1999 BMW 320 vs. 2003 BMW M3
To start off, 2003 BMW M3 is newer by 4 year(s). Which means there will be less support and parts availability for 1999 BMW 320. In addition, the cost of maintenance, including insurance, on 1999 BMW 320 would be higher. At 3,168 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 208 more horse power than 1999 BMW 320. (134 HP @ 4000 RPM) In normal driving conditions, 2003 BMW M3 should accelerate faster than 1999 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW M3 weights approximately 15 kg more than 1999 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 BMW M3 (350 Nm @ 4900 RPM) has 70 more torque (in Nm) than 1999 BMW 320. (280 Nm @ 1750 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 320.
Compare all specifications:
| 1999 BMW 320 | 2003 BMW M3 | |
| Make | BMW | BMW |
| Model | 320 | M3 |
| Year Released | 1999 | 2003 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 3168 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 342 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 280 Nm | 350 Nm |
| Torque RPM | 1750 RPM | 4900 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1370 kg | 1385 kg |
| Vehicle Length | 4480 mm | 4500 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Tank Capacity | 52 L | 63 L |
