1963 Buick Riviera vs. 1981 Fiat Ritmo
To start off, 1981 Fiat Ritmo is newer by 18 year(s). Which means there will be less support and parts availability for 1963 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1963 Buick Riviera would be higher. At 6,571 cc (8 cylinders), 1963 Buick Riviera is equipped with a bigger engine. In terms of performance, 1963 Buick Riviera (321 HP) has 240 more horse power than 1981 Fiat Ritmo. (81 HP). In normal driving conditions, 1963 Buick Riviera should accelerate faster than 1981 Fiat Ritmo. With that said, vehicle weight also plays an important factor in acceleration. 1963 Buick Riviera weights approximately 940 kg more than 1981 Fiat Ritmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1963 Buick Riviera (603 Nm @ 2800 RPM) has 476 more torque (in Nm) than 1981 Fiat Ritmo. (127 Nm @ 3000 RPM). This means 1963 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat Ritmo.
Compare all specifications:
| 1963 Buick Riviera | 1981 Fiat Ritmo | |
| Make | Buick | Fiat |
| Model | Riviera | Ritmo |
| Year Released | 1963 | 1981 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 6571 cc | 1498 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 81 HP |
| Torque | 603 Nm | 127 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1860 kg | 920 kg |
| Vehicle Length | 5290 mm | 4040 mm |
| Vehicle Width | 1950 mm | 1660 mm |
| Vehicle Height | 1350 mm | 1420 mm |
| Wheelbase Size | 3030 mm | 2460 mm |
| Fuel Tank Capacity | 75 L | 57 L |
