1999 AC Aceca vs. 1971 Riley 4
To start off, 1999 AC Aceca is newer by 28 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 4,600 cc (8 cylinders), 1999 AC Aceca is equipped with a bigger engine. In terms of performance, 1999 AC Aceca (301 HP @ 5800 RPM) has 234 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1999 AC Aceca should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1999 AC Aceca weights approximately 362 kg more than 1971 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, 1999 AC Aceca (407 Nm @ 4800 RPM) has 286 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 1999 AC Aceca will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 1999 AC Aceca | 1971 Riley 4 | |
| Make | AC | Riley |
| Model | Aceca | 4 |
| Year Released | 1999 | 1971 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4600 cc | 1622 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 301 HP | 67 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 407 Nm | 121 Nm |
| Torque RPM | 4800 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1148 kg |
| Vehicle Length | 4430 mm | 4540 mm |
| Vehicle Width | 1880 mm | 1620 mm |
| Vehicle Height | 1310 mm | 1510 mm |
| Wheelbase Size | 2480 mm | 2530 mm |
| Fuel Tank Capacity | 90 L | 45 L |
