1973 Buick Riviera vs. 1981 Audi 4000
To start off, 1981 Audi 4000 is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1973 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1973 Buick Riviera is equipped with a bigger engine. In terms of performance, 1973 Buick Riviera (250 HP @ 4000 RPM) has 150 more horse power than 1981 Audi 4000. (100 HP @ 4250 RPM). In normal driving conditions, 1973 Buick Riviera should accelerate faster than 1981 Audi 4000.
Because 1981 Audi 4000 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 1981 Audi 4000 will offer significantly more control. 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 Buick Riviera (518 Nm) has 381 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 1973 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000.
Compare all specifications:
| 1973 Buick Riviera | 1981 Audi 4000 | |
| Make | Buick | Audi |
| Model | Riviera | 4000 |
| Year Released | 1973 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 250 HP | 100 HP |
| Engine RPM | 4000 RPM | 4250 RPM |
| Torque | 518 Nm | 137 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Length | 5560 mm | 4490 mm |
| Vehicle Width | 2040 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 3110 mm | 2550 mm |
