1999 Audi A4 vs. 1957 Riley 2.6
To start off, 1999 Audi A4 is newer by 42 year(s). Which means there will be less support and parts availability for 1957 Riley 2.6. In addition, the cost of maintenance, including insurance, on 1957 Riley 2.6 would be higher. At 2,639 cc (6 cylinders), 1957 Riley 2.6 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (123 HP @ 5800 RPM) has 22 more horse power than 1957 Riley 2.6. (101 HP @ 4500 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1957 Riley 2.6. With that said, vehicle weight also plays an important factor in acceleration. 1957 Riley 2.6 weights approximately 284 kg more than 1999 Audi A4.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1957 Riley 2.6. In wet, icy, snow, or gravel driving conditions, 1999 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, 1957 Riley 2.6 (194 Nm @ 2500 RPM) has 26 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 1957 Riley 2.6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 1957 Riley 2.6 | |
| Make | Audi | Riley |
| Model | A4 | 2.6 |
| Year Released | 1999 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2639 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 101 HP |
| Engine RPM | 5800 RPM | 4500 RPM |
| Torque | 168 Nm | 194 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 79.4 mm |
| Engine Stroke Size | 86.4 mm | 88.9 mm |
| Top Speed | 201 km/hour | 150 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1356 kg | 1640 kg |
| Vehicle Length | 4480 mm | 4720 mm |
| Vehicle Width | 1740 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2610 mm | 2890 mm |
| Fuel Tank Capacity | 60 L | 54 L |
