1970 Riley 4 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 34 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 3,596 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (317 HP @ 6800 RPM) has 250 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 367 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2004 Porsche 911 (370 Nm @ 4250 RPM) has 250 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1970 Riley 4 | 2004 Porsche 911 | |
| Make | Riley | Porsche |
| Model | 4 | 911 |
| Year Released | 1970 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1622 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 67 HP | 317 HP |
| Engine RPM | 5000 RPM | 6800 RPM |
| Torque | 120 Nm | 370 Nm |
| Torque RPM | 2500 RPM | 4250 RPM |
| Engine Bore Size | 76.2 mm | 96 mm |
| Engine Stroke Size | 88.9 mm | 82.8 mm |
| Engine Compression Ratio | 8.3:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1148 kg | 1515 kg |
| Vehicle Length | 4540 mm | 4440 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1310 mm |
| Wheelbase Size | 2530 mm | 2360 mm |
| Fuel Tank Capacity | 45 L | 64 L |
