1974 AC 428 vs. 2013 BMW 5 Series
To start off, 2013 BMW 5 Series is newer by 39 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, 2013 BMW 5 Series (439 HP @ 5500 RPM) has 141 more horse power than 1974 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 2013 BMW 5 Series should accelerate faster than 1974 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 5 Series weights approximately 620 kg more than 1974 AC 428. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 5 Series is all wheel drive (AWD), it will have significant more traction and grip than 1974 AC 428. In wet, icy, snow, or gravel driving conditions, 2013 BMW 5 Series 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, 2013 BMW 5 Series (651 Nm @ 4500 RPM) has 12 more torque (in Nm) than 1974 AC 428. (639 Nm @ 2800 RPM). This means 2013 BMW 5 Series will have an easier job in driving up hills or pulling heavy equipment than 1974 AC 428. 2013 BMW 5 Series 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. 2013 BMW 5 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1974 AC 428 | 2013 BMW 5 Series | |
| Make | AC | BMW |
| Model | 428 | 5 Series |
| Year Released | 1974 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 439 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 639 Nm | 651 Nm |
| Torque RPM | 2800 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 2050 kg |
| Vehicle Length | 4430 mm | 4905 mm |
| Vehicle Width | 1710 mm | 2094 mm |
| Vehicle Height | 1310 mm | 1464 mm |
| Wheelbase Size | 2450 mm | 2968 mm |
