1998 Buick Riviera vs. 1979 Mazda 121
To start off, 1998 Buick Riviera is newer by 19 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 4,130 cc (6 cylinders), 1998 Buick Riviera is equipped with a bigger engine. In terms of performance, 1998 Buick Riviera (125 HP @ 4000 RPM) has 35 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 1998 Buick Riviera should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1998 Buick Riviera weights approximately 532 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 Mazda 121 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 1979 Mazda 121. However, in wet, icy, snow, or gravel driving conditions, 1998 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, 1998 Buick Riviera (287 Nm @ 2000 RPM) has 127 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1998 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1998 Buick Riviera | 1979 Mazda 121 | |
| Make | Buick | Mazda |
| Model | Riviera | 121 |
| Year Released | 1998 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 125 HP | 90 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 287 Nm | 160 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 100.7 mm | 80 mm |
| Engine Stroke Size | 86.4 mm | 98 mm |
| Engine Compression Ratio | 8.0:1 | 8.6:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1666 kg | 1134 kg |
| Vehicle Length | 5230 mm | 4510 mm |
| Vehicle Width | 2040 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1350 mm |
| Wheelbase Size | 2780 mm | 2520 mm |
