2005 Audi A4 vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 7000 RPM) has 122 more horse power than 2005 Audi A4. (218 HP @ 6300 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 200 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 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A4. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 110 more torque (in Nm) than 2005 Audi A4. (300 Nm @ 3200 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2005 Audi A4 has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2007 Audi S4 | |
| Make | Audi | Audi |
| Model | A4 | S4 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 218 HP | 340 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 300 Nm | 410 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Top Speed | 238 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1460 kg | 1660 kg |
| Wheelbase Size | 2770 mm | 2650 mm |
| Fuel Consumption Overall | 9.4 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
