1981 Audi UR vs. 2006 Mercedes-Benz CL
To start off, 2006 Mercedes-Benz CL is newer by 25 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 5,506 cc (12 cylinders), 2006 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz CL (493 HP @ 5000 RPM) has 296 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2006 Mercedes-Benz CL should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CL weights approximately 635 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 2006 Mercedes-Benz CL. 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, 2006 Mercedes-Benz CL (800 Nm @ 1800 RPM) has 515 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2006 Mercedes-Benz CL will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 2006 Mercedes-Benz CL | |
| Make | Audi | Mercedes-Benz |
| Model | UR | CL |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 5506 cc |
| Engine Cylinders | 5 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 197 HP | 493 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 285 Nm | 800 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 79.5 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 87 mm |
| Engine Compression Ratio | 7.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1885 kg |
| Vehicle Length | 4430 mm | 5000 mm |
| Vehicle Width | 1690 mm | 1860 mm |
| Vehicle Height | 1360 mm | 1400 mm |
| Wheelbase Size | 2530 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 88 L |
