1963 Riley 4 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 43 year(s). Which means there will be less support and parts availability for 1963 Riley 4. In addition, the cost of maintenance, including insurance, on 1963 Riley 4 would be higher. At 3,189 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (252 HP) has 185 more horse power than 1963 Riley 4. (67 HP) In normal driving conditions, 2006 Audi A4 should accelerate faster than 1963 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 127 kg more than 1963 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1963 Riley 4. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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, 2006 Audi A4 (331 Nm @ 3250 RPM) has 210 more torque (in Nm) than 1963 Riley 4. (121 Nm @ 2500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1963 Riley 4.
Compare all specifications:
| 1963 Riley 4 | 2006 Audi A4 | |
| Make | Riley | Audi |
| Model | 4 | A4 |
| Year Released | 1963 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 3189 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 67 HP | 252 HP |
| Torque | 121 Nm | 331 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 |
| 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 | 1275 kg |
| Vehicle Length | 4540 mm | 4550 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2660 mm |
| Fuel Tank Capacity | 45 L | 70 L |
