1975 AC 428 vs. 1999 Lamborghini Diablo
To start off, 1999 Lamborghini Diablo is newer by 24 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 1999 Lamborghini Diablo (523 HP @ 7000 RPM) has 225 more horse power than 1975 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 1999 Lamborghini Diablo should accelerate faster than 1975 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 1999 Lamborghini Diablo weights approximately 22 kg more than 1975 AC 428. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1975 AC 428 (639 Nm @ 2800 RPM) has 34 more torque (in Nm) than 1999 Lamborghini Diablo. (605 Nm @ 5200 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1999 Lamborghini Diablo.
Compare all specifications:
| 1975 AC 428 | 1999 Lamborghini Diablo | |
| Make | AC | Lamborghini |
| Model | 428 | Diablo |
| Year Released | 1975 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 7003 cc | 5707 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 523 HP |
| Engine RPM | 4600 RPM | 7000 RPM |
| Torque | 639 Nm | 605 Nm |
| Torque RPM | 2800 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1452 kg |
| Vehicle Length | 4430 mm | 4470 mm |
| Vehicle Width | 1710 mm | 2050 mm |
| Vehicle Height | 1310 mm | 1110 mm |
| Wheelbase Size | 2450 mm | 2660 mm |
