1973 AC 428 vs. 2009 BMW X3
To start off, 2009 BMW X3 is newer by 36 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, 1973 AC 428 (298 HP @ 4600 RPM) has 150 more horse power than 2009 BMW X3. (148 HP @ 6200 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 2009 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 226 kg more than 1973 AC 428.
Because 2009 BMW X3 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, 2009 BMW X3 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 439 more torque (in Nm) than 2009 BMW X3. (200 Nm @ 3750 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X3.
Compare all specifications:
| 1973 AC 428 | 2009 BMW X3 | |
| Make | AC | BMW |
| Model | 428 | X3 |
| Year Released | 1973 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 148 HP |
| Engine RPM | 4600 RPM | 6200 RPM |
| Torque | 639 Nm | 200 Nm |
| Torque RPM | 2800 RPM | 3750 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1656 kg |
| Vehicle Length | 4430 mm | 4570 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1680 mm |
| Wheelbase Size | 2450 mm | 2800 mm |
