1956 AC Ace vs. 1968 Buick Riviera
To start off, 1968 Buick Riviera is newer by 12 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 AC Ace would be higher. At 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 231 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 1006 kg more than 1956 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1968 Buick Riviera (645 Nm) has 478 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1968 Buick Riviera | |
| Make | AC | Buick |
| Model | Ace | Riviera |
| Year Released | 1956 | 1968 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 7050 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 305 HP |
| Engine RPM | 4500 RPM | 5000 RPM |
| Torque | 167 Nm | 645 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1900 kg |
| Vehicle Length | 3850 mm | 5370 mm |
| Vehicle Width | 1520 mm | 2020 mm |
| Vehicle Height | 1250 mm | 1370 mm |
| Wheelbase Size | 2290 mm | 3030 mm |
| Fuel Tank Capacity | 59 L | 75 L |
