2009 Chevrolet Avalanche vs. 1981 Porsche 911
To start off, 2009 Chevrolet Avalanche is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 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 78 more horse power than 1981 Porsche 911. (232 HP @ 5900 RPM). In normal driving conditions, 2009 Chevrolet Avalanche should accelerate faster than 1981 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Avalanche weights approximately 1 kg more than 1981 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2009 Chevrolet Avalanche (454 Nm @ 4400 RPM) has 170 more torque (in Nm) than 1981 Porsche 911. (284 Nm @ 4800 RPM). This means 2009 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 911. 2009 Chevrolet Avalanche has automatic transmission and 1981 Porsche 911 has manual transmission. 1981 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 | 1981 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | Avalanche | 911 |
| Year Released | 2009 | 1981 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5300 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 310 HP | 232 HP |
| Engine RPM | 5200 RPM | 5900 RPM |
| Torque | 454 Nm | 284 Nm |
| Torque RPM | 4400 RPM | 4800 RPM |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1261 kg | 1260 kg |
| Vehicle Length | 5630 mm | 4300 mm |
| Vehicle Width | 2020 mm | 1660 mm |
| Vehicle Height | 1950 mm | 1330 mm |
| Wheelbase Size | 3310 mm | 2270 mm |
| Fuel Tank Capacity | 117 L | 80 L |
