2007 BMW X5 vs. 1973 AC 428
To start off, 2007 BMW X5 is newer by 34 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 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (350 HP @ 6300 RPM) has 52 more horse power than 1973 AC 428. (298 HP @ 4600 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1973 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 770 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.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1973 AC 428. In wet, icy, snow, or gravel driving conditions, 2007 BMW X5 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 163 more torque (in Nm) than 2007 BMW X5. (476 Nm @ 3400 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 2007 BMW X5 | 1973 AC 428 | |
| Make | BMW | AC |
| Model | X5 | 428 |
| Year Released | 2007 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 7002 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 350 HP | 298 HP |
| Engine RPM | 6300 RPM | 4600 RPM |
| Torque | 476 Nm | 639 Nm |
| Torque RPM | 3400 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2200 kg | 1430 kg |
| Vehicle Length | 4860 mm | 4430 mm |
| Vehicle Width | 1940 mm | 1710 mm |
| Vehicle Height | 1770 mm | 1310 mm |
| Wheelbase Size | 2940 mm | 2450 mm |
