1981 Audi UR vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra 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 6,000 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (355 HP @ 5700 RPM) has 158 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1189 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 GMC Sierra (565 Nm @ 4300 RPM) has 280 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR. 2013 GMC Sierra 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 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Audi UR | 2013 GMC Sierra | |
| Make | Audi | GMC |
| Model | UR | Sierra |
| Year Released | 1981 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 6000 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 355 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 285 Nm | 565 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Engine Bore Size | 79.5 mm | 103 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 2439 kg |
| Vehicle Length | 4430 mm | 5847 mm |
| Vehicle Width | 1690 mm | 2032 mm |
| Vehicle Height | 1360 mm | 1872 mm |
| Wheelbase Size | 2530 mm | 3645 mm |
| Fuel Tank Capacity | 70 L | 98 L |
