2005 Porsche 911 vs. 1970 Riley 4
To start off, 2005 Porsche 911 is newer by 35 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 3,600 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 5700 RPM) has 378 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 442 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 2005 Porsche 911 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, 2005 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, 2005 Porsche 911 (620 Nm @ 3500 RPM) has 500 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 2005 Porsche 911 | 1970 Riley 4 | |
| Make | Porsche | Riley |
| Model | 911 | 4 |
| Year Released | 2005 | 1970 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 445 HP | 67 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 620 Nm | 120 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 100 mm | 76.2 mm |
| Engine Stroke Size | 76.4 mm | 88.9 mm |
| Engine Compression Ratio | 9.4:1 | 8.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1148 kg |
| Vehicle Length | 4440 mm | 4540 mm |
| Vehicle Width | 1840 mm | 1620 mm |
| Vehicle Height | 1300 mm | 1510 mm |
| Wheelbase Size | 2360 mm | 2530 mm |
| Fuel Tank Capacity | 64 L | 45 L |
