1981 Alfa Romeo Spider vs. 2009 Jeep Commander
To start off, 2009 Jeep Commander is newer by 28 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 2,987 cc (6 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2009 Jeep Commander (215 HP @ 4000 RPM) has 112 more horse power than 1981 Alfa Romeo Spider. (103 HP @ 5500 RPM) In normal driving conditions, 2009 Jeep Commander should accelerate faster than 1981 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Commander weights approximately 1355 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 2009 Jeep Commander 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, 2009 Jeep Commander 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 Jeep Commander (510 Nm @ 1600 RPM) has 365 more torque (in Nm) than 1981 Alfa Romeo Spider. (145 Nm @ 4500 RPM). This means 2009 Jeep Commander 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 | 2009 Jeep Commander | |
Make | Alfa Romeo | Jeep |
Model | Spider | Commander |
Year Released | 1981 | 2009 |
Body Type | Roadster | SUV |
Engine Position | Front | Front |
Engine Size | 1570 cc | 2987 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 103 HP | 215 HP |
Engine RPM | 5500 RPM | 4000 RPM |
Torque | 145 Nm | 510 Nm |
Torque RPM | 4500 RPM | 1600 RPM |
Engine Bore Size | 78 mm | 83 mm |
Engine Stroke Size | 82 mm | 92 mm |
Engine Compression Ratio | 9.0:1 | 17.7:1 |
Fuel Type | Gasoline | Diesel |
Drive Type | Rear | 4WD |
Number of Seats | 2 seats | 7 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1000 kg | 2355 kg |
Vehicle Length | 4130 mm | 4790 mm |
Vehicle Width | 1640 mm | 1910 mm |
Vehicle Height | 1300 mm | 1830 mm |
Wheelbase Size | 2260 mm | 2790 mm |