1999 Buick Riviera vs. 1975 AC 428
To start off, 1999 Buick Riviera 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, 1975 AC 428 (298 HP @ 4600 RPM) has 93 more horse power than 1999 Buick Riviera. (205 HP @ 5200 RPM) In normal driving conditions, 1975 AC 428 should accelerate faster than 1999 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 270 kg more than 1975 AC 428.
Because 1975 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 1975 AC 428. However, in wet, icy, snow, or gravel driving conditions, 1999 Buick Riviera, 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, 1975 AC 428 (639 Nm @ 2800 RPM) has 327 more torque (in Nm) than 1999 Buick Riviera. (312 Nm @ 4000 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Riviera.
Compare all specifications:
| 1999 Buick Riviera | 1975 AC 428 | |
| Make | Buick | AC |
| Model | Riviera | 428 |
| Year Released | 1999 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 7003 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 205 HP | 298 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 312 Nm | 639 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1700 kg | 1430 kg |
| Vehicle Length | 5270 mm | 4430 mm |
| Vehicle Width | 1910 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1310 mm |
