1999 Audi A4 vs. 2001 Audi A8
To start off, 2001 Audi A8 is newer by 2 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 2,967 cc (6 cylinders), 2001 Audi A8 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (247 HP @ 5300 RPM) has 17 more horse power than 2001 Audi A8. (230 HP @ 4000 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2001 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A8 weights approximately 550 kg more than 1999 Audi A4.
Because 2001 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, 2001 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, 2001 Audi A8 (450 Nm @ 1400 RPM) has 130 more torque (in Nm) than 1999 Audi A4. (320 Nm @ 3800 RPM). This means 2001 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 2001 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. 2001 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 2001 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 1999 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 247 HP | 230 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 320 Nm | 450 Nm |
| Torque RPM | 3800 RPM | 1400 RPM |
| Engine Compression Ratio | 10.3:1 | 17.0:1 |
| Acceleration 0-100mph | 12.7 seconds | 7.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1200 kg | 1750 kg |
| Vehicle Length | 4480 mm | 5060 mm |
| Vehicle Width | 1740 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 2950 mm |
| Fuel Tank Capacity | 62 L | 90 L |
