2003 BMW 320 vs. 2013 BMW 3 Series
To start off, 2013 BMW 3 Series is newer by 10 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 2,979 cc (6 cylinders), 2013 BMW 3 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 3 Series (227 HP @ 6500 RPM) has 77 more horse power than 2003 BMW 320. (150 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 3 Series should accelerate faster than 2003 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 3 Series weights approximately 120 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 2013 BMW 3 Series 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, 2013 BMW 3 Series 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, 2003 BMW 320 (350 Nm @ 2000 RPM) has 79 more torque (in Nm) than 2013 BMW 3 Series. (271 Nm @ 2750 RPM). This means 2003 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 3 Series.
Compare all specifications:
| 2003 BMW 320 | 2013 BMW 3 Series | |
| Make | BMW | BMW |
| Model | 320 | 3 Series |
| Year Released | 2003 | 2013 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 150 HP | 227 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 350 Nm | 271 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Engine Compression Ratio | 17.0:1 | 10.7 :1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 208 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 7.1 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1505 kg | 1625 kg |
| Vehicle Length | 4490 mm | 4620 mm |
| Vehicle Width | 1760 mm | 1961 mm |
| Vehicle Height | 1380 mm | 1395 mm |
| Wheelbase Size | 2800 mm | 2760 mm |
| Fuel Consumption | 5.4 L/100km | 7.6 L/100km |
| Fuel Consumption City | 9.7 L/100km | 12.2 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
