2009 Chevrolet Avalanche vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Chevrolet Avalanche. In addition, the cost of maintenance, including insurance, on 2009 Chevrolet Avalanche would be higher. At 5,300 cc (8 cylinders), 2009 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (345 HP @ 6500 RPM) has 34 more horse power than 2009 Chevrolet Avalanche. (311 HP @ 5200 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2009 Chevrolet Avalanche. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Avalanche weights approximately 720 kg more than 2011 Porsche 911.
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 Chevrolet Avalanche (454 Nm @ 4400 RPM) has 64 more torque (in Nm) than 2011 Porsche 911. (390 Nm @ 4400 RPM). This means 2009 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche 911. 2009 Chevrolet Avalanche has automatic transmission and 2011 Porsche 911 has manual transmission. 2011 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Chevrolet Avalanche will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Chevrolet Avalanche | 2011 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | Avalanche | 911 |
| Year Released | 2009 | 2011 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5300 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 311 HP | 345 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 454 Nm | 390 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2200 kg | 1480 kg |
| Vehicle Length | 5630 mm | 4460 mm |
| Vehicle Width | 2020 mm | 1852 mm |
| Vehicle Height | 1950 mm | 1311 mm |
| Wheelbase Size | 3310 mm | 2350 mm |
| Fuel Consumption Highway | 11.8 L/100km | 9.4 L/100km |
| Fuel Consumption City | 16.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 117 L | 67 L |
