2003 BMW X Activity vs. 1974 AC 428
To start off, 2003 BMW X Activity is newer by 29 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 @ 4600 RPM) has 70 more horse power than 2003 BMW X Activity. (228 HP @ 5900 RPM) In normal driving conditions, 1974 AC 428 should accelerate faster than 2003 BMW X Activity. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X Activity weights approximately 200 kg more than 1974 AC 428.
Because 2003 BMW X Activity 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, 2003 BMW X Activity 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 339 more torque (in Nm) than 2003 BMW X Activity. (300 Nm @ 3500 RPM). This means 1974 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X Activity.
Compare all specifications:
| 2003 BMW X Activity | 1974 AC 428 | |
| Make | BMW | AC |
| Model | X Activity | 428 |
| Year Released | 2003 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 7003 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 298 HP |
| Engine RPM | 5900 RPM | 4600 RPM |
| Torque | 300 Nm | 639 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1430 kg |
| Vehicle Length | 4560 mm | 4430 mm |
| Wheelbase Size | 2830 mm | 2450 mm |
