2007 GMC Sierra vs. 1974 Opel Manta
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 Manta. In addition, the cost of maintenance, including insurance, on 1974 Opel Manta 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 253 more horse power than 1974 Opel Manta. (59 HP @ 5400 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1974 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1860 kg more than 1974 Opel Manta. 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 1974 Opel Manta. 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 416 more torque (in Nm) than 1974 Opel Manta. (90 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1974 Opel Manta. 2007 GMC Sierra has automatic transmission and 1974 Opel Manta has manual transmission. 1974 Opel Manta 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 Manta | |
| Make | GMC | Opel |
| Model | Sierra | Manta |
| Year Released | 2007 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 312 HP | 59 HP |
| Engine RPM | 4400 RPM | 5400 RPM |
| Torque | 506 Nm | 90 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Vehicle Weight | 2790 kg | 930 kg |
| Vehicle Length | 6340 mm | 4300 mm |
| Vehicle Width | 2440 mm | 1640 mm |
| Vehicle Height | 1940 mm | 1360 mm |
| Wheelbase Size | 4010 mm | 2440 mm |
