1991 Mercedes-Benz 400 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 Mercedes-Benz 400. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 400 would be higher. At 4,965 cc (8 cylinders), 2007 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz G (292 HP @ 5500 RPM) has 6 more horse power than 1991 Mercedes-Benz 400. (286 HP @ 5700 RPM) In normal driving conditions, 2007 Mercedes-Benz G should accelerate faster than 1991 Mercedes-Benz 400. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 400 weights approximately 764 kg more than 2007 Mercedes-Benz G.
Because 2007 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mercedes-Benz 400. 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 (456 Nm @ 2800 RPM) has 46 more torque (in Nm) than 1991 Mercedes-Benz 400. (410 Nm @ 3900 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz 400.
Compare all specifications:
| 1991 Mercedes-Benz 400 | 2007 Mercedes-Benz G | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | 400 | G |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 4965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 286 HP | 292 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 410 Nm | 456 Nm |
| Torque RPM | 3900 RPM | 2800 RPM |
| Engine Bore Size | 92 mm | 97 mm |
| Engine Stroke Size | 78.9 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 245 km/hour | 190 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 9.7 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 2004 kg | 1240 kg |
| Vehicle Length | 5220 mm | 4260 mm |
| Vehicle Width | 1890 mm | 1770 mm |
| Vehicle Height | 1500 mm | 1950 mm |
| Wheelbase Size | 3150 mm | 2410 mm |
