2009 Cadillac STS vs. 1987 Porsche 924
To start off, 2009 Cadillac STS is newer by 22 year(s). Which means there will be less support and parts availability for 1987 Porsche 924. In addition, the cost of maintenance, including insurance, on 1987 Porsche 924 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 160 more horse power than 1987 Porsche 924. (161 HP @ 5900 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1987 Porsche 924. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 625 kg more than 1987 Porsche 924. 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 1987 Porsche 924. 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 217 more torque (in Nm) than 1987 Porsche 924. (210 Nm @ 4500 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1987 Porsche 924. 2009 Cadillac STS has automatic transmission and 1987 Porsche 924 has manual transmission. 1987 Porsche 924 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 1987 Porsche 924 | |
| Make | Cadillac | Porsche |
| Model | STS | 924 |
| Year Released | 2009 | 1987 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2479 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 161 HP |
| Engine RPM | 6400 RPM | 5900 RPM |
| Torque | 427 Nm | 210 Nm |
| Torque RPM | 4400 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 84 mm | 78.9 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 216 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1195 kg |
| Vehicle Length | 4990 mm | 4220 mm |
| Vehicle Width | 1850 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2960 mm | 2410 mm |
| Fuel Tank Capacity | 66 L | 66 L |
