2007 Audi A6 vs. 1981 Audi UR
To start off, 2007 Audi A6 is newer by 26 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 4,163 cc (8 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (350 HP @ 6800 RPM) has 153 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 495 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2007 Audi A6 (441 Nm @ 3500 RPM) has 156 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR. 2007 Audi A6 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. 2007 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A6 | 1981 Audi UR | |
| Make | Audi | Audi |
| Model | A6 | UR |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 350 HP | 197 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 441 Nm | 285 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 85 mm | 79.5 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1745 kg | 1250 kg |
| Vehicle Length | 4920 mm | 4430 mm |
| Vehicle Width | 2020 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1360 mm |
| Wheelbase Size | 2850 mm | 2530 mm |
| Fuel Tank Capacity | 80 L | 70 L |
