1974 Bristol 411 vs. 1961 Riley 4
To start off, 1974 Bristol 411 is newer by 13 year(s). Which means there will be less support and parts availability for 1961 Riley 4. In addition, the cost of maintenance, including insurance, on 1961 Riley 4 would be higher. At 6,277 cc (8 cylinders), 1974 Bristol 411 is equipped with a bigger engine. In terms of performance, 1974 Bristol 411 (288 HP @ 5200 RPM) has 225 more horse power than 1961 Riley 4. (63 HP @ 4800 RPM). In normal driving conditions, 1974 Bristol 411 should accelerate faster than 1961 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1974 Bristol 411 weights approximately 570 kg more than 1961 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1974 Bristol 411 (588 Nm @ 3400 RPM) has 473 more torque (in Nm) than 1961 Riley 4. (115 Nm @ 3300 RPM). This means 1974 Bristol 411 will have an easier job in driving up hills or pulling heavy equipment than 1961 Riley 4.
Compare all specifications:
| 1974 Bristol 411 | 1961 Riley 4 | |
| Make | Bristol | Riley |
| Model | 411 | 4 |
| Year Released | 1974 | 1961 |
| Engine Position | Front | Front |
| Engine Size | 6277 cc | 1489 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 288 HP | 63 HP |
| Engine RPM | 5200 RPM | 4800 RPM |
| Torque | 588 Nm | 115 Nm |
| Torque RPM | 3400 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1710 kg | 1140 kg |
| Vehicle Length | 4920 mm | 4530 mm |
| Vehicle Width | 1740 mm | 1620 mm |
| Vehicle Height | 1470 mm | 1530 mm |
| Wheelbase Size | 2910 mm | 2550 mm |
