2005 Audi A4 vs. 2003 Vector M12
To start off, 2005 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Vector M12. In addition, the cost of maintenance, including insurance, on 2003 Vector M12 would be higher. At 5,707 cc (12 cylinders), 2003 Vector M12 is equipped with a bigger engine. In terms of performance, 2003 Vector M12 (484 HP @ 6800 RPM) has 304 more horse power than 2005 Audi A4. (180 HP @ 5700 RPM) In normal driving conditions, 2003 Vector M12 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vector M12 weights approximately 155 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Vector M12. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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 Vector M12 (576 Nm @ 5200 RPM) has 336 more torque (in Nm) than 2005 Audi A4. (240 Nm @ 1950 RPM). This means 2003 Vector M12 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2003 Vector M12 | |
| Make | Audi | Vector |
| Model | A4 | M12 |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1781 cc | 5707 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 180 HP | 484 HP |
| Engine RPM | 5700 RPM | 6800 RPM |
| Torque | 240 Nm | 576 Nm |
| Torque RPM | 1950 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1475 kg | 1630 kg |
| Vehicle Length | 4550 mm | 4790 mm |
| Vehicle Width | 1770 mm | 2030 mm |
| Vehicle Height | 1430 mm | 1140 mm |
| Wheelbase Size | 2660 mm | 2750 mm |
