1981 Audi UR vs. 1973 Mercedes-Benz 450
To start off, 1981 Audi UR is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1973 Mercedes-Benz 450 would be higher. At 4,519 cc (8 cylinders), 1973 Mercedes-Benz 450 is equipped with a bigger engine. In terms of performance, 1973 Mercedes-Benz 450 (225 HP @ 5000 RPM) has 28 more horse power than 1981 Audi UR. (197 HP @ 5800 RPM) In normal driving conditions, 1973 Mercedes-Benz 450 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercedes-Benz 450 weights approximately 335 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 1973 Mercedes-Benz 450. 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, 1973 Mercedes-Benz 450 (378 Nm @ 3000 RPM) has 108 more torque (in Nm) than 1981 Audi UR. (270 Nm @ 3000 RPM). This means 1973 Mercedes-Benz 450 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR. 1973 Mercedes-Benz 450 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. 1973 Mercedes-Benz 450 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Audi UR | 1973 Mercedes-Benz 450 | |
| Make | Audi | Mercedes-Benz |
| Model | UR | 450 |
| Year Released | 1981 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 4519 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 225 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 270 Nm | 378 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1635 kg |
| Vehicle Length | 4430 mm | 4760 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1340 mm |
| Wheelbase Size | 2530 mm | 2820 mm |
| Fuel Tank Capacity | 58 L | 90 L |
