2004 Infiniti QX56 vs. 1978 Mercedes-Benz S
To start off, 2004 Infiniti QX56 is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1978 Mercedes-Benz S would be higher. At 5,556 cc (8 cylinders), 2004 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2004 Infiniti QX56 (315 HP) has 158 more horse power than 1978 Mercedes-Benz S. (157 HP). In normal driving conditions, 2004 Infiniti QX56 should accelerate faster than 1978 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti QX56 weights approximately 821 kg more than 1978 Mercedes-Benz S. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2004 Infiniti QX56 (529 Nm) has 306 more torque (in Nm) than 1978 Mercedes-Benz S. (223 Nm). This means 2004 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercedes-Benz S.
Compare all specifications:
| 2004 Infiniti QX56 | 1978 Mercedes-Benz S | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | S |
| Year Released | 2004 | 1978 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5556 cc | 2746 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 315 HP | 157 HP |
| Torque | 529 Nm | 223 Nm |
| Engine Bore Size | 98 mm | 86 mm |
| Engine Stroke Size | 92 mm | 78.8 mm |
| Engine Compression Ratio | 9.8:1 | 8.7:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2431 kg | 1610 kg |
| Vehicle Length | 5260 mm | 4740 mm |
| Vehicle Width | 2010 mm | 1880 mm |
| Vehicle Height | 1980 mm | 1430 mm |
| Wheelbase Size | 3140 mm | 2870 mm |
| Fuel Tank Capacity | 106 L | 85 L |
