1991 Buick Roadmaster vs. 1973 Mercedes-Benz 450
To start off, 1991 Buick Roadmaster is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1973 Mercedes-Benz 450 would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1973 Mercedes-Benz 450 (225 HP @ 5000 RPM) has 48 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 1973 Mercedes-Benz 450 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 98 kg more than 1973 Mercedes-Benz 450.
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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 15 more torque (in Nm) than 1973 Mercedes-Benz 450. (378 Nm @ 3000 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1973 Mercedes-Benz 450.
Compare all specifications:
| 1991 Buick Roadmaster | 1973 Mercedes-Benz 450 | |
| Make | Buick | Mercedes-Benz |
| Model | Roadmaster | 450 |
| Year Released | 1991 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4520 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 225 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 393 Nm | 378 Nm |
| Torque RPM | 2400 RPM | 3000 RPM |
| Engine Compression Ratio | 8.0:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1742 kg |
| Vehicle Length | 5280 mm | 4970 mm |
| Vehicle Width | 2040 mm | 1870 mm |
| Vehicle Height | 1650 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2870 mm |
