1991 Citroen XM vs. 2007 Mercedes-Benz G
To start off, 2007 Mercedes-Benz G is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Citroen XM. In addition, the cost of maintenance, including insurance, on 1991 Citroen XM would be higher. At 3,996 cc (8 cylinders), 2007 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz G (248 HP @ 4000 RPM) has 133 more horse power than 1991 Citroen XM. (115 HP @ 5750 RPM) In normal driving conditions, 2007 Mercedes-Benz G should accelerate faster than 1991 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz G weights approximately 1210 kg more than 1991 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 1991 Citroen XM. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz G 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 Mercedes-Benz G (560 Nm @ 1700 RPM) has 391 more torque (in Nm) than 1991 Citroen XM. (169 Nm @ 4250 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen XM. 2007 Mercedes-Benz G has automatic transmission and 1991 Citroen XM has manual transmission. 1991 Citroen XM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Citroen XM | 2007 Mercedes-Benz G | |
| Make | Citroen | Mercedes-Benz |
| Model | XM | G |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3996 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 115 HP | 248 HP |
| Engine RPM | 5750 RPM | 4000 RPM |
| Torque | 169 Nm | 560 Nm |
| Torque RPM | 4250 RPM | 1700 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 193 km/hour | 180 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1280 kg | 2490 kg |
| Vehicle Length | 4720 mm | 4670 mm |
| Vehicle Width | 1800 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1940 mm |
| Wheelbase Size | 2760 mm | 2860 mm |
| Fuel Consumption Overall | 11.9 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 66 L | 96 L |
