1973 AC 428 vs. 2005 Kia Optima
To start off, 2005 Kia Optima is newer by 32 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 128 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 57 kg more than 1973 AC 428.
Because 1973 AC 428 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 AC 428. However, in wet, icy, snow, or gravel driving conditions, 2005 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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) has 398 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 1973 AC 428 | 2005 Kia Optima | |
| Make | AC | Kia |
| Model | 428 | Optima |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 170 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Torque | 639 Nm | 241 Nm |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1487 kg |
| Vehicle Length | 4430 mm | 4730 mm |
| Vehicle Width | 1710 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2450 mm | 2710 mm |
