2009 Chevrolet Avalanche vs. 1999 Porsche 911
To start off, 2009 Chevrolet Avalanche is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 5,300 cc (8 cylinders), 2009 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Avalanche (310 HP @ 5200 RPM) has 14 more horse power than 1999 Porsche 911. (296 HP @ 6000 RPM). In normal driving conditions, 2009 Chevrolet Avalanche should accelerate faster than 1999 Porsche 911.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Chevrolet Avalanche. In wet, icy, snow, or gravel driving conditions, 1999 Porsche 911 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 Chevrolet Avalanche (454 Nm) has 104 more torque (in Nm) than 1999 Porsche 911. (350 Nm). This means 2009 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche 911. 2009 Chevrolet Avalanche has automatic transmission and 1999 Porsche 911 has manual transmission. 1999 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 | 1999 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | Avalanche | 911 |
| Year Released | 2009 | 1999 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5300 cc | 3387 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 310 HP | 296 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 454 Nm | 350 Nm |
| Engine Compression Ratio | 10.7:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5630 mm | 4440 mm |
| Vehicle Width | 2020 mm | 1770 mm |
| Vehicle Height | 1950 mm | 1320 mm |
| Wheelbase Size | 3310 mm | 2360 mm |
