1991 Buick Roadmaster vs. 1977 Mazda 929
To start off, 1991 Buick Roadmaster is newer by 14 year(s). Which means there will be less support and parts availability for 1977 Mazda 929. In addition, the cost of maintenance, including insurance, on 1977 Mazda 929 would be higher. At 5,002 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (168 HP @ 4200 RPM) has 85 more horse power than 1977 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 1977 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 926 kg more than 1977 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Buick Roadmaster (346 Nm @ 2400 RPM) has 212 more torque (in Nm) than 1977 Mazda 929. (134 Nm @ 3000 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 929.
Compare all specifications:
| 1991 Buick Roadmaster | 1977 Mazda 929 | |
| Make | Buick | Mazda |
| Model | Roadmaster | 929 |
| Year Released | 1991 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 83 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 346 Nm | 134 Nm |
| Torque RPM | 2400 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2000 kg | 1074 kg |
| Vehicle Length | 5540 mm | 4410 mm |
| Vehicle Width | 2040 mm | 1670 mm |
| Vehicle Height | 1540 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2520 mm |
