1991 Buick Riviera vs. 1966 Cadillac Sixty
To start off, 1991 Buick Riviera is newer by 25 year(s). Which means there will be less support and parts availability for 1966 Cadillac Sixty. In addition, the cost of maintenance, including insurance, on 1966 Cadillac Sixty would be higher. At 7,029 cc (8 cylinders), 1966 Cadillac Sixty is equipped with a bigger engine. In terms of performance, 1966 Cadillac Sixty (208 HP @ 4600 RPM) has 38 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 1966 Cadillac Sixty should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1966 Cadillac Sixty weights approximately 595 kg more than 1991 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1966 Cadillac Sixty 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 1966 Cadillac Sixty. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Riviera, 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.
Compare all specifications:
| 1991 Buick Riviera | 1966 Cadillac Sixty | |
| Make | Buick | Cadillac |
| Model | Riviera | Sixty |
| Year Released | 1991 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 7029 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 208 HP |
| Engine RPM | 4800 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1520 kg | 2115 kg |
| Vehicle Length | 5040 mm | 5790 mm |
| Vehicle Width | 1830 mm | 1990 mm |
| Vehicle Height | 1350 mm | 1370 mm |
| Wheelbase Size | 2760 mm | 3390 mm |
