2009 Audi A4 vs. 1971 Buick Riviera
To start off, 2009 Audi A4 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1971 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 111 more horse power than 2009 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 1971 Buick Riviera should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 1110 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 336 more torque (in Nm) than 2009 Audi A4. (281 Nm @ 1800 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 1971 Buick Riviera | |
| Make | Audi | Buick |
| Model | A4 | Riviera |
| Year Released | 2009 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 7468 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 200 HP | 311 HP |
| Engine RPM | 5100 RPM | 4200 RPM |
| Torque | 281 Nm | 617 Nm |
| Torque RPM | 1800 RPM | 2600 RPM |
| Engine Compression Ratio | 10.5:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 2040 kg |
| Vehicle Length | 4580 mm | 5560 mm |
| Vehicle Width | 1780 mm | 2040 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 3110 mm |
