1991 Mercedes-Benz 400 vs. 1971 AC 428
To start off, 1991 Mercedes-Benz 400 is newer by 20 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 11 more horse power than 1991 Mercedes-Benz 400. (287 HP @ 5700 RPM) In normal driving conditions, 1971 AC 428 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 570 kg more than 1971 AC 428.
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, 1971 AC 428 (639 Nm @ 2800 RPM) has 229 more torque (in Nm) than 1991 Mercedes-Benz 400. (410 Nm @ 3900 RPM). This means 1971 AC 428 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 | 1971 AC 428 | |
| Make | Mercedes-Benz | AC |
| Model | 400 | 428 |
| Year Released | 1991 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 7003 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 287 HP | 298 HP |
| Engine RPM | 5700 RPM | 4600 RPM |
| Torque | 410 Nm | 639 Nm |
| Torque RPM | 3900 RPM | 2800 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2000 kg | 1430 kg |
| Vehicle Length | 5110 mm | 4430 mm |
| Vehicle Width | 1890 mm | 1710 mm |
| Vehicle Height | 1500 mm | 1310 mm |
| Wheelbase Size | 3050 mm | 2450 mm |
