2005 Chevrolet Avalanche vs. 2003 Porsche 911
To start off, 2005 Chevrolet Avalanche is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 8,128 cc (8 cylinders), 2005 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (340 HP @ 6800 RPM) has 20 more horse power than 2005 Chevrolet Avalanche. (320 HP @ 5600 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2005 Chevrolet Avalanche. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Avalanche weights approximately 1604 kg more than 2003 Porsche 911.
Because 2005 Chevrolet Avalanche is four wheel drive (4WD), it will have significant more traction and grip than 2003 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Avalanche 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, 2005 Chevrolet Avalanche (597 Nm) has 227 more torque (in Nm) than 2003 Porsche 911. (370 Nm). This means 2005 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche 911. 2005 Chevrolet Avalanche has automatic transmission and 2003 Porsche 911 has manual transmission. 2003 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Chevrolet Avalanche will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Chevrolet Avalanche | 2003 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | Avalanche | 911 |
| Year Released | 2005 | 2003 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 8128 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 320 HP | 340 HP |
| Engine RPM | 5600 RPM | 6800 RPM |
| Torque | 597 Nm | 370 Nm |
| Engine Bore Size | 108 mm | 96 mm |
| Engine Stroke Size | 111 mm | 82.8 mm |
| Engine Compression Ratio | 9.1:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2984 kg | 1380 kg |
| Vehicle Length | 5640 mm | 4440 mm |
| Vehicle Width | 2030 mm | 1780 mm |
| Vehicle Height | 1880 mm | 1300 mm |
| Wheelbase Size | 3310 mm | 2360 mm |
| Fuel Tank Capacity | 140 L | 64 L |
