1968 Buick Riviera vs. 1991 Mercedes-Benz SL
To start off, 1991 Mercedes-Benz SL 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 77 more horse power than 1991 Mercedes-Benz SL. (228 HP @ 6400 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1991 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 210 kg more than 1991 Mercedes-Benz SL. 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, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 373 more torque (in Nm) than 1991 Mercedes-Benz SL. (272 Nm @ 4600 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz SL. 1968 Buick Riviera has automatic transmission and 1991 Mercedes-Benz SL has manual transmission. 1991 Mercedes-Benz SL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1968 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1968 Buick Riviera | 1991 Mercedes-Benz SL | |
| Make | Buick | Mercedes-Benz |
| Model | Riviera | SL |
| Year Released | 1968 | 1991 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 2961 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 305 HP | 228 HP |
| Engine RPM | 5000 RPM | 6400 RPM |
| Torque | 645 Nm | 272 Nm |
| Torque RPM | 3200 RPM | 4600 RPM |
| Engine Bore Size | 106.2 mm | 88.5 mm |
| Engine Stroke Size | 99.4 mm | 80.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1690 kg |
| Vehicle Length | 5370 mm | 4480 mm |
| Vehicle Width | 2020 mm | 1820 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 3030 mm | 2520 mm |
| Fuel Tank Capacity | 75 L | 80 L |
