1975 AC 428 vs. 1991 Lexus LS
To start off, 1991 Lexus LS is newer by 16 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, 1975 AC 428 (298 HP @ 4600 RPM) has 56 more horse power than 1991 Lexus LS. (242 HP @ 5400 RPM). In normal driving conditions, 1975 AC 428 should accelerate faster than 1991 Lexus LS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Lexus LS weights approximately 385 kg more than 1975 AC 428.
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 288 more torque (in Nm) than 1991 Lexus LS. (351 Nm @ 4400 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1991 Lexus LS. 1991 Lexus LS has automatic transmission and 1975 AC 428 has manual transmission. 1975 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Lexus LS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 AC 428 | 1991 Lexus LS | |
| Make | AC | Lexus |
| Model | 428 | LS |
| Year Released | 1975 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 3969 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 242 HP |
| Engine RPM | 4600 RPM | 5400 RPM |
| Torque | 639 Nm | 351 Nm |
| Torque RPM | 2800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1815 kg |
| Vehicle Length | 4430 mm | 5000 mm |
| Vehicle Width | 1710 mm | 1830 mm |
| Vehicle Height | 1310 mm | 1430 mm |
| Wheelbase Size | 2450 mm | 2820 mm |
