1989 Alfa Romeo SZ vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo SZ would be higher. At 3,600 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 94 more horse power than 1989 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1989 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 300 kg more than 1989 Alfa Romeo SZ. 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 124 more torque (in Nm) than 1989 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1989 Alfa Romeo SZ. 2009 Cadillac STS has automatic transmission and 1989 Alfa Romeo SZ has manual transmission. 1989 Alfa Romeo SZ 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:
| 1989 Alfa Romeo SZ | 2009 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | SZ | STS |
| Year Released | 1989 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 302 HP |
| Engine RPM | 6200 RPM | 6300 RPM |
| Torque | 245 Nm | 369 Nm |
| Torque RPM | 4500 RPM | 5200 RPM |
| Engine Compression Ratio | 10.0:1 | 3.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1560 kg |
| Vehicle Length | 4070 mm | 5000 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2960 mm |
| Fuel Consumption | 9.2 L/100km | 9.2 L/100km |
| Fuel Consumption City | 13.2 L/100km | 14 L/100km |
| Fuel Consumption Overall | 7.9 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 50 L | 64 L |
