2009 Cadillac STS vs. 1988 Pontiac Grand Prix
To start off, 2009 Cadillac STS is newer by 21 year(s). Which means there will be less support and parts availability for 1988 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 1988 Pontiac Grand Prix would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (321 HP @ 6400 RPM) has 192 more horse power than 1988 Pontiac Grand Prix. (129 HP @ 4500 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1988 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 374 kg more than 1988 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1988 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Cadillac STS (427 Nm @ 4400 RPM) has 210 more torque (in Nm) than 1988 Pontiac Grand Prix. (217 Nm @ 3600 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1988 Pontiac Grand Prix.
Compare all specifications:
2009 Cadillac STS | 1988 Pontiac Grand Prix | |
Make | Cadillac | Pontiac |
Model | STS | Grand Prix |
Year Released | 2009 | 1988 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4565 cc | 2835 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Horse Power | 321 HP | 129 HP |
Engine RPM | 6400 RPM | 4500 RPM |
Torque | 427 Nm | 217 Nm |
Torque RPM | 4400 RPM | 3600 RPM |
Engine Bore Size | 93 mm | 89 mm |
Engine Stroke Size | 84 mm | 76 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1820 kg | 1446 kg |
Vehicle Length | 4990 mm | 4930 mm |
Vehicle Width | 1850 mm | 1810 mm |
Vehicle Height | 1470 mm | 1360 mm |
Wheelbase Size | 2960 mm | 2740 mm |
Fuel Tank Capacity | 66 L | 60 L |