2005 GMC Sierra vs. 1987 Opel Senator
To start off, 2005 GMC Sierra is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Opel Senator. In addition, the cost of maintenance, including insurance, on 1987 Opel Senator would be higher. At 5,964 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (340 HP @ 5200 RPM) has 162 more horse power than 1987 Opel Senator. (178 HP @ 5600 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1987 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 809 kg more than 1987 Opel Senator. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1987 Opel Senator. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (516 Nm @ 4000 RPM) has 276 more torque (in Nm) than 1987 Opel Senator. (240 Nm @ 4400 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1987 Opel Senator.
Compare all specifications:
| 2005 GMC Sierra | 1987 Opel Senator | |
| Make | GMC | Opel |
| Model | Sierra | Senator |
| Year Released | 2005 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 2969 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 178 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 516 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 102 mm | 95 mm |
| Engine Stroke Size | 92 mm | 69.8 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2345 kg | 1536 kg |
| Vehicle Length | 5740 mm | 4850 mm |
| Vehicle Width | 2000 mm | 1730 mm |
| Vehicle Height | 1910 mm | 1450 mm |
| Wheelbase Size | 3650 mm | 2690 mm |
