintenance, including insurance, on 2001 BMW 320 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti M is equipped with a bigger engine. In terms of performance, 2003 Infiniti M (340 HP @ 6400 RPM) has 192 more horse power than 2001 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2003 Infiniti M should accelerate faster than 2001 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti M weights approximately 167 kg more than 2001 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, 2003 Infiniti M (451 Nm @ 4000 RPM) has 120 more torque (in Nm) than 2001 BMW 320. (331 Nm @ 2000 RPM). This means 2003 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW 320. 2003 Infiniti M has automatic transmission and 2001 BMW 320 has manual transmission. 2001 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 BMW 320 | 2003 Infiniti M | |
| Make | BMW | Infiniti |
| Model | 320 | M |
| Year Released | 2001 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 340 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 331 Nm | 451 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 90 mm | 82.7 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1747 kg |
| Vehicle Length | 4480 mm | 5020 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2810 mm |
| Fuel Tank Capacity | 63 L | 79 L |
