2007 Cadillac STS vs. 1984 Pontiac Grand Am
To start off, 2007 Cadillac STS is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1984 Pontiac Grand Am would be higher. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (254 HP @ 6500 RPM) has 165 more horse power than 1984 Pontiac Grand Am. (89 HP @ 4400 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1984 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 652 kg more than 1984 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1984 Pontiac Grand Am. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS 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, 2007 Cadillac STS (342 Nm @ 3200 RPM) has 163 more torque (in Nm) than 1984 Pontiac Grand Am. (179 Nm @ 2800 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1984 Pontiac Grand Am.
Compare all specifications:
| 2007 Cadillac STS | 1984 Pontiac Grand Am | |
| Make | Cadillac | Pontiac |
| Model | STS | Grand Am |
| Year Released | 2007 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 2469 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 254 HP | 89 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 342 Nm | 179 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Engine Bore Size | 94 mm | 101.6 mm |
| Engine Stroke Size | 85.6 mm | 76.2 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1782 kg | 1130 kg |
| Vehicle Length | 4990 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1340 mm |
| Wheelbase Size | 2960 mm | 2630 mm |
