1981 Audi UR vs. 1956 Buick 40
To start off, 1981 Audi UR is newer by 25 year(s). Which means there will be less support and parts availability for 1956 Buick 40. In addition, the cost of maintenance, including insurance, on 1956 Buick 40 would be higher. At 5,279 cc (8 cylinders), 1956 Buick 40 is equipped with a bigger engine. In terms of performance, 1956 Buick 40 (252 HP @ 4400 RPM) has 55 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 1956 Buick 40 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1956 Buick 40 weights approximately 340 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 1956 Buick 40. 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, 1956 Buick 40 (462 Nm @ 3200 RPM) has 177 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1956 Buick 40 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 1956 Buick 40 | |
| Make | Audi | Buick |
| Model | UR | 40 |
| Year Released | 1981 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 5279 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 252 HP |
| Engine RPM | 5500 RPM | 4400 RPM |
| Torque | 285 Nm | 462 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 79.5 mm | 101.6 mm |
| Engine Stroke Size | 86.4 mm | 81.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1590 kg |
| Vehicle Width | 1690 mm | 1950 mm |
| Wheelbase Size | 2530 mm | 3110 mm |
