1991 Buick Roadmaster vs. 1973 Chevrolet Impala
To start off, 1991 Buick Roadmaster is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1973 Chevrolet Impala would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (177 HP @ 4200 RPM) has 67 more horse power than 1973 Chevrolet Impala. (110 HP @ 3800 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 1973 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 125 kg more than 1973 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 142 more torque (in Nm) than 1973 Chevrolet Impala. (251 Nm @ 1600 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1973 Chevrolet Impala. 1991 Buick Roadmaster has automatic transmission and 1973 Chevrolet Impala has manual transmission. 1973 Chevrolet Impala will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
1991 Buick Roadmaster | 1973 Chevrolet Impala | |
Make | Buick | Chevrolet |
Model | Roadmaster | Impala |
Year Released | 1991 | 1973 |
Engine Position | Front | Front |
Engine Size | 5731 cc | 4097 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 177 HP | 110 HP |
Engine RPM | 4200 RPM | 3800 RPM |
Torque | 393 Nm | 251 Nm |
Torque RPM | 2400 RPM | 1600 RPM |
Engine Compression Ratio | 8.0:1 | 8.5:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Vehicle Weight | 1840 kg | 1715 kg |
Vehicle Length | 5280 mm | 5600 mm |
Vehicle Width | 2040 mm | 2030 mm |
Vehicle Height | 1650 mm | 1370 mm |
Wheelbase Size | 2950 mm | 3100 mm |