1981 Audi UR vs. 2001 Smart ForFour
To start off, 2001 Smart ForFour is newer by 20 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 2,144 cc (5 cylinders), 1981 Audi UR is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5500 RPM) has 89 more horse power than 2001 Smart ForFour. (108 HP @ 6000 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 2001 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 1981 Audi UR weights approximately 275 kg more than 2001 Smart ForFour. 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 2001 Smart ForFour. 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.
Compare all specifications:
| 1981 Audi UR | 2001 Smart ForFour | |
| Make | Audi | Smart |
| Model | UR | ForFour |
| Year Released | 1981 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 1499 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 108 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Engine Bore Size | 79.5 mm | 75.5 mm |
| Engine Stroke Size | 86.4 mm | 84.8 mm |
| Engine Compression Ratio | 7.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 975 kg |
| Vehicle Length | 4430 mm | 3760 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1360 mm | 1460 mm |
| Fuel Tank Capacity | 70 L | 47 L |
