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V ORTEC 5.3 L V-8 WITH AFM
320 HP/335 Lb-FT OF TORQUE
YUkON
UNSURPASSED CONVENTIONAL
ENGINE V-8 FUEL ECONOMY
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15
CITY
21
HWY.
EPA-EST. MPG
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E85
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ALTERNATIVE - FUEL
CAPABILITY: REDUCES
TAILPIPE CARBON
EMISSIONS WITHOUT
COMPROMISING
HP / TORQUE
HORSEPOWER
TORQUE
ECONOMY
EMISSIONS
0 4 _ P OWER
a c t i v e f u e l m a n a g e m e n t / a f m : V O RT EC 5.3L V- 8 / V ORT EC 6. 2L V- 8
All class claims based on 2009 GM Large Utility segment and latest competitive information available at time of printing. Excludes other GM vehicles.
Yukon EPA-estimated mpg with optional 5.3L V-8 15 city / 21 hwy. Excludes other GM vehicles.
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XL 2WD 11 city /15 hwy., and Yukon XL 4WD 11 city /14 hwy.
passengers and cargo will reduce the maximum trailer weight your vehicle can tow. See your GMC dealer for additional details.
THE ENGINEERING bEHIND THE ENGINE
VORTEC CYLINDER HEADS : SWIRL TUMbLE THE INTAkE CHARGE, WHICH IMPROVES THE AIR / FUEL
ELECTRONIC THROTTLE CONTROL : FOR RELIAbILITY AND MORE PRECISE THROTTLE RESPONSE
ONSTAR VEHICLE DIAGNOSTICS : CHECkS ON kEY OPERATING SYSTEMS, INCLUDING THE VORTEC ENGINE
ACTIVE FUEL MANAGEMENT/ACTIVE NOISE CANCELLATION
The Vortec V-8s in every Yukon half-ton model feature Active Fuel
Management (AFM). All eight cylinders operate during starting, idling
and torque-intensive tasks like accelerating, hauling heavy loads or towing.
But in everyday driving, once Yukon has reached cruising speed, AFM can
temporarily deactivate four of the eight cylinders, closing both intake and
exhaust valves and cutting fuel delivery for half of the cylinders. And for
2010, driver-selectable Fuel-Saver mode allows you to stay in 4-cylinder
mode longer. When you demand brisk acceleration or full torque to move a
load, the AFM activates all cylinders so full V-8 power is always right there,
on tap. In the case of the Vortec 6.2L V-8 standard in Yukon Denali, that
means 403 horsepower and best-in-class 417 lb-ft of torque. In keeping
with Denali luxury, the 6.2L incorporates Active Noise Cancellation.
E85 is 85 percent ethanol and 15 percent gasoline. Visit gm.com /e85 to see if there is an E85 station near you. EPA-estimated mpg for Yukon with 5.3L V-8 and Yukon
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When properly equipped, maximum trailer weight ratings are calculated assuming a base vehicle, except for any options necessary to achieve the rating, plus driver. The weight of other optional equipment,
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UNSURPASSED FUEL ECONOMY
AFM makes a significant contribution
to the unsurpassed conventional-
engine EPA-estimated fuel economy
(15 city/21 hwy. mpg) achieved by
Yukon models with the highly efficient
Vortec 5.3L V-8 engine. Enhancements
include cam-phasing, aluminum wheels
and a 3.08 axle ratio to contribute to
Yukon's economical performance.
Along with the fuel savings and out-
standing performance, you will still
enjoy a 5400-lb trailering capacity.
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