2007 GMC Sierra vs. 1974 Opel Admiral
To start off, 2007 GMC Sierra is newer by 33 year(s). Which means there will be less support and parts availability for 1974 Opel Admiral. In addition, the cost of maintenance, including insurance, on 1974 Opel Admiral would be higher. At 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 211 more horse power than 1974 Opel Admiral. (142 HP @ 5200 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1974 Opel Admiral. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1102 kg more than 1974 Opel Admiral. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 279 more torque (in Nm) than 1974 Opel Admiral. (227 Nm @ 3600 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1974 Opel Admiral. 2007 GMC Sierra has automatic transmission and 1974 Opel Admiral has manual transmission. 1974 Opel Admiral will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 1974 Opel Admiral | |
| Make | GMC | Opel |
| Model | Sierra | Admiral |
| Year Released | 2007 | 1974 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 2782 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 353 HP | 142 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 506 Nm | 227 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Engine Bore Size | 102 mm | 92 mm |
| Engine Stroke Size | 92 mm | 69.8 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2577 kg | 1475 kg |
| Vehicle Length | 6590 mm | 4910 mm |
| Vehicle Width | 2040 mm | 1860 mm |
| Vehicle Height | 1950 mm | 1460 mm |
| Wheelbase Size | 4250 mm | 2850 mm |
| Fuel Tank Capacity | 129 L | 80 L |
