2004 AC Aceca vs. 1981 Audi UR
To start off, 2004 AC Aceca is newer by 23 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 3,504 cc (8 cylinders), 2004 AC Aceca is equipped with a bigger engine. In terms of performance, 2004 AC Aceca (346 HP @ 6500 RPM) has 149 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM). In normal driving conditions, 2004 AC Aceca should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2004 AC Aceca weights approximately 360 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 2004 AC Aceca. 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, 2004 AC Aceca (400 Nm @ 4000 RPM) has 115 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2004 AC Aceca will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 2004 AC Aceca | 1981 Audi UR | |
| Make | AC | Audi |
| Model | Aceca | UR |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3504 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 346 HP | 197 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 400 Nm | 285 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 79.5 mm |
| Engine Stroke Size | 81 mm | 86.4 mm |
| Engine Compression Ratio | 8.0:1 | 7.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1250 kg |
| Vehicle Length | 4640 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1350 mm | 1360 mm |
| Wheelbase Size | 2300 mm | 2530 mm |
| Fuel Tank Capacity | 90 L | 70 L |
