2009 Audi A4 vs. 1967 Riley Kestrel
To start off, 2009 Audi A4 is newer by 42 year(s). Which means there will be less support and parts availability for 1967 Riley Kestrel. In addition, the cost of maintenance, including insurance, on 1967 Riley Kestrel would be higher. At 2,967 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (230 HP @ 4000 RPM) has 173 more horse power than 1967 Riley Kestrel. (57 HP @ 5250 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1967 Riley Kestrel. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 879 kg more than 1967 Riley Kestrel. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1967 Riley Kestrel. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 356 more torque (in Nm) than 1967 Riley Kestrel. (94 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1967 Riley Kestrel.
Compare all specifications:
| 2009 Audi A4 | 1967 Riley Kestrel | |
| Make | Audi | Riley |
| Model | A4 | Kestrel |
| Year Released | 2009 | 1967 |
| Engine Size | 2967 cc | 1275 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 230 HP | 57 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 450 Nm | 94 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1794 kg | 915 kg |
| Vehicle Length | 4580 mm | 3730 mm |
| Vehicle Width | 1780 mm | 1540 mm |
| Vehicle Height | 1400 mm | 1350 mm |
| Wheelbase Size | 2660 mm | 2380 mm |
