1999 Audi A4 vs. 2006 Toyota Sienna
To start off, 2006 Toyota Sienna is newer by 7 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 3,308 cc (6 cylinders), 2006 Toyota Sienna is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 5700 RPM) has 33 more horse power than 2006 Toyota Sienna. (215 HP @ 5600 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2006 Toyota Sienna.
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, 1999 Audi A4 (320 Nm @ 1750 RPM) has 19 more torque (in Nm) than 2006 Toyota Sienna. (301 Nm @ 3600 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Toyota Sienna.
Compare all specifications:
| 1999 Audi A4 | 2006 Toyota Sienna | |
| Make | Audi | Toyota |
| Model | A4 | Sienna |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3308 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 248 HP | 215 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 320 Nm | 301 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 9.5:1 | 10.8:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4480 mm | 5090 mm |
| Vehicle Width | 1740 mm | 1970 mm |
| Vehicle Height | 1420 mm | 1760 mm |
| Wheelbase Size | 2620 mm | 3040 mm |
| Fuel Tank Capacity | 62 L | 76 L |
