1983 Bentley Mulsanne vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 26 year(s). Which means there will be less support and parts availability for 1983 Bentley Mulsanne. In addition, the cost of maintenance, including insurance, on 1983 Bentley Mulsanne would be higher. At 6,750 cc (8 cylinders), 1983 Bentley Mulsanne is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 33 more horse power than 1983 Bentley Mulsanne. (320 HP @ 4200 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1983 Bentley Mulsanne. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 254 kg more than 1983 Bentley Mulsanne. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1983 Bentley Mulsanne. In wet, icy, snow, or gravel driving conditions, 2009 GMC Sierra 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, 1983 Bentley Mulsanne (617 Nm @ 2400 RPM) has 111 more torque (in Nm) than 2009 GMC Sierra. (506 Nm @ 4400 RPM). This means 1983 Bentley Mulsanne will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Sierra.
Compare all specifications:
| 1983 Bentley Mulsanne | 2009 GMC Sierra | |
| Make | Bentley | GMC |
| Model | Mulsanne | Sierra |
| Year Released | 1983 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 6750 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 320 HP | 353 HP |
| Engine RPM | 4200 RPM | 5400 RPM |
| Torque | 617 Nm | 506 Nm |
| Torque RPM | 2400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2410 kg | 2664 kg |
| Vehicle Length | 5290 mm | 5710 mm |
| Vehicle Width | 1940 mm | 2040 mm |
| Vehicle Height | 1490 mm | 1940 mm |
| Wheelbase Size | 3070 mm | 3380 mm |
| Fuel Consumption Overall | 14.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 108 L | 129 L |
