1998 Audi AD vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Audi AD. In addition, the cost of maintenance, including insurance, on 1998 Audi AD would be higher. At 4,161 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Audi AD. 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) has 270 more torque (in Nm) than 1998 Audi AD. (140 Nm). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi AD. 2007 Audi S4 has automatic transmission and 1998 Audi AD has manual transmission. 1998 Audi AD 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:
| 1998 Audi AD | 2007 Audi S4 | |
| Make | Audi | Audi |
| Model | AD | S4 |
| Year Released | 1998 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3001 cc | 4161 cc |
| Engine Type | electric | V |
| Horse Power | 0 HP | 340 HP |
| Torque | 140 Nm | 410 Nm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
