2005 Audi A6 vs. 2012 BMW 123
To start off, 2012 BMW 123 is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 45 more horse power than 2012 BMW 123. (202 HP @ 4400 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2012 BMW 123. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 310 kg more than 2012 BMW 123. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW 123. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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, 2012 BMW 123 (400 Nm @ 2000 RPM) has 50 more torque (in Nm) than 2005 Audi A6. (350 Nm @ 1800 RPM). This means 2012 BMW 123 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2012 BMW 123 | |
| Make | Audi | BMW |
| Model | A6 | 123 |
| Year Released | 2005 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 202 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 350 Nm | 400 Nm |
| Torque RPM | 1800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1805 kg | 1495 kg |
| Vehicle Length | 4800 mm | 4360 mm |
| Vehicle Width | 1860 mm | 1748 mm |
| Vehicle Height | 1560 mm | 1423 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 51 L |
