1981 Audi UR vs. 2008 Mazda RX-8
To start off, 2008 Mazda RX-8 is newer by 27 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, 2008 Mazda RX-8 (228 HP @ 8200 RPM) has 31 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2008 Mazda RX-8 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mazda RX-8 weights approximately 175 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 2008 Mazda RX-8. 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, 1981 Audi UR (285 Nm @ 3500 RPM) has 74 more torque (in Nm) than 2008 Mazda RX-8. (211 Nm @ 5500 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 2008 Mazda RX-8.
Compare all specifications:
| 1981 Audi UR | 2008 Mazda RX-8 | |
| Make | Audi | Mazda |
| Model | UR | RX-8 |
| Year Released | 1981 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 1308 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 197 HP | 228 HP |
| Engine RPM | 5500 RPM | 8200 RPM |
| Torque | 285 Nm | 211 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Compression Ratio | 7.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1425 kg |
| Vehicle Length | 4430 mm | 4440 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1350 mm |
| Wheelbase Size | 2530 mm | 2710 mm |
| Fuel Tank Capacity | 70 L | 61 L |
