1973 AC 428 vs. 1998 Mercedes-Benz SL
To start off, 1998 Mercedes-Benz SL is newer by 25 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,291 cc (12 cylinders), 1998 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 1998 Mercedes-Benz SL (518 HP @ 5550 RPM) has 220 more horse power than 1973 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 1998 Mercedes-Benz SL should accelerate faster than 1973 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 1998 Mercedes-Benz SL weights approximately 620 kg more than 1973 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, 1998 Mercedes-Benz SL (766 Nm @ 4000 RPM) has 127 more torque (in Nm) than 1973 AC 428. (639 Nm @ 2800 RPM). This means 1998 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1973 AC 428. 1998 Mercedes-Benz SL has automatic transmission and 1973 AC 428 has manual transmission. 1973 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 AC 428 | 1998 Mercedes-Benz SL | |
| Make | AC | Mercedes-Benz |
| Model | 428 | SL |
| Year Released | 1973 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 7291 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 518 HP |
| Engine RPM | 4600 RPM | 5550 RPM |
| Torque | 639 Nm | 766 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 2050 kg |
| Vehicle Length | 4430 mm | 4470 mm |
| Vehicle Width | 1710 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1300 mm |
| Wheelbase Size | 2450 mm | 2520 mm |
