2000 Audi A4 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 9 year(s). Which means there will be less support and parts availability for 2000 Audi A4. In addition, the cost of maintenance, including insurance, on 2000 Audi A4 would be higher. At 2,966 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (229 HP @ 4000 RPM) has 66 more horse power than 2000 Audi A4. (163 HP @ 6000 RPM) In normal driving conditions, 2009 Audi A8 should accelerate faster than 2000 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, 2009 Audi A8 (450 Nm @ 1400 RPM) has 216 more torque (in Nm) than 2000 Audi A4. (234 Nm @ 3200 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2000 Audi A4. 2009 Audi A8 has automatic transmission and 2000 Audi A4 has manual transmission. 2000 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2000 Audi A4 | 2009 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 2000 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2966 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 163 HP | 229 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 234 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 77.4 mm | 91.4 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Height | 1420 mm | 1900 mm |
| Wheelbase Size | 2610 mm | 2950 mm |
| Fuel Tank Capacity | 70 L | 90 L |
