1981 Audi UR vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 30 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 5,300 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (315 HP @ 5200 RPM) has 118 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1061 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 2011 GMC Sierra. 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, 2011 GMC Sierra (454 Nm @ 4000 RPM) has 169 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR. 2011 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. 2011 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Audi UR | 2011 GMC Sierra | |
| Make | Audi | GMC |
| Model | UR | Sierra |
| Year Released | 1981 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 5300 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 315 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 285 Nm | 454 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Vehicle Weight | 1250 kg | 2311 kg |
| Vehicle Length | 4430 mm | 5847 mm |
| Vehicle Width | 1690 mm | 2032 mm |
| Wheelbase Size | 2530 mm | 3645 mm |
| Fuel Tank Capacity | 70 L | 98 L |
