2007 GMC SIERRA Owner's Manual

C-1500 Extended Cab
Short Box (2WD)*Axle Ratio Maximum Trailer Weight GCWR
4.3L V63.23
3.734,400 lbs (1 196 kg)
4,900 lbs (2 223 kg)9,500 lbs (4 309 kg)
10,000 lbs (4 536 kg)
4.8L V83.23
3.734,800 lbs (2 177 kg)
6,800 lbs (3 084 kg)10,000 lbs (4 536 kg)
12,000 lbs (5 448 kg)
5.3L V83.42
3.736,800 lbs (3 084 kg)
7,800 lbs (3 538 kg)12,000 lbs (5 448 kg)
13,000 lbs (5 902 kg)
6.0L V8 3.73 8,900 lbs (4 037 kg) 14,000 lbs (6 350 kg)
6.0L V8** 3.73 8,700 lbs (3 946 kg) 14,000 lbs (6 350 kg)
*This model is neither designed nor intended to tow fth-wheel or gooseneck trailers.
**NHT Enhanced Trailering Performance Package required.
C-1500 Crew Cab Short
Box (2WD)*Axle Ratio Maximum Trailer Weight GCWR
4.8L V83.23
3.734,600 lbs (2 086 kg)
6,600 lbs (2 994 kg)10,000 lbs (4 536 kg)
12,000 lbs (5 443 kg)
5.3L V83.42
3.736,600 lbs (2 994 kg)
7,600 lbs (3 447 kg)12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
6.0L V8 3.73 10,200 lbs (4 627 kg) 15,500 lbs (7 031 kg)
*This model is neither designed nor intended to tow fth-wheel or gooseneck trailers.
449

C-1500 Regular Cab
Long Box (2WD)*Axle Ratio Maximum Trailer Weight GCWR
4.3L V63.23
3.734,700 lbs (2 132 kg)
5,200 lbs (2 359 kg)9,500 lbs (4 309 kg)
10,000 lbs (4 536 kg)
4.8L V83.23
3.735,000 lbs (2 268 kg)
7,000 lbs (3 175 kg)10,000 lbs (4 536 kg)
12,000 lbs (5 448 kg)
5.3L V83.42
3.737,000 lbs (3 175 kg)
8,000 lbs (3 629 kg)12,000 lbs (5 443 kg)
13,000 lbs (5 896 kg)
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg)
maximum.
C-1500 Extended Cab
Long Box (2WD)*Axle Ratio Maximum Trailer Weight GCWR
5.3L V83.42
3.736,500 lbs (2 948 kg)
7,500 lbs (3 402 kg)12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg)
maximum.
*Fifth-wheel or gooseneck trailer rating limited to 7,600 lbs (3 447 kg).
K-1500 Regular Cab
Standard Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
4.3L V6 3.73 5,100 lbs (2 313 kg) 10,000 lbs (4 536 kg)
4.8L V83.42
4.105,900 lbs (2 676 kg)
7,900 lbs (3 583 kg)11,000 lbs (4 989 kg)
13,000 lbs (5 902 kg)
450

K-1500 Regular Cab
Standard Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
5.3L V83.73
4.107,900 lbs (3 583 kg)
8,900 lbs (4 037 kg)13,000 lbs (5 896 kg)
14,000 lbs (6 350 kg)
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg)
maximum.
*Fifth-wheel or gooseneck trailer rating limited to 7,300 lbs (3 311 kg).
K-1500 Extended Cab
Standard Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
4.8L V83.42
4.105,500 lbs (2 495 kg)
7,500 lbs (3 402 kg)11,000 lbs (4 989 kg)
13,000 lbs (5 897 kg)
5.3L V83.73
4.107,500 lbs (3 402 kg)
8,500 lbs (3 855 kg)13,000 lbs (5 897 kg)
14,000 lbs (6 350 kg)
6.0L V8 3.73 8,500 lbs (3 855 kg) 14,000 lbs (6 350 kg)
6.0L V8** 4.10 10,500 lbs (4 763 kg) 16,000 lbs (6 257 kg)
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg)
maximum.
*Fifth-wheel or gooseneck trailer rating limited to 6,900 lbs (3 130 kg) except with 6000 V8 engine which has
sufficient payload for any fth wheel/gooseneck trailering.
**NHT Enhanced Trailering Performance Package required.
451

K-1500 Extended Cab
Short Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
4.8L V83.42
4.105,500 lbs (2 495 kg)
7,500 lbs (3 402 kg)11,000 lbs (4 989 kg)
13,000 lbs (5 897 kg)
5.3L V83.73
4.107,500 lbs (3 402 kg)
8,500 lbs (3 855 kg)13,000 lbs (5 897 kg)
14,000 lbs (6 350 kg)
6.0L V8 3.73 8,600 lbs (3 9015 kg) 14,000 lbs (6 350 kg)
*This model is neither designed nor intended to tow fth-wheel or gooseneck trailers.
K-1500 Crew Cab Short
Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
4.8L V83.42
4.105,400 lbs (2 449 kg)
7,400 lbs (3 356 kg)11,000 lbs (4 989 kg)
13,000 lbs (5 897 kg)
5.3L V83.73
4.107,500 lbs (3 402 kg)
8,500 lbs (3 855 kg)13,000 lbs (5 897 kg)
14,000 lbs (6 350 kg)
6.0L V8 3.73 8,500 lbs (3 855 kg) 14,000 lbs (6 350 kg)
6.0L V8** 4.10 10,500 lbs (4 763 kg) 16,000 lbs (6 257 kg)
6.2L V8 3.42 8,500 lbs (3 855 kg) 14,000 lbs (6 350 kg)
*This model is neither designed nor intended to tow fth-wheel or gooseneck trailers.
**NHT Enhanced Trailering Performance Package required.
K-1500 Regular Cab
Long Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
4.3L V6 3.73 4,800 lbs (2 177 kg) 10,000 lbs (4 536 kg)
4.8L V83.42
4.105,900 lbs (2 676 kg)
7,900 lbs (3 583 kg)11,000 lbs (4 989 kg)
13,000 lbs (5 896 kg)
452

K-1500 Regular Cab
Long Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
5.3L V83.73
4.107,900 lbs (3 583 kg)
8,900 lbs (4 037 kg)13,000 lbs (5 896 kg)
14,000 lbs (6 350 kg)
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg)
maximum.
*Fifth-wheel or gooseneck trailer rating limited to 8,300 lbs (3 765 kg).
K-1500 Extended Cab
Long Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
5.3L V83.73
4.107,300 lbs (3 311 kg)
8,300 lbs (3 765 kg)13,000 lbs (5 896 kg)
14,000 lbs (6 350 kg)
*This vehicle has insufficient payload for fth-wheel or gooseneck trailering.
C-2500 Extended
Cab Standard Box
HD (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,700 lbs (5 761 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin tongue weight should be 15 percent to 25 percent of trailer weight up to
3,000 lbs (1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
453

C-2500 Crew
Cab Standard Box
HD (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,500 lbs (5 670 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
C-2500 Regular Cab
Long Box HD (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,900 lbs (5 851 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin tongue weight should be 15 percent to 25 percent of trailer weight up to
3,000 lbs (1 361 kg) maximum.
*Trailer ratings above 13,000 lbs (5 897 kg) require a fth-wheel or gooseneck hitch.
C-2500 Extended Cab
Long Box HD (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,500 lbs (5 670 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
454

C-2500 Crew Cab Long
Box HD (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,400 lbs (5 624 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
K-2500 Extended
Cab Standard Box
HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,400 lbs (5 624 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
K-2500 Crew
Cab Standard Box
HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,300 lbs (5 579 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
455

K-2500 Regular Cab
Long Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,700 lbs (5 761 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
K-2500 Extended Cab
Long Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,200 lbs (5 534 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
K-2500 Crew Cab Long
Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,100 lbs (5 488 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
C-3500 Regular
Cab (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6.0L V8 3.73 12,600 lbs (5 715 kg) 18,500 lbs (8 391 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,500 lbs
(1 587 kg) maximum.
*Trailer rating limited to 13,000 lbs (5 897 kg) with weight distributing hitch.
456