1998 Porsche 911 vs. 1966 Riley Kestrel
To start off, 1998 Porsche 911 is newer by 32 year(s). Which means there will be less support and parts availability for 1966 Riley Kestrel. In addition, the cost of maintenance, including insurance, on 1966 Riley Kestrel would be higher. At 3,387 cc (6 cylinders), 1998 Porsche 911 is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (296 HP @ 6800 RPM) has 243 more horse power than 1966 Riley Kestrel. (53 HP @ 5500 RPM). In normal driving conditions, 1998 Porsche 911 should accelerate faster than 1966 Riley Kestrel. With that said, vehicle weight also plays an important factor in acceleration. 1998 Porsche 911 weights approximately 495 kg more than 1966 Riley Kestrel. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1966 Riley Kestrel. In wet, icy, snow, or gravel driving conditions, 1998 Porsche 911 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, 1998 Porsche 911 (350 Nm @ 4600 RPM) has 267 more torque (in Nm) than 1966 Riley Kestrel. (83 Nm @ 2500 RPM). This means 1998 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1966 Riley Kestrel.
Compare all specifications:
| 1998 Porsche 911 | 1966 Riley Kestrel | |
| Make | Porsche | Riley |
| Model | 911 | Kestrel |
| Year Released | 1998 | 1966 |
| Engine Size | 3387 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 296 HP | 53 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 350 Nm | 83 Nm |
| Torque RPM | 4600 RPM | 2500 RPM |
| Engine Compression Ratio | 11.3:1 | 8.3:1 |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1380 kg | 885 kg |
| Vehicle Length | 4440 mm | 3730 mm |
| Vehicle Width | 1770 mm | 1540 mm |
| Vehicle Height | 1310 mm | 1350 mm |
| Wheelbase Size | 2360 mm | 2380 mm |
| Fuel Tank Capacity | 63 L | 25 L |
