2003 BMW 318 vs. 2011 BMW 123
To start off, 2011 BMW 123 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 BMW 318. In addition, the cost of maintenance, including insurance, on 2003 BMW 318 would be higher. At 1,995 cc (4 cylinders), 2011 BMW 123 is equipped with a bigger engine. In terms of performance, 2011 BMW 123 (202 HP @ 4400 RPM) has 89 more horse power than 2003 BMW 318. (113 HP @ 5500 RPM) In normal driving conditions, 2011 BMW 123 should accelerate faster than 2003 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 123 weights approximately 195 kg more than 2003 BMW 318. 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, 2011 BMW 123 (400 Nm @ 2000 RPM) has 233 more torque (in Nm) than 2003 BMW 318. (167 Nm @ 3750 RPM). This means 2011 BMW 123 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 318.
Compare all specifications:
| 2003 BMW 318 | 2011 BMW 123 | |
| Make | BMW | BMW |
| Model | 318 | 123 |
| Year Released | 2003 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 202 HP |
| Engine RPM | 5500 RPM | 4400 RPM |
| Torque | 167 Nm | 400 Nm |
| Torque RPM | 3750 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1495 kg |
| Vehicle Length | 4270 mm | 4360 mm |
| Vehicle Width | 1760 mm | 1748 mm |
| Vehicle Height | 1420 mm | 1423 mm |
| Wheelbase Size | 2730 mm | 2660 mm |
| Fuel Tank Capacity | 67 L | 51 L |
