1974 AC 428 vs. 2005 Mercedes-Benz R
To start off, 2005 Mercedes-Benz R is newer by 31 year(s). Which means there will be less support and parts availability for 1974 AC 428. In addition, the cost of maintenance, including insurance, on 1974 AC 428 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) has 30 more horse power than 2005 Mercedes-Benz R. (268 HP). In normal driving conditions, 1974 AC 428 should accelerate faster than 2005 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 775 kg more than 1974 AC 428.
Because 2005 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1974 AC 428. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz R will offer significantly more control. 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, 1974 AC 428 (639 Nm @ 2800 RPM) has 289 more torque (in Nm) than 2005 Mercedes-Benz R. (350 Nm @ 2400 RPM). This means 1974 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz R. 2005 Mercedes-Benz R has automatic transmission and 1974 AC 428 has manual transmission. 1974 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1974 AC 428 | 2005 Mercedes-Benz R | |
| Make | AC | Mercedes-Benz |
| Model | 428 | R |
| Year Released | 1974 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 268 HP |
| Torque | 639 Nm | 350 Nm |
| Torque RPM | 2800 RPM | 2400 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1430 kg | 2205 kg |
| Vehicle Length | 4430 mm | 5160 mm |
| Vehicle Width | 1710 mm | 1930 mm |
| Vehicle Height | 1310 mm | 1660 mm |
| Wheelbase Size | 2450 mm | 3220 mm |
