2003 AC Cobra vs. 1971 Riley 4
To start off, 2003 AC Cobra is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 3,506 cc (8 cylinders), 2003 AC Cobra is equipped with a bigger engine. In terms of performance, 2003 AC Cobra (350 HP @ 6500 RPM) has 283 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2003 AC Cobra should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1971 Riley 4 weights approximately 86 kg more than 2003 AC Cobra.
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, 2003 AC Cobra (400 Nm @ 4000 RPM) has 279 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 2003 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 2003 AC Cobra | 1971 Riley 4 | |
| Make | AC | Riley |
| Model | Cobra | 4 |
| Year Released | 2003 | 1971 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 1622 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 350 HP | 67 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 400 Nm | 121 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 76.3 mm |
| Engine Stroke Size | 81 mm | 88.9 mm |
| Engine Compression Ratio | 8.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1062 kg | 1148 kg |
| Vehicle Length | 4210 mm | 4540 mm |
| Vehicle Width | 1750 mm | 1620 mm |
| Vehicle Height | 1210 mm | 1510 mm |
| Wheelbase Size | 2300 mm | 2530 mm |
