1977 Citroen GS vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Citroen GS. In addition, the cost of maintenance, including insurance, on 1977 Citroen GS would be higher. At 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP @ 5200 RPM) has 290 more horse power than 1977 Citroen GS. (55 HP @ 6500 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1977 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1588 kg more than 1977 Citroen GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Citroen GS. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 GMC Sierra (515 Nm @ 4000 RPM) has 443 more torque (in Nm) than 1977 Citroen GS. (72 Nm @ 3500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Citroen GS.
Compare all specifications:
| 1977 Citroen GS | 2006 GMC Sierra | |
| Make | Citroen | GMC |
| Model | GS | Sierra |
| Year Released | 1977 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1015 cc | 5996 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 55 HP | 345 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 72 Nm | 515 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 74 mm | 102 mm |
| Engine Stroke Size | 59 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 890 kg | 2478 kg |
| Vehicle Length | 4130 mm | 5850 mm |
| Vehicle Width | 1620 mm | 2000 mm |
| Vehicle Height | 1360 mm | 1910 mm |
| Wheelbase Size | 2560 mm | 3650 mm |
| Fuel Tank Capacity | 43 L | 98 L |
