2007 GMC Sierra vs. 1977 Opel Monza
To start off, 2007 GMC Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Opel Monza. In addition, the cost of maintenance, including insurance, on 1977 Opel Monza would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 197 more horse power than 1977 Opel Monza. (115 HP @ 5600 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1977 Opel Monza. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1893 kg more than 1977 Opel Monza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Opel Monza. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 345 more torque (in Nm) than 1977 Opel Monza. (161 Nm @ 4200 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Monza.
Compare all specifications:
| 2007 GMC Sierra | 1977 Opel Monza | |
| Make | GMC | Opel |
| Model | Sierra | Monza |
| Year Released | 2007 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1979 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 312 HP | 115 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 506 Nm | 161 Nm |
| Torque RPM | 4400 RPM | 4200 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 | 3 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2678 kg | 785 kg |
| Vehicle Length | 5720 mm | 4730 mm |
| Vehicle Width | 2440 mm | 1730 mm |
| Vehicle Height | 1930 mm | 1350 mm |
| Wheelbase Size | 3380 mm | 2670 mm |
| Fuel Tank Capacity | 129 L | 43 L |
