1971 Buick Riviera vs. 1965 Willys-Overland Interlagos
To start off, 1971 Buick Riviera is newer by 6 year(s). Which means there will be less support and parts availability for 1965 Willys-Overland Interlagos. In addition, the cost of maintenance, including insurance, on 1965 Willys-Overland Interlagos would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 259 more horse power than 1965 Willys-Overland Interlagos. (52 HP @ 5600 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 1965 Willys-Overland Interlagos. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 1500 kg more than 1965 Willys-Overland Interlagos. 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 541 more torque (in Nm) than 1965 Willys-Overland Interlagos. (76 Nm @ 3500 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1965 Willys-Overland Interlagos.
Compare all specifications:
| 1971 Buick Riviera | 1965 Willys-Overland Interlagos | |
| Make | Buick | Willys-Overland |
| Model | Riviera | Interlagos |
| Year Released | 1971 | 1965 |
| Engine Size | 7468 cc | 845 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 311 HP | 52 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 617 Nm | 76 Nm |
| Torque RPM | 2600 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 2040 kg | 540 kg |
| Vehicle Length | 5560 mm | 3710 mm |
| Vehicle Width | 2040 mm | 1460 mm |
| Vehicle Height | 1380 mm | 1230 mm |
| Wheelbase Size | 3110 mm | 2110 mm |
