1999 Audi A4 vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 4,161 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP) has 190 more horse power than 1999 Audi A4. (150 HP) In normal driving conditions, 2007 Audi S4 should accelerate faster than 1999 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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) has 200 more torque (in Nm) than 1999 Audi A4. (210 Nm). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 2007 Audi S4 has automatic transmission and 1999 Audi A4 has manual transmission. 1999 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 2007 Audi S4 | |
| Make | Audi | Audi |
| Model | A4 | S4 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 4161 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 150 HP | 340 HP |
| Torque | 210 Nm | 410 Nm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4480 mm | 4590 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2660 mm |
