2007 GMC SIERRA CLASSIC 4WD

K-1500 Regular Cab
Standard Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
5300 V83.42
3.73
4.108,100 lbs (3 674 kg)
8,100 lbs (3 674 kg)
9,100 lbs (4 128 kg)13,000 lbs (5 902 kg)
13,000 lbs (5 902 kg)
14,000 lbs (6 356 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
4800 V83.42
3.73
4.106,700 lbs (3 039 kg)
6,700 lbs (3 039 kg)
7,700 lbs (3 493 kg)12,000 lbs (5 443 kg)
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
5300 V83.42
3.73
4.107,700 lbs (3 493 kg)
7,700 lbs (3 493 kg)
8,700 lbs (3 946 kg)13,000 lbs (5 897 kg)
13,000 lbs (5 897 kg)
14,000 lbs (6 350 kg)
6000 V8 4.10 10,000 lbs (4 536 kg) 15,500 lbs (7 031 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.
K-1500 HD Crew Cab
Standard Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V83.73
4.107,900 lbs (3 583 kg)
9,900 lbs (4 491 kg)14,000 lbs (6 350 kg)
16,000 lbs (7 257 kg)
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 2,500 lbs (1 133 kg)
maximum.
435

K-1500 Extended Cab
Short Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
5300 V83.42/3.73
4.107,700 lbs (3 493 kg)
8,700 lbs (3 946 kg)13,000 lbs (5 902 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
5300 V83.42
3.73
4.107,400 lbs (3 357 kg)
7,400 lbs (3 357 kg)
8,400 lbs (3 810 kg)13,000 lbs (5 897 kg)
13,000 lbs (5 897 kg)
14,000 lbs (6 350 kg)
6000 V8 4.10 9,900 lbs (4 491 kg) 15,500 lbs (7 031 kg)
*This model is neither designed nor intended to tow fth-wheel or gooseneck trailers.
K-1500 Regular Cab
Long Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
4300 V6 (Auto) 3.73 5,000 lbs (2 268 kg) 10,000 lbs (4 536 kg)
4300 V6 (Manual) 3.73 4,000 lbs (1 814 kg) 9,000 lbs (4 082 kg)
4800 V83.42
3.73
4.106,900 lbs (3 130 kg)
6,900 lbs (3 130 kg)
7,900 lbs (3 583 kg)12,000 lbs (5 443 kg)
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
5300 V83.42
3.73
4.107,900 lbs (3 583 kg)
7,900 lbs (3 583 kg)
8,900 lbs (4 037 kg)13,000 lbs (5 897 kg)
13,000 lbs (5 897 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).
436

K-1500 Extended Cab
Long Box (4WD)*Axle Ratio Maximum Trailer Weight GCWR
4800 V83.42
3.73
4.106,500 lbs (2 948 kg)
6,500 lbs (2 948 kg)
7,500 lbs (3 402 kg)12,000 lbs (5 443 kg)
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
5300 V83.42
3.73
4.107,500 lbs (3 402 kg)
7,500 lbs (3 402 kg)
8,500 lbs (3 856 kg)13,000 lbs (5 897 kg)
13,000 lbs (5 897 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
6000 V8 4.10 10,300 lbs (4 672 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,900 lbs (6 305 kg)
15,900 lbs (7 212 kg)20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel 3.73 15,700 lbs (7 121 kg) 22,000 lbs (9 979 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 12,000 lbs (5 443 kg) with weight distributing hitch.
C-2500 Crew Cab
Standard Box HD (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 4.10 10,100 lbs (4 581 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,600 lbs (6 169 kg)
15,600 lbs. (7 076 kg)20,000 lbs (9 072 kg)
22,000 lbs. (9 979 kg)
437

C-2500 Crew Cab Long
Box HD (2WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 3.73 10,000 lbs (4 536 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,500 lbs (6 123 kg)
15,500 lbs (7 031 kg)20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel 3.73 15,100 lbs (6 849 kg) 22,000 lbs (9 979 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 12,000 lbs (5 443 kg) with weight distributing hitch.
K-2500 Extended Cab
Standard Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 4.10 10,000 lbs (4 536 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,600 lbs (6 169 kg)
15,600 lbs (7 076 kg)20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel 3.73 15,400 lbs (6 985 kg) 22,000 lbs (9 979 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 12,000 lbs (5 443 kg) with weight distributing hitch.
K-2500 Crew Cab
Standard Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 4.10 9,800 lbs (4 445 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,300 lbs (6 033 kg)
15,300 lbs (6 940 kg)20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
439

K-2500 Crew Cab
Standard Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6.6L V8 Diesel 3.73 14,200 lbs (6 441 kg) 22,000 lbs (9 979 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 12,000 lbs (5 443 kg) with weight distributing hitch.
K-2500 Regular Cab
Long Box HD (4WD)*Axle Ratio
Maximum Trailer Weight GCWR
6000 V8 4.10 10,300 lbs (4 672 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,800 lbs (6 260 kg)
15,800 lbs (7 167 kg)20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel 3.73 15,600 lbs (7 076 kg) 22,000 lbs (9 979 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 12,000 lbs (5 443 kg) with weight distributing hitch.
K-2500 Extended Cab
Long Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 4.10 9,900 lbs (4 490 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,400 lbs (6 078 kg)
15,400 lbs (6 985 kg)20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel 3.73 14,800 lbs (6 713 kg) 22,000 lbs (9 979 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 12,000 lbs (5 443 kg) with weight distributing hitch.
440

K-2500 Crew Cab Long
Box HD (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 4.10 9,700 lbs (4 400 kg) 16,000 lbs (7 257 kg)
8100 V83.73
4.1013,200 lbs (5 987 kg)
14,600 lbs (6 622 kg)20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel 3.73 13,200 lbs (5 987 kg) 22,000 lbs (9 979 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 12,000 lbs (5 443 kg) with weight distributing hitch.
C-3500 Regular Cab
(2WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 4.10 10,300 lbs (4 672 kg) 16,000 lbs (7 257 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 12,000 lbs (5 443 kg) with weight distributing hitch.
C-3500 Extended Cab
(2WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 4.10 9,800 lbs (4 445 kg) 16,000 lbs (7 257 kg)
6000 V8 (Dual Rear
Wheels)4.10 9,700 lbs (4 400 kg) 16,000 lbs (7 257 kg)
8100 V8 4.10 15,500 lbs (7 031 kg) 22,000 lbs (9 979 kg)
8100 V8 (Dual Rear
Wheels)4.10 15,300 lbs (6 940 kg) 22,000 lbs (9 979 kg)
6.6L V8 Diesel (Manual) 3.73 15,300 lbs (6 940 kg) 22,000 lbs (9 979 kg
441

K-3500 Regular Cab (4WD)* Axle Ratio Maximum Trailer Weight GCWR
6000 V8 Single Rear Wheel 4.10 10,000 lbs (4 536 kg) 16,000 lbs (7 257 kg)
6000 V8 Dual Rear Wheel 4.10 9,800 lbs (4 445 kg) 16,000 lbs (7 257 kg)
8100 V8 Single Rear Wheel 4.10 15,600 lbs (7 076 kg) 22,000 lbs (9 979 kg)
8100 V8 Dual Rear Wheel 4.10 15,400 lbs (6 985 kg) 22,000 lbs (9 979 kg)
6.6L V8 Single Rear Wheel 3.73 15,400 lbs (6 985 kg) 22,000 lbs (9 979 kg)
6.6L V8 Dual Rear Wheel
(Manual)3.73 15,200 lbs (6 895 kg) 22,000 lbs (9 979 kg)
6.6L V8 Dual Rear Wheel
(Automatic)3.73 16,700 lbs (7 575 kg) 23,500 lbs (10 659 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 12,000 lbs (5 443 kg) with weight distributing hitch.
K-3500 Extended Cab (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6000 V8 Single Rear Wheel 4.10 9,600 lbs (4 354 kg) 16,000 lbs (7 257 kg)
6000 V8 Dual Rear Wheel 4.10 9,400 lbs (4 264 kg) 16,000 lbs (7 257 kg)
8100 V8 Single Rear Wheel 4.10 15,200 lbs (6 895 kg) 22,000 lbs (9 979 kg)
8100 V8 Dual Rear Wheel 4.10 15,000 lbs (6 804 kg) 22,000 lbs (9 979 kg)
6.6L V8 Single Rear Wheel 3.73 15,000 lbs (6 804 kg) 22,000 lbs (9 979 kg)
443

K-3500 Extended Cab (4WD)*Axle Ratio Maximum Trailer Weight GCWR
6.6L V8 Dual Rear Wheel
(Manual)3.73 14,800 lbs (6 713 kg) 22,000 lbs (9 979 kg)
6.6L V8 Dual Rear Wheel
(Automatic)3.73 16,300 lbs (7 394 kg) 23,500 lbs (10 659 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 12,000 lbs (5 443 kg) with weight distributing hitch.
K-3500 Crew Cab (4WD)* Axle Ratio Maximum Trailer Weight GCWR
6000 V8 Single Rear Wheel 4.10 9,400 lbs (4 264 kg) 16,000 lbs (7 264 kg)
6000 V8 Dual Rear Wheel 4.10 9,200 lbs (4 173 kg) 16,000 lbs (7 264 kg)
8100 V8 Single Rear Wheel 4.10 15,000 lbs (6 804 kg) 22,000 lbs (9 979 kg)
8100 V8 Dual Rear Wheel 4.10 14,800 lbs (6 713 kg) 22,000 lbs (9 979 kg)
6.6L V8 Diesel Single Rear
Wheel3.73 14,700 lbs (6 668 kg) 22,000 lbs (9 979 kg)
6.6L V8 Diesel Dual Rear
Wheel (Manual)3.73 14,500 lbs (6 557 kg) 22,000 lbs (9 979 kg)
6.6L V8 Diesel Dual Rear
Wheel (Automatic)3.73 16,000 lbs (7 257 kg) 23,500 lbs (10 659 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 12,000 lbs (5 443 kg) with weight distributing hitch.
444