1977 Citroen GS vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 35 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 2,993 cc (6 cylinders), 2012 BMW X5 is equipped with a bigger engine. In terms of performance, 2012 BMW X5 (244 HP @ 4000 RPM) has 189 more horse power than 1977 Citroen GS. (55 HP @ 6500 RPM) In normal driving conditions, 2012 BMW X5 should accelerate faster than 1977 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 1260 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 2012 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1977 Citroen GS. In wet, icy, snow, or gravel driving conditions, 2012 BMW X5 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, 2012 BMW X5 (540 Nm @ 1750 RPM) has 468 more torque (in Nm) than 1977 Citroen GS. (72 Nm @ 3500 RPM). This means 2012 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1977 Citroen GS.
Compare all specifications:
| 1977 Citroen GS | 2012 BMW X5 | |
| Make | Citroen | BMW |
| Model | GS | X5 |
| Year Released | 1977 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1015 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 55 HP | 244 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 72 Nm | 540 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 74 mm | 90 mm |
| Engine Stroke Size | 59 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 890 kg | 2150 kg |
| Vehicle Length | 4130 mm | 4857 mm |
| Vehicle Width | 1620 mm | 1933 mm |
| Vehicle Height | 1360 mm | 1776 mm |
| Wheelbase Size | 2560 mm | 2933 mm |
| Fuel Tank Capacity | 43 L | 85 L |
