2006 Audi A4 vs. 2012 BMW 123
To start off, 2012 BMW 123 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 1,995 cc (4 cylinders), 2012 BMW 123 is equipped with a bigger engine. In terms of performance, 2012 BMW 123 (202 HP @ 4400 RPM) has 64 more horse power than 2006 Audi A4. (138 HP @ 4000 RPM) In normal driving conditions, 2012 BMW 123 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 123 weights approximately 340 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW 123 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2012 BMW 123. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2012 BMW 123 (400 Nm @ 2000 RPM) has 79 more torque (in Nm) than 2006 Audi A4. (321 Nm @ 1750 RPM). This means 2012 BMW 123 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2012 BMW 123 | |
| Make | Audi | BMW |
| Model | A4 | 123 |
| Year Released | 2006 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 202 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 321 Nm | 400 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.9 seconds | 7.5 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1275 kg | 1615 kg |
| Vehicle Length | 4550 mm | 4360 mm |
| Vehicle Width | 1780 mm | 1748 mm |
| Vehicle Height | 1430 mm | 1411 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 5.8 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 70 L | 51 L |
