1974 AC 428 vs. 1968 Mercedes-Benz W 111
To start off, 1974 AC 428 is newer by 6 year(s). Which means there will be less support and parts availability for 1968 Mercedes-Benz W 111. In addition, the cost of maintenance, including insurance, on 1968 Mercedes-Benz W 111 would be higher. At 7,003 cc (8 cylinders), 1974 AC 428 is equipped with a bigger engine. In terms of performance, 1974 AC 428 (298 HP @ 4600 RPM) has 180 more horse power than 1968 Mercedes-Benz W 111. (118 HP @ 5400 RPM). In normal driving conditions, 1974 AC 428 should accelerate faster than 1968 Mercedes-Benz W 111. With that said, vehicle weight also plays an important factor in acceleration. 1974 AC 428 weights approximately 80 kg more than 1968 Mercedes-Benz W 111. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1974 AC 428 (639 Nm @ 2800 RPM) has 460 more torque (in Nm) than 1968 Mercedes-Benz W 111. (179 Nm @ 3000 RPM). This means 1974 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1968 Mercedes-Benz W 111.
Compare all specifications:
| 1974 AC 428 | 1968 Mercedes-Benz W 111 | |
| Make | AC | Mercedes-Benz |
| Model | 428 | W 111 |
| Year Released | 1974 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 2306 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 118 HP |
| Engine RPM | 4600 RPM | 5400 RPM |
| Torque | 639 Nm | 179 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1350 kg |
| Vehicle Length | 4430 mm | 4890 mm |
| Vehicle Width | 1710 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1430 mm |
| Wheelbase Size | 2450 mm | 2760 mm |
