1991 Buick Roadmaster vs. 2002 Mercedes-Benz S
To start off, 2002 Mercedes-Benz S is newer by 11 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2002 Mercedes-Benz S (302 HP @ 5600 RPM) has 125 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2002 Mercedes-Benz S should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2002 Mercedes-Benz S weights approximately 160 kg more than 1991 Buick Roadmaster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Roadmaster. In wet, icy, snow, or gravel driving conditions, 2002 Mercedes-Benz S will offer significantly more control. 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, 2002 Mercedes-Benz S (460 Nm @ 2700 RPM) has 67 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2002 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2002 Mercedes-Benz S | |
| Make | Buick | Mercedes-Benz |
| Model | Roadmaster | S |
| Year Released | 1991 | 2002 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 302 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 393 Nm | 460 Nm |
| Torque RPM | 2400 RPM | 2700 RPM |
| Engine Compression Ratio | 8.0:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 2000 kg |
| Vehicle Length | 5280 mm | 5170 mm |
| Vehicle Width | 2040 mm | 1860 mm |
| Vehicle Height | 1650 mm | 1460 mm |
| Wheelbase Size | 2950 mm | 3090 mm |
| Fuel Tank Capacity | 75 L | 88 L |
