1973 Chevrolet Impala vs. 1999 GMC Suburban
To start off, 1999 GMC Suburban is newer by 26 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 7,400 cc (8 cylinders), 1999 GMC Suburban is equipped with a bigger engine. In terms of performance, 1999 GMC Suburban (250 HP) has 140 more horse power than 1973 Chevrolet Impala. (110 HP) In normal driving conditions, 1999 GMC Suburban should accelerate faster than 1973 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Suburban weights approximately 240 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, 1999 GMC Suburban (455 Nm) has 204 more torque (in Nm) than 1973 Chevrolet Impala. (251 Nm). This means 1999 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1973 Chevrolet Impala. 1999 GMC Suburban 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. 1999 GMC Suburban will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Chevrolet Impala | 1999 GMC Suburban | |
| Make | Chevrolet | GMC |
| Model | Impala | Suburban |
| Year Released | 1973 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 4097 cc | 7400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 110 HP | 250 HP |
| Torque | 251 Nm | 455 Nm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 9 seats |
| Vehicle Weight | 1715 kg | 1955 kg |
| Vehicle Length | 5600 mm | 5590 mm |
| Vehicle Width | 2030 mm | 1950 mm |
| Vehicle Height | 1370 mm | 1790 mm |
| Wheelbase Size | 3100 mm | 3350 mm |
