The Z66 package was an “on-road” suspension package that “looked” like the Z71 off-road suspension, but was designed for on-road comfort and ride quality. The Z66 is a two-wheel road suspension with special wheels, limited slip differential, special shock absorbers and spring tuning.
Contents
The popular Z71 off-road styling package is available and includes high-pressure gas-charged mono-tube shock absorbers, 18″ on-road/off-road tires, auto-locking differential, front recovery hooks, a durable skid plate and heavy-duty air filter.
Chevrolet released the Avalanche in 2001 for the 2002 model year as a middle ground between the Silverado and the Suburban. Still classed as a full-fledged pickup, it wasn’t really an SUV that attracted the soccer moms.
Here’s the short answer to how long Chevrolet Avalanches last: With proper maintenance, you can have a new Chevrolet Avalanche that lasts up to 300,000 miles. That’s about 20 years of service if, like most Americans, you drive an average of 15,000 miles a year.
The Z71 package also comes with unique visual cues and badging, including a Z71 graphic on the instrument cluster and a special finish on the interior trim pieces. There is also a Z71 badge on the grille, identifying the truck as a full off-road machine.
Avalanche 1500 models are powered by a 5.3-liter Vortec V8 producing 285 horsepower and 325 pound-feet of torque. It’s mated to the 4L60-E four-speed automatic transmission and can tow 8200 pounds in 2-wheel drive and 7900 pounds in 4-wheel drive. (Trailer brakes are required.)
This is a popular choice for Silverado HD truck owners and adds features like off-road-tuned twin-tube shock absorbers, skid plate and Hill Descent Control. Available for most Silverado HD configurations, this pack provides extra stability and protection when driving on rough roads.
Sport utility trucks have fallen out of favor in recent years with the discontinuation of the Ford Explorer Sport Trac, the Hummer H2T and now the Avalanche. Analysts say the Avalanche’s discontinuation is likely due to the rise in popularity of other double-cab pickups and their relatively high price.
When you combine the space of a Suburban with the power and utility of a truck, the third and final reason why the Avalanche is Chevy’s best-used truck is its versatility. The versatility of this pickup truck is unmatched in the rest of Chevy’s used vehicle range.
Overall Reliability Rating: Is the Chevrolet Avalanche Reliable? Overall, the Chevrolet Avalanche’s reliability is 63.45, making it very reliable. The chart below shows exactly how it compares to some other cars, but the average overall rating is 57 for comparison.
What to expect with the new Avalanche. The Chevy Avalanche 2023 is designed to bring muscle to the table. Rumors suggest there could be a larger 5.3-liter V8 engine with 360 hp and 390 lb-ft of torque. A full size truck would most likely handle that much power.
Is a Chevrolet Avalanche good in the snow? Weighing 7,200 lbs. Thanks to its size, the Avalanche keeps you stable in snow and mud. This massive weight keeps it in the snow and ensures it doesn’t end up on its side.
The problems encountered with the Chevy Avalanche include things like problems with interior accessories, transmission failure and excessive oil consumption. We’ll talk more about those Chevy Avalanche years to avoid later, so you can get a better idea of which model is best for you.
Of course, the Avalanche is far from the only midgate pickup from the past. In fact, other automotive brands have incorporated a similar setup into both concept and production models.
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