1970 Riley 4 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 39 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 3,123 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (252 HP @ 6500 RPM) has 185 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 532 kg more than 1970 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1970 Riley 4. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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 Audi A6 (330 Nm @ 3250 RPM) has 210 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1970 Riley 4 | 2009 Audi A6 | |
| Make | Riley | Audi |
| Model | 4 | A6 |
| Year Released | 1970 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 3123 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 67 HP | 252 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 120 Nm | 330 Nm |
| Torque RPM | 2500 RPM | 3250 RPM |
| Engine Bore Size | 76.2 mm | 84.5 mm |
| Engine Stroke Size | 88.9 mm | 92.8 mm |
| Engine Compression Ratio | 8.3:1 | 13.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1148 kg | 1680 kg |
| Vehicle Length | 4540 mm | 4920 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2850 mm |
| Fuel Tank Capacity | 45 L | 80 L |
