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Denali Package, Low Miles, Great Condition, Quadrasteer on 2040-cars

Year:2002 Mileage:104900
Location:

Jacksonville, Florida, United States

Jacksonville, Florida, United States
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If you demand total steering compliance from a tow vehicle, along with stability and maneuverability from what's being towed, the GMC Sierra Denali with Quadrasteer is just the ticket. Developed jointly by GM and Delphi Automotive Systems, Quadrasteer (a rear-wheel-steering system for trucks) is a standard feature on the '02 Sierra Denali pickup and soon to be on other full-size GM products. By using various sensors around the vehicle, a microprocessor computes the correct rear-wheel position and actuates an electric motor to turn it accordingly.  Below 45 mph, the rear wheels can steer up to 12 (left or right). At these speeds, the rear wheels turn in the direction opposite the fronts. Above 40 mph, the rear wheels turn in the same direction as the fronts to significantly limit the pivoting a trailer feels at the hitch. Forty-five mph is a neutral zone, where the rear wheels maintain a fairly straight-ahead position even when the front wheels are turned. When in the 4WS Tow Mode (recommended for towing), the speed of the neutral zone is reduced by the microprocessor to 25 mph. Visually, rear-wheel turn appears modest, but the amount they do turn yields dramatic performance dividends. The Sierra Denali, with its Vortec 6000 V-8 and strong all-wheel-drive system, is capable of towing up to 10,000 lb. Hitching the Sierra Denali to a Holiday Rambler Alumascape travel trailer, we set out to test the setup. With the Alumascape having a dry weight of just under 5000 lb and a hitch weight of about 500 lb, we augmented our tow setup with a load distribution hitch and a sway-control device. We also added an electronic brake controller that actuates the trailer's electric brakes when the brake pedal is applied. Fully prepared, we headed up California Highway 74, which begins at sea level and climbs and winds a few thousand feet up before plunging down the backside of some rough desert mountains to Lake Elsinore below. 
The trailer tracked well, exhibiting minimum trailer sway, and, with the exception of being visible in the side mirrors, for all intents and purposes its presence was transparent to us. Powering through mountain esses and tight hairpin turns, this twosome exhibited good synergy. Returning via the Interstate, we found that transitioning from one lane to another at freeway speeds was noticeably quicker and smoother, yielding less trailer sway than when we duplicated these same maneuvers using the 2WS Mode. Standard features of the Sierra Denali include a Vortec 6000 that develops 325 hp and 370 lb-ft of torque. Standard is a full-time all-wheel-drive system that employs a viscous coupling center differential in the transfer case that senses slippage front and rear and provides torque as needed, where it's needed. All by itself, this improves towing performance, especially under slick-surface conditions. The heavy-duty Dana 60 rear axle features a 4.10:1 ratio and a 9.8-in. ring gear (standard for the 1/2-ton Sierra is an 8.6-in. gear). The transmission is GM's newly revised and strengthened four-speed automatic

Read more: http://www.motortrend.com/roadtests/trucks/163_0208_2002_gmc_sierra_denali/viewall.html#ixzz2itKz4Ih2

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Auto blog

Best cars for snow and ice in 2023 and 2024

Tue, Jan 23 2024

What's the best car for snow? The real answer is "the one with winter tires." What do we mean by that? You could have the finest, most advanced all-wheel-drive system or four-wheel drive in the world, but if you're running all-seasons (the spork of tires), your fancy four-wheeler won't matter much. The odds are, any vehicle on the road running good winter tires will probably perform adequately in slippery, slushy and/or snowy road conditions. (Here's a more complete explanation of why winter tires are totally worth it). In other words, you don't really need any of the cars on this list. With a set of winter tires, countless others will do the job, and even these will be at their best with proper rubber. You can find a variety of winter tires for your car here at Tire Rack. Keep in mind that you will need a full set of four snow tires for safety and performance, no matter what you're driving. The days of your dad putting just two snows on the family truckster to get it moving in a straight line are long gone. Don't get us wrong, getting a car that performs well in snow and ice is still a worthy criteria for car buyers. According to the U.S. Transportation Department, 70% of Americans live in places that get snow and ice. And much of the country has been blasted with arctic air for much of the new year. So let's look at the cars. First, we're highlighting choices for a variety of buyers and price points. Second, we're not just considering snow; we're considering general wintery conditions people will experience driving to work or school. As such, these are all choices with advanced all-wheel-drive systems, usually with "torque-vectoring" systems that not only automatically shunt power front and back, but side to side between the rear axles. Most have extra ground clearance for getting through deep snow, and we prefer those vehicles with more responsive steering, throttles and transmissions that provide a greater sense of vehicle control in slippery conditions.    Acura RDX Read our Acura RDX Review Acura's Super-Handling All-Wheel Drive system was one of the first to offer torque-vectoring, and besides often being touted for its ability to greatly enhanced dry-road handling, its benefits in the slick stuff can be profound. It's actually surprising that Acura hasn't leaned into this capability further by offering more rugged versions of its vehicles.

Chauffeur attacks motorist in road rage incident

Thu, Apr 7 2016

A California man was the victim of an intense and violent road rage attack on the 405 freeway on Tuesday, but when the police were called they told the driver to shake it off. Shahnam Asbaghi told KTLA that the altercation began when a GMC Yukon private car began tailgating him. "This limousine Yukon driver was just tailgating me the whole time since when I got onto the 405 North," Asbaghi told reporters. "It was so bad I actually got scared and nervous so I exited early." When Asbaghi exited the freeway, the Yukon followed and rear ended him at the bottom of the ramp. "He just rammed me with his car at probably 25, 30 miles per hour," said Asbaghi. "When he hit me he got out of his car, came around to the driver's side and punched my window four or five times. Then he ran back to his car, got in his car, and drove away." Startled, Asbaghi followed his assailant in an attempt to get the Yukon's license plate number. After a quick chase, the Yukon stopped near Sepulveda Boulevard and Sherman Way where the driver got out of the truck, retrieved a long, unidentified item from the rear cargo area, and attacked Asbaghi's car again. Video shot by Asbaghi shows the chauffeur striking the driver's side window with the object, tossing it back in the Yukon, then leaving the scene. Asbaghi called 911, but the police weren't impressed. "Because my head wasn't smashed, because the window wasn't smashed, no harm no foul is what they told me," Asbaghi told KTLA. The cops did make the drivers exchange information, but no arrests were made. The Los Angeles Police Department is now looking into the incident to make sure they handled the situation correctly. The day after the attack, L.A. Private Car announced via Twitter that they fired the angry Chauffeur after reviewing the footage. News Source: KTLA Government/Legal Weird Car News GMC Driving Safety Crossover SUV Commercial Vehicles road rage 405 freeway chauffeur

GM delaying additional Silverado EV and Sierra EV production to Q4 2025

Tue, Oct 17 2023

This looks like more "Gotcha!" news about storms in the EV sector, but the word "additional" is key here. The Detroit News reported today that GM is pushing delaying production of the Chevrolet Silverado EV and GMC Sierra EV pickups at the Orion Assembly Plant to late 2025, about a year behind expectations. The Silverado EV Work Truck is already in production at GM's Factory Zero in Detroit, which won't change. Retail versions of the Silverado EV are still planned for production at Factory Zero before the end of this year, and the Sierra EV is expected to enter production at Factory Zero early next year. This new plan simply means GM won't add more production of those electric trucks at Orion.  GM builds the Chevrolet Bolt at Orion right now, assembly of that groundbreaking car to end this year. GM's original idea was to spend $4 billion to convert Orion to EV pickup production in time to get its two giant profit makers rolling down lines in early 2025. The move to late 2025 could mean the plant is out of commission for about two years. The facility's 1,261 employees are being offered spots in other plants, including Factory Zero.  The automaker gave several reasons for the move, a spokesperson telling The Detroit News the company wants "to better manage capital investment while aligning with evolving EV demand," and telling the Detroit Free Press, "We're looking at EV demand and the trendline for EVs is stabilizing. ... It is not rising as fast as originally forecasted." On top of that, engineers "have identified engineering improvements that we will implement to increase the profitability of our products." The spokesperson also made it clear that the delay has nothing to do with the UAW strike, now in its 32nd day.  Factory Zero's working up to a near-term production capacity of about 600,000 units annually, GM saying it wanted to get capacity to 1 million EVs annually by the end of 2025. At the moment, the site builds the Silverado EV Work Truck, the GMC Hummer EV pickup and SUV, and the Cruise Origin shuttles — not the Bolt taxis, the autonomous pods. The Detroit News reported GM sold 18 Silverado EV Work Trucks in Q3 this year, GM Authority says GMC Hummer EV production has ramped up to about 3,000 units per month, and Cruise Origin is still waiting on approval from the National Highway Safety Traffic Administration to mass-produce the autonomous shuttles because the shuttles need an exemption for not having steering wheels.