GROSS COMBINATION WEIGHT RATING (GCWR)
GCWRs include the total loaded weight of the tow vehicle and the trailer combined.
The chart below shows you maximum allowable GCWRs with specific axle ratios.
Trailering Package includes:
• 125-amp alternator
• P225/60R17 All Season tires
• Trailer wiring harness
• Heavy-duty turn signal flasher
• Heavy-duty radiator and
transmission oil cooler
• Automatic load-levelling suspension
with inflator kit on most models
NOTE:
Some of the equipment shown in
Trailering Package may be included in
the specific model selected and/or
additional equipment must be specified.
A trailer hitch is a dealer-installed
accessory and should be selected to
match the trailer’s coupler.
BALL HITCH TRAILERING WITH TRAILBLAZER
BALL HITCH TRAILERING
**Capacities based on up to two occupants and no cargo. The weight of additional passengers,
cargo or equipment must be subtracted from these ratings.
**Available on Extended Wheelbase models.
GCWR kg 4536 4763 4990 5216
(lb.) (10,000) (10,500) (11,000) (11,500)
Vortec 4.2L I-6 3.42 3.73 4.10
Vortec 5.3L V8 3.42 3.73
Vortec 6.0L V8 4.10
With a 291-horsepower Vortec 4.2L engine, these SUVs can really haul. They have just the kind of torque required for
trailering, achieving 90 percent of peak torque from only 1600 up to 5600 rpm. The optional Vortec 5.3L V8, with
fuel-saving Active Fuel Management
TM
, adds an extra measure of performance and the standard StabiliTrak electronic
stability control system adds to your safety and peace of mind when hauling heavier trailers. The TrailBlazer SS
features the Corvette-based aluminum block LS2 V8 for the ultimate in SUV performance.
The Uplander combines excellent fuel efficiency, passenger comfort and road manners with trailer-towing capability.
NOTES:
• The above models, except TrailBlazer SS, include, as standard equipment, an
integrated platform hitch receiver on the rear bumper and a 7-pin wiring
harness connector. The cooling system includes all content required to attain the
maximum trailer ratings. TrailBlazer SS models provide an integrated platform
hitch receiver with 4-wire trailer wiring harness.
• The trailer tongue weight should be 10-15% of the loaded trailer weight, up to a
maximum of 340 kg (750 lb.) on TrailBlazer.
• Weight-carrying hitch limit is a 1814 kg (4000 lb.) trailer with 181 kg (400 lb.)
tongue weight.
• Weight-Distributing Hitch and Sway Control is required over 1814 kg (4000 lb.)
trailer weight.
• 4x4 models of TrailBlazer can be flat-towed in the neutral position – not
applicable to SS models with all-wheel drive.
TRAILBLAZER
UPLANDER
ENGINE/TRANSMISSION 3900 V6/AUTOMATIC
EQUIPMENT Maximum Trailer Weight kg (lb.)
With standard equipment 907 (2000)*
With Trailering Package** 1588 (3500)*
14
ENGINE Vortec 4.2L I-6 (LL8) Vortec 5.3L V8 (LH6) Vortec 6.0L V8 – SS (LS2)
Horsepower 291 @ 6000 302 @ 5200 395 @ 6000
Torque (lb.-ft.) 277 @ 4800 330 @ 4000 400 @ 4000
MODEL Max. Trailer Axle Ratio Max. Trailer Axle Ratio Max. Trailer Axle Ratio
Weight, kg (lb.) Required Weight, kg (lb.) Required Weight, kg (lb.) Required
S15506
2449 (5400) 3.42 2858 (6300) 3.42
TrailBlazer, 2WD
2676 (5900) 3.73 3084 (6800) 3.73
2903 (6400) 4.10 3084 (6800) 4.10
T15506
2359 (5200) 3.42 2767 (6100) 3.42
TrailBlazer, 4x4
2586 (5700) 3.73 2994 (6600) 3.73
2812 (6200) 4.10 2994 (6600) 4.10
