1973 Checker Aerobus vs. 1981 Chevrolet Suburban
To start off, 1981 Chevrolet Suburban is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Checker Aerobus. In addition, the cost of maintenance, including insurance, on 1973 Checker Aerobus would be higher. At 5,733 cc (8 cylinders), 1973 Checker Aerobus is equipped with a bigger engine. In terms of performance, 1973 Checker Aerobus (185 HP @ 4000 RPM) has 56 more horse power than 1981 Chevrolet Suburban. (129 HP @ 4000 RPM). In normal driving conditions, 1973 Checker Aerobus should accelerate faster than 1981 Chevrolet Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1973 Checker Aerobus weights approximately 173 kg more than 1981 Chevrolet Suburban. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Chevrolet Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1973 Checker Aerobus. In wet, icy, snow, or gravel driving conditions, 1981 Chevrolet Suburban 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, 1973 Checker Aerobus (463 Nm @ 2800 RPM) has 178 more torque (in Nm) than 1981 Chevrolet Suburban. (285 Nm @ 2000 RPM). This means 1973 Checker Aerobus will have an easier job in driving up hills or pulling heavy equipment than 1981 Chevrolet Suburban. 1981 Chevrolet Suburban has automatic transmission and 1973 Checker Aerobus has manual transmission. 1973 Checker Aerobus will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Chevrolet Suburban will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Checker Aerobus | 1981 Chevrolet Suburban | |
| Make | Checker | Chevrolet |
| Model | Aerobus | Suburban |
| Year Released | 1973 | 1981 |
| Engine Size | 5733 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 129 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 463 Nm | 285 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 2405 kg | 2232 kg |
| Vehicle Length | 6690 mm | 5480 mm |
| Vehicle Width | 1940 mm | 1950 mm |
| Vehicle Height | 1600 mm | 1800 mm |
| Wheelbase Size | 4760 mm | 3300 mm |
