GMC Division of General Motors puts out powerful
pickups in four sizes for 2004 and sport-utility
vehicles in two formats plus stretched and deluxe
trucks line up behind the full-size Sierra, a light-duty (half-ton) pickup and
perennial bestseller in a line encompassing the deluxe and powerful Sierra Denali
with Quadrasteer four-wheel-steering (4WS) that literally runs circles around
other large trucks. Huge work trucks clustered beneath the Sierra HD (heavy-duty)
badge develop top-of-class gross vehicle weight ratings (GVWR).
compact pickup, Sonoma, this year comes strictly in four-door Crew Cab trim as
the series makes way for a new midsize model called Canyon. It shows three cab
styles and multiple trim choices with optional side curtain-style air bags plus
strong muscle from two new engines including the first in-line-five for GMC.
platform functions as the foundation for extensive
Yukon series with full-size Yukon and stretched
Yukon XL plus companions Yukon Denali and Yukon
XL Denali laced with trappings of luxury. Yukon
XL 2500 (three-quarter-ton) offers Quadrasteer
4WS as an option to dramatically reduce the SUV's
the midsize SUV, has regular-length and stretched
editions propelled by a straight-six powertrain
or hunky V8. It also spins off the new Envoy XUV
- first SUV with a power sliding roof and convertible
all-weather rear cargo compartment.
The new truck from GMC fits in size between a full-size Sierra and compact Sonoma.
Titled Canyon, the midsize model rolls out in three cab versions (two-door Regular
Cab and four-door Extended Cab plus four-door Crew Cab) with rear two-wheel-drive
(2WD) and four-wheel-drive (4WD) traction.
Regular Cab has a bench covered in cloth and divided 60/40, but bucket seats are
optional. Canyon Extended Cab carries four doors and a pair of forward-facing
rear seats, as the Crew Cab also with four doors installs a rear bench with enough
room to accommodate three adults. Front seats in the Canyon Crew Cab consist of
twin buckets clad in cloth or optional leather.
new engines of in-line design where developed to motivate Canyon. The base Vortec
2800 2.8-liter four-cylinder engine delivers 175 hp, while the optional Vortec
3500 3.5-liter in-line five-cylinder plant climbs to 220 hp. The five-speed manual
stick is new, with a four-speed Hydra-Matic 4L60-E automatic also available.
rack and pinion steering gear and anti-lock brake system (ABS) score among stock
items on Canyon, and options extend to side curtain-style air bags, XM satellite
radio service and OnStar telecommunications.
GMC trucks pare in trims strictly to one configuration -- the Crew Cab with four
full-size doors and 4WD traction applied. Powertrain is the Vortec 4300 V6 that
puts out 190 hp with a four-speed Hydra-Matic 4L60-E automatic transmission.
The Insta-Trac 4WD system permits shift-on-the-fly switching from rear-wheel to
four-wheel mode and has a 4WD low gear for off-road work. Sonoma Crew Cab supports
a long list of standard features, including air conditioning, power windows and
door locks, ABS and a bedliner.
light-duty Sierra trucks in half-ton 1500 models include Wideside and Sportside
body styles, rear 2WD and 4WD modes, and cabs of regular and extended lengths.
for 2004 there's more - a new 1500 Crew Cab with
four full-size doors and two row of seats for
up to six passengers. The Crew Cab comes in SLE
or SLT trim and 2WD or 4WD and an abbreviated
cargo box measuring 68 inches long. The Crew Cab
Sierra draws from a Vortec 5.3-liter V8 producing
295 hp to bring down GVWR numbers of 6800 (2WD)
and 7000 (4WD) pounds plus maximum trailer towing
capacity of 8500 pounds.
Sierra Denali with an all-wheel-drive (AWD) system
stocks Delphi Automotive's Quadrasteer, which
controls the direction of rear wheels so all four
wheels work together more efficiently than when
only the front ones turn. Vortec V8 engines in
the series range from a base 4.3-liter plant at
200 hp and 4.8-liter at 285 hp to the 5.3-liter
with 295 hp and a 6.0-liter V8 worth 300 hp -
but in Sierra Denali it's pushed out to 325 hp.
(heavy-duty) label for Sierra signifies big trucks stretched to king-size dimensions.
The series shows cabs of regular and extended lengths along with the four-door
Crew Cab stocking car-like comforts.
engines power these trucks to the top of the heavy-duty class, from a big-block
8.1-liter Vortec with 340 hp to a Duramax 6.6-liter turbo-diesel that musters
300 hp. Sierra in 2500 series adds a four-door Crew Cab edition in 2WD or 4WD
with GVWR of 8600 pounds, and there's a new 3500 (one-ton) model with single-rear-wheel
(SRW) configuration for 4WD and a long-box bed in back with all three sizes of
GMC's full-size sport-utility vehicle rides on
the Sierra platform and totes Sierra powertrains
that reach from a 285 hp 4.8-liter V8 to a 5.3-liter
edition good for 295 hp. The 4WD Yukon uses an
active transfer case and optional Autoride continuously-variable
new tire-pressure monitoring system puts a graphic icon flashing in the instrument
panel if air pressure drops below a specified level. New options include a power
sunroof and DVD-driven video entertainment system with flip-down LCD screen and
two sets of wireless headphones.
The XL version has the Yukon structure but with
added inches in length and more power. Half-ton
XL stocks Yukon's Vortec 5.3-liter V8 rated at
295 hp, while the three-quarter-ton XL gets a
6.0-liter V8 spiked to 325 hp. Further, the big-block
8.1-liter Vortec V8 at 340 hp is available for
the largest XL and increases tow rating to 12000
4WS is optional for Yukon XL 2500, and new communications and entertainment packages
range from a DVD-based video player to OnStar telecommunications and XM satellite
Yukon Denali/Yukon XL Denali
represents the top of the line for Yukon and Yukon XL in deluxe editions outfitted
with leather seats, a permanently-engaged AWD system and smooth Autoride suspension.
stems from the Vortex 6000 V8, with 325 hp in this installation as mated to an
upgraded heavy-duty four-speed Hydra-Matic 4L65-E automatic transmission. In the
cabin, three rows of seats in tone-on-tone leather make room for up to seven riders
plus cargo space.
Denali in 2004 adds a standard tire-pressure monitoring system and options like
a sunroof and DVD entertainment system. The color chart lists new shades such
as Silver Birch Metallic and Sport Red.
Envoy returns for 2004 with dual designs, a regular-length
version with two rows of seats for five-rider
capacity and the Envoy XL, as in Extra Large.
It runs 16 inches longer and three inches taller
than the standard Envoy with enough extra room
in the cabin to apply a third row of seats for
two and boost the passenger count to seven. The
third row consists of two independent seats set
Each seatback folds down and the entire seat tumbles forward to increase cargo
capacity in the rear bay, or the seats may be removed, either separately or together.
Access to the third row comes through rear side doors by sliding one of the second-row
seats forward, then folding the seatback down and tipping the seat on its front
Envoy and Envoy XL draw from a standard 4.2-liter
in-line-six engine with dual cams and output of
275 hp. Envoy XL also offers a Vortec 5.3-liter
V8 good for 290 hp. With the V8 option, XL can
tow a trailer weighing up to 7200 pounds in 2WD
and 7000 pounds for the 4WD model.
adjustable pedals are new to Envoy's option list, along with DVD entertainment
variation to the midsize Envoy SUV is the Envoy
XUV. It's the first SUV with a power sliding roof.
Touch a button and the trailing edge of the roof
slides away to form an open-air cargo bay. Use
that space to transport large and tall goods like
a refrigerator, bicycles, even landscaping trees.
middle gate positioned behind the passenger area includes a power glass window
at the top and a composite lower panel. It closes to seal the back bay from the
cabin, while the rear section can be hosed out for cleaning. At the tail there's
another gate with power window that drops down or the door swings aside.
for the XUV compare to Envoy XL with the straight-six or optional V8.
INFORMATION FROM GMC]