1971 Buick Riviera vs. 2003 Pontiac Aztek
To start off, 2003 Pontiac Aztek is newer by 32 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 135 more horse power than 2003 Pontiac Aztek. (176 HP @ 5200 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 2003 Pontiac Aztek. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 210 kg more than 2003 Pontiac Aztek. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Pontiac Aztek 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, 2003 Pontiac Aztek 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 319 more torque (in Nm) than 2003 Pontiac Aztek. (298 Nm @ 4000 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac Aztek.
Compare all specifications:
| 1971 Buick Riviera | 2003 Pontiac Aztek | |
| Make | Buick | Pontiac |
| Model | Riviera | Aztek |
| Year Released | 1971 | 2003 |
| Body Type | Coupe | Crossover |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 3392 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 311 HP | 176 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 617 Nm | 298 Nm |
| Torque RPM | 2600 RPM | 4000 RPM |
| Engine Compression Ratio | 8.3:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2040 kg | 1830 kg |
| Vehicle Length | 5560 mm | 4630 mm |
| Vehicle Width | 2040 mm | 1880 mm |
| Vehicle Height | 1380 mm | 1700 mm |
| Wheelbase Size | 3110 mm | 2760 mm |
