1971 AC 428 vs. 1969 Buick GS
To start off, 1971 AC 428 is newer by 2 year(s). Which means there will be less support and parts availability for 1969 Buick GS. In addition, the cost of maintenance, including insurance, on 1969 Buick GS would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 108 more horse power than 1969 Buick GS. (190 HP @ 4000 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1969 Buick GS. With that said, vehicle weight also plays an important factor in acceleration. 1969 Buick GS weights approximately 200 kg more than 1971 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 244 more torque (in Nm) than 1969 Buick GS. (395 Nm @ 2800 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1969 Buick GS.
Compare all specifications:
| 1971 AC 428 | 1969 Buick GS | |
| Make | AC | Buick |
| Model | 428 | GS |
| Year Released | 1971 | 1969 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 5724 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 190 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Torque | 639 Nm | 395 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1430 kg | 1630 kg |
| Vehicle Length | 4430 mm | 5180 mm |
| Vehicle Width | 1710 mm | 1960 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2450 mm | 2860 mm |
