2011 Mercedes-Benz CLS vs. 1975 AC 428
To start off, 2011 Mercedes-Benz CLS is newer by 36 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz CLS (518 HP @ 5250 RPM) has 220 more horse power than 1975 AC 428. (298 HP @ 4600 RPM). In normal driving conditions, 2011 Mercedes-Benz CLS should accelerate faster than 1975 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz CLS weights approximately 510 kg more than 1975 AC 428. 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, 2011 Mercedes-Benz CLS (699 Nm @ 1700 RPM) has 60 more torque (in Nm) than 1975 AC 428. (639 Nm @ 2800 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1975 AC 428.
Compare all specifications:
| 2011 Mercedes-Benz CLS | 1975 AC 428 | |
| Make | Mercedes-Benz | AC |
| Model | CLS | 428 |
| Year Released | 2011 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5500 cc | 7003 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 518 HP | 298 HP |
| Engine RPM | 5250 RPM | 4600 RPM |
| Torque | 699 Nm | 639 Nm |
| Torque RPM | 1700 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | 7-speed shiftable automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1430 kg |
| Vehicle Length | 4996 mm | 4430 mm |
| Vehicle Width | 1882 mm | 1710 mm |
| Vehicle Height | 1407 mm | 1310 mm |
| Wheelbase Size | 2875 mm | 2450 mm |
