2007 Audi A4 vs. 2012 Audi A8
To start off, 2012 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 4,200 cc (8 cylinders), 2012 Audi A8 is equipped with a bigger engine. In terms of performance, 2012 Audi A8 (372 HP @ 6800 RPM) has 175 more horse power than 2007 Audi A4. (197 HP @ 6000 RPM) In normal driving conditions, 2012 Audi A8 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2012 Audi A8 weights approximately 490 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Audi A8 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2012 Audi A8 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 Audi A8 (444 Nm @ 3500 RPM) has 164 more torque (in Nm) than 2007 Audi A4. (280 Nm @ 1800 RPM). This means 2012 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2012 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 2007 | 2012 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4200 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 372 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 280 Nm | 444 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 225 km/hour | 250 km/hour |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1510 kg | 2000 kg |
| Vehicle Length | 4590 mm | 5136 mm |
| Vehicle Width | 1780 mm | 1948 mm |
| Vehicle Height | 1430 mm | 1461 mm |
| Wheelbase Size | 2650 mm | 2992 mm |
| Fuel Consumption City | 11.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
