1991 Audi 100 vs. 1968 Buick Riviera
To start off, 1991 Audi 100 is newer by 23 year(s). Which means there will be less support and parts availability for 1968 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1968 Buick Riviera 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 133 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM) In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 394 kg more than 1991 Audi 100. 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 @ 3200 RPM) has 395 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 1968 Buick Riviera | |
| Make | Audi | Buick |
| Model | 100 | Riviera |
| Year Released | 1991 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 7050 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 305 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 250 Nm | 645 Nm |
| Torque RPM | 3000 RPM | 3200 RPM |
| Engine Bore Size | 82.5 mm | 106.2 mm |
| Engine Stroke Size | 86.4 mm | 99.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1506 kg | 1900 kg |
| Vehicle Length | 4800 mm | 5370 mm |
| Vehicle Width | 1780 mm | 2020 mm |
| Vehicle Height | 1450 mm | 1370 mm |
