1991 Buick Roadmaster vs. 2010 Porsche Cayenne
To start off, 2010 Porsche Cayenne is newer by 19 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, 2010 Porsche Cayenne (405 HP @ 6500 RPM) has 228 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2010 Porsche Cayenne should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche Cayenne weights approximately 405 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 2010 Porsche Cayenne 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, 2010 Porsche Cayenne 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, 2010 Porsche Cayenne (500 Nm @ 3500 RPM) has 107 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2010 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2010 Porsche Cayenne | |
| Make | Buick | Porsche |
| Model | Roadmaster | Cayenne |
| Year Released | 1991 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 405 HP |
| Engine RPM | 4200 RPM | 6500 RPM |
| Torque | 393 Nm | 500 Nm |
| Torque RPM | 2400 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1840 kg | 2245 kg |
| Vehicle Length | 5280 mm | 4798 mm |
| Vehicle Width | 2040 mm | 1930 mm |
| Vehicle Height | 1650 mm | 1699 mm |
| Wheelbase Size | 2950 mm | 2855 mm |
| Fuel Tank Capacity | 75 L | 100 L |
