1981 Audi UR vs. 2013 Acura RDX
To start off, 2013 Acura RDX is newer by 32 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 2,300 cc (4 cylinders), 2013 Acura RDX is equipped with a bigger engine. In terms of performance, 2013 Acura RDX (240 HP @ 6200 RPM) has 43 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2013 Acura RDX should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2013 Acura RDX weights approximately 499 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.
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, 2013 Acura RDX (340 Nm @ 5000 RPM) has 55 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2013 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR. 2013 Acura RDX 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. 2013 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Audi UR | 2013 Acura RDX | |
| Make | Audi | Acura |
| Model | UR | RDX |
| Year Released | 1981 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2300 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 240 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 285 Nm | 340 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 79.5 mm | 89 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1749 kg |
| Vehicle Length | 4430 mm | 4660 mm |
| Vehicle Width | 1690 mm | 1872 mm |
| Vehicle Height | 1360 mm | 1678 mm |
| Wheelbase Size | 2530 mm | 2685 mm |
| Fuel Tank Capacity | 70 L | 60 L |
