1981 Audi UR vs. 1999 Toyota Sienna
To start off, 1999 Toyota Sienna is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Audi UR. In addition, the cost of maintenance, including insurance, on 1981 Audi UR would be higher. At 3,001 cc (6 cylinders), 1999 Toyota Sienna is equipped with a bigger engine. In terms of performance, 1999 Toyota Sienna (210 HP @ 5200 RPM) has 13 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 1999 Toyota Sienna should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1999 Toyota Sienna weights approximately 455 kg more than 1981 Audi UR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi UR 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, 1981 Audi UR 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, both vehicles can yield 285 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 1999 Toyota Sienna has automatic transmission and 1981 Audi UR has manual transmission. 1981 Audi UR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Audi UR | 1999 Toyota Sienna | |
| Make | Audi | Toyota |
| Model | UR | Sienna |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 3001 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 210 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 285 Nm | 285 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Engine Bore Size | 79.5 mm | 87.5 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 7.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1250 kg | 1705 kg |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1690 mm | 1870 mm |
| Vehicle Height | 1360 mm | 1720 mm |
| Wheelbase Size | 2530 mm | 2910 mm |
