1999 Audi A4 vs. 1998 Audi A8
To start off, 1999 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 1998 Audi A8. In addition, the cost of maintenance, including insurance, on 1998 Audi A8 would be higher. At 4,172 cc (8 cylinders), 1998 Audi A8 is equipped with a bigger engine. In terms of performance, 1998 Audi A8 (300 HP) has 200 more horse power than 1999 Audi A4. (100 HP) In normal driving conditions, 1998 Audi A8 should accelerate faster than 1999 Audi A4.
Because 1998 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 1998 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, 1998 Audi A8 (400 Nm) has 260 more torque (in Nm) than 1999 Audi A4. (140 Nm). This means 1998 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 1998 Audi A8 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. 1998 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 1998 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 1999 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1594 cc | 4172 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 300 HP |
| Torque | 140 Nm | 400 Nm |
| Engine Bore Size | 81 mm | 84.6 mm |
| Engine Stroke Size | 77.5 mm | 93 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4480 mm | 5040 mm |
| Vehicle Width | 1740 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 2890 mm |
