2009 Acura RDX vs. 1971 Audi 100
To start off, 2009 Acura RDX is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Audi 100. In addition, the cost of maintenance, including insurance, on 1971 Audi 100 would be higher. At 2,297 cc (4 cylinders), 2009 Acura RDX is equipped with a bigger engine. In terms of performance, 2009 Acura RDX (237 HP @ 6000 RPM) has 128 more horse power than 1971 Audi 100. (109 HP @ 5600 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 1971 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 734 kg more than 1971 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 1971 Audi 100. In wet, icy, snow, or gravel driving conditions, 2009 Acura RDX 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, 2009 Acura RDX (260 Nm @ 4500 RPM) has 99 more torque (in Nm) than 1971 Audi 100. (161 Nm @ 3500 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1971 Audi 100.
Compare all specifications:
| 2009 Acura RDX | 1971 Audi 100 | |
| Make | Acura | Audi |
| Model | RDX | 100 |
| Year Released | 2009 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 1871 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 237 HP | 109 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 260 Nm | 161 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1784 kg | 1050 kg |
| Vehicle Length | 4600 mm | 4590 mm |
| Vehicle Width | 1880 mm | 1730 mm |
| Vehicle Height | 1660 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2690 mm |
