1998 Mercedes-Benz SL vs. 1968 Plymouth GTX
To start off, 1998 Mercedes-Benz SL is newer by 30 year(s). Which means there will be less support and parts availability for 1968 Plymouth GTX. In addition, the cost of maintenance, including insurance, on 1968 Plymouth GTX would be higher. At 7,206 cc (8 cylinders), 1968 Plymouth GTX is equipped with a bigger engine. In terms of performance, 1998 Mercedes-Benz SL (389 HP @ 5200 RPM) has 14 more horse power than 1968 Plymouth GTX. (375 HP @ 4600 RPM). In normal driving conditions, 1998 Mercedes-Benz SL should accelerate faster than 1968 Plymouth GTX. With that said, vehicle weight also plays an important factor in acceleration. 1998 Mercedes-Benz SL weights approximately 453 kg more than 1968 Plymouth GTX. 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, 1968 Plymouth GTX (651 Nm @ 3200 RPM) has 81 more torque (in Nm) than 1998 Mercedes-Benz SL. (570 Nm @ 3800 RPM). This means 1968 Plymouth GTX will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercedes-Benz SL.
Compare all specifications:
| 1998 Mercedes-Benz SL | 1968 Plymouth GTX | |
| Make | Mercedes-Benz | Plymouth |
| Model | SL | GTX |
| Year Released | 1998 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 5987 cc | 7206 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 389 HP | 375 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 570 Nm | 651 Nm |
| Torque RPM | 3800 RPM | 3200 RPM |
| Engine Bore Size | 89.1 mm | 109.7 mm |
| Engine Stroke Size | 80.2 mm | 95.3 mm |
| Engine Compression Ratio | 10.0:1 | 10.1:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2050 kg | 1597 kg |
| Vehicle Length | 4510 mm | 5160 mm |
| Vehicle Width | 1820 mm | 1950 mm |
| Vehicle Height | 1300 mm | 1340 mm |
| Wheelbase Size | 2410 mm | 2950 mm |
| Fuel Tank Capacity | 80 L | 72 L |
