2004 Audi A8 vs. 1999 Toyota Sienna
To start off, 2004 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 1999 Toyota Sienna would be higher. At 4,172 cc (8 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (330 HP @ 6500 RPM) has 120 more horse power than 1999 Toyota Sienna. (210 HP @ 5200 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 1999 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 71 kg more than 1999 Toyota Sienna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Toyota Sienna. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A8 (450 Nm @ 3500 RPM) has 165 more torque (in Nm) than 1999 Toyota Sienna. (285 Nm @ 4300 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Toyota Sienna.
Compare all specifications:
| 2004 Audi A8 | 1999 Toyota Sienna | |
| Make | Audi | Toyota |
| Model | A8 | Sienna |
| Year Released | 2004 | 1999 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3001 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 210 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 450 Nm | 285 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Engine Bore Size | 84.5 mm | 87.5 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1776 kg | 1705 kg |
| Vehicle Length | 5060 mm | 4920 mm |
| Vehicle Width | 1900 mm | 1870 mm |
| Vehicle Height | 1450 mm | 1720 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
