1981 Alfa Romeo Spider vs. 2007 Cadillac SRX
To start off, 2007 Cadillac SRX is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Spider would be higher. At 3,564 cc (6 cylinders), 2007 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2007 Cadillac SRX (254 HP @ 6500 RPM) has 151 more horse power than 1981 Alfa Romeo Spider. (103 HP @ 5500 RPM) In normal driving conditions, 2007 Cadillac SRX should accelerate faster than 1981 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac SRX weights approximately 1071 kg more than 1981 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 1981 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac SRX 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 SRX (339 Nm @ 2800 RPM) has 194 more torque (in Nm) than 1981 Alfa Romeo Spider. (145 Nm @ 4500 RPM). This means 2007 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Spider.
Compare all specifications:
| 1981 Alfa Romeo Spider | 2007 Cadillac SRX | |
| Make | Alfa Romeo | Cadillac |
| Model | Spider | SRX |
| Year Released | 1981 | 2007 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 3564 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 103 HP | 254 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 145 Nm | 339 Nm |
| Torque RPM | 4500 RPM | 2800 RPM |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1000 kg | 2071 kg |
| Vehicle Length | 4130 mm | 4960 mm |
| Vehicle Width | 1640 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1730 mm |
| Wheelbase Size | 2260 mm | 2960 mm |
