1999 Cadillac Seville vs. 1971 Riley 4
To start off, 1999 Cadillac Seville 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 4,565 cc (8 cylinders), 1999 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1999 Cadillac Seville (271 HP @ 5200 RPM) has 204 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1999 Cadillac Seville should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Cadillac Seville weights approximately 604 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.
Because 1971 Riley 4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1971 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 1999 Cadillac Seville, being front wheel drive (FWD), will offer much better control with better grip. 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 Cadillac Seville (407 Nm @ 4400 RPM) has 286 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 1999 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 1999 Cadillac Seville | 1971 Riley 4 | |
| Make | Cadillac | Riley |
| Model | Seville | 4 |
| Year Released | 1999 | 1971 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1622 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 271 HP | 67 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 407 Nm | 121 Nm |
| Torque RPM | 4400 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 76.3 mm |
| Engine Stroke Size | 84 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1752 kg | 1148 kg |
| Vehicle Length | 5000 mm | 4540 mm |
| Vehicle Width | 1910 mm | 1620 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2860 mm | 2530 mm |
| Fuel Tank Capacity | 72 L | 45 L |
