2003 Chevrolet Avalanche vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Chevrolet Avalanche. In addition, the cost of maintenance, including insurance, on 2003 Chevrolet Avalanche would be higher. At 5,325 cc (8 cylinders), 2003 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (316 HP @ 4250 RPM) has 34 more horse power than 2003 Chevrolet Avalanche. (282 HP @ 5200 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2003 Chevrolet Avalanche. With that said, vehicle weight also plays an important factor in acceleration. 2003 Chevrolet Avalanche weights approximately 635 kg more than 2007 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2003 Chevrolet Avalanche (440 Nm @ 4000 RPM) has 70 more torque (in Nm) than 2007 Porsche 911. (370 Nm @ 4250 RPM). This means 2003 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche 911.
Compare all specifications:
| 2003 Chevrolet Avalanche | 2007 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | Avalanche | 911 |
| Year Released | 2003 | 2007 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5325 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 282 HP | 316 HP |
| Engine RPM | 5200 RPM | 4250 RPM |
| Torque | 440 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Engine Bore Size | 96 mm | 96 mm |
| Engine Stroke Size | 92 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2180 kg | 1545 kg |
| Vehicle Length | 5640 mm | 4440 mm |
| Vehicle Width | 2040 mm | 1840 mm |
| Vehicle Height | 1870 mm | 1300 mm |
| Wheelbase Size | 3310 mm | 2360 mm |
| Fuel Tank Capacity | 117 L | 64 L |
