1999 Audi A4 vs. 1998 Audi A6
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 A6. In addition, the cost of maintenance, including insurance, on 1998 Audi A6 would be higher. At 2,225 cc (5 cylinders), 1998 Audi A6 is equipped with a bigger engine. In terms of performance, 1998 Audi A6 (227 HP @ 5900 RPM) has 104 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 1998 Audi A6 should accelerate faster than 1999 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 1998 Audi A6 (350 Nm @ 1950 RPM) has 182 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 1998 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 1999 Audi A4 has automatic transmission and 1998 Audi A6 has manual transmission. 1998 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 1998 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 1999 | 1998 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2225 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 227 HP |
| Engine RPM | 5800 RPM | 5900 RPM |
| Torque | 168 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4480 mm | 4800 mm |
| Vehicle Width | 1740 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2770 mm |
| Fuel Tank Capacity | 62 L | 58 L |
