GMC Sierra 3500 for Sale in Colorado

Used 2005 GMC Sierra 3500

SLT

$30,693

91,658 mi

Est. $451/mo*

9 days on market

SilverGray

Phil Long KIA of Colorado Springs

Colorado Springs, CO

Used 2023 GMC Sierra 3500

Pro

$45,963

73,057 mi

Est. $668/mo*

218 days on market

Summit WhiteJet Black

Reds Auto & Truck

Longmont, CO

New 2026 GMC Sierra 3500

Pro

$48,882

MSRP: $53,4958.6% off

2 mi

Est. $710/mo*

127 days on market

WhiteBlack

Loveland Buick GMC

Loveland, CO

New 2026 GMC Sierra 3500

Pro

$53,385

MSRP: $53,6950.6% off

3 mi

Est. $774/mo*

110 days on market

Summit WhiteBlack

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Pro

$53,535

MSRP: $53,8450.6% off

4 mi

Est. $776/mo*

110 days on market

Summit WhiteBlue

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$61,212

MSRP: $69,10311.4% off

10 mi

Est. $886/mo*

155 days on market

Summit WhiteJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$61,212

MSRP: $69,10311.4% off

10 mi

Est. $886/mo*

126 days on market

Summit WhiteJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$61,471

MSRP: $69,39311.4% off

10 mi

Est. $889/mo*

126 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$61,709

MSRP: $64,5104.3% off

10 mi

Est. $893/mo*

33 days on market

WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$61,709

MSRP: $64,5104.3% off

5 mi

Est. $893/mo*

37 days on market

WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$61,709

MSRP: $64,5104.3% off

10 mi

Est. $893/mo*

41 days on market

WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$62,799

MSRP: $74,24315.4% off

8 mi

Est. $908/mo*

242 days on market

Summit WhiteJet Black

Transwest GMC Isuzu

Henderson, CO

New 2026 GMC Sierra 3500

Pro

$64,100

MSRP: $66,9104.2% off

10 mi

Est. $927/mo*

8 days on market

WhiteBlack

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Pro

$64,100

MSRP: $66,9104.2% off

17 mi

Est. $927/mo*

53 days on market

WhiteBlack

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Pro

$64,578

10 mi

Est. $934/mo*

106 days on market

Summit WhiteJet Black

Transwest GMC Isuzu

Henderson, CO

New 2026 GMC Sierra 3500

Pro

$64,839

MSRP: $67,6404.1% off

10 mi

Est. $937/mo*

27 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$64,965

MSRP: $69,7756.9% off

16 mi

Est. $939/mo*

130 days on market

Summit WhiteBlack

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Pro

$65,500

MSRP: $68,3104.1% off

8 mi

Est. $947/mo*

36 days on market

WhiteBlue

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$66,175

MSRP: $68,9854.1% off

3 mi

Est. $956/mo*

77 days on market

WhiteBlack

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$66,175

MSRP: $68,9854.1% off

3 mi

Est. $956/mo*

78 days on market

WhiteBlack

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$66,198

MSRP: $69,0084.1% off

18 mi

Est. $957/mo*

140 days on market

Summit WhiteJet Black

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$66,198

MSRP: $69,0084.1% off

5 mi

Est. $957/mo*

156 days on market

Summit WhiteJet Black

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Pro

$66,440

MSRP: $69,2504.1% off

27 mi

Est. $960/mo*

91 days on market

WhiteBlue

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Pro

$66,440

MSRP: $69,2504.1% off

7 mi

Est. $960/mo*

87 days on market

WhiteBlack

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Pro

$66,960

MSRP: $69,8654.2% off

5 mi

Est. $968/mo*

27 days on market

Summit WhiteJet Black

Transwest GMC Isuzu

Henderson, CO

New 2026 GMC Sierra 3500

Pro

$67,995

MSRP: $68,3100.5% off

7 mi

Est. $982/mo*

32 days on market

WhiteBlack

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Pro

$68,609

MSRP: $71,4103.9% off

10 mi

Est. $991/mo*

27 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$68,609

MSRP: $71,4103.9% off

10 mi

Est. $991/mo*

25 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$68,609

MSRP: $71,4103.9% off

5 mi

Est. $991/mo*

28 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

Used 2025 GMC Sierra 3500

SLT

$68,668

16,880 mi

Est. $992/mo*

16 days on market

SilverBlack

Northwest Auto Sales & Service

Meeker, CO

Used 2026 GMC Sierra 3500

SLE

$69,197

364 mi

Est. $1,000/mo*

2 days on market

Onyx BlackJet Black

Castle Rock Chevrolet GMC

Castle Rock, CO

Used 2026 GMC Sierra 3500

SLE

$69,197

350 mi

Est. $1,000/mo*

2 days on market

Onyx BlackJet Black

Castle Rock Chevrolet GMC

Castle Rock, CO

New 2026 GMC Sierra 3500

Pro

$69,334

MSRP: $70,5951.8% off

5 mi

Est. $1,001/mo*

63 days on market

Summit WhiteJet Black

Shortline Buick-GMC

Aurora, CO

New 2026 GMC Sierra 3500

SLE

$69,457

MSRP: $75,8108.4% off

8 mi

Est. $1,003/mo*

16 days on market

Onyx BlackJet Black

O'Meara GMC

Thornton, CO

New 2026 GMC Sierra 3500

Pro

$69,624

MSRP: $72,4253.9% off

10 mi

Est. $1,006/mo*

23 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$69,624

MSRP: $72,4253.9% off

10 mi

Est. $1,006/mo*

25 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$69,624

MSRP: $72,4253.9% off

10 mi

Est. $1,006/mo*

25 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Pro

$69,624

MSRP: $72,4253.9% off

10 mi

Est. $1,006/mo*

28 days on market

Summit WhiteBlack

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

Chassis Pro

$69,703

5 mi

Est. $1,007/mo*

110 days on market

Summit WhiteJet Black

Transwest GMC Isuzu

Henderson, CO

Used 2025 GMC Sierra 3500

SLT

$69,995

34,156 mi

Est. $1,011/mo*

28 days on market

WheelBlack

The Faricy Boys Automotive

Salida, CO

New 2026 GMC Sierra 3500

Pro

$70,465

15 mi

Est. $1,018/mo*

130 days on market

Summit WhiteBlack

Alpine Buick GMC South

Colorado Springs, CO

Used 2025 GMC Sierra 3500

AT4

$70,742

28,710 mi

Est. $1,022/mo*

126 days on market

Onyx BlackJet Black

ClearShift

Loveland, CO

New 2025 GMC Sierra 3500

$71,310

40 mi

Est. $1,030/mo*

241 days on market

Summit WhiteJet Black

Johnson Auto Plaza

Brighton, CO

New 2025 GMC Sierra 3500

$71,310

10 mi

Est. $1,030/mo*

224 days on market

Summit WhiteJet Black

Johnson Auto Plaza

Brighton, CO

New 2025 GMC Sierra 3500

$71,310

10 mi

Est. $1,030/mo*

211 days on market

Summit WhiteJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

SLE

$72,465

MSRP: $75,8904.5% off

5 mi

Est. $1,046/mo*

18 days on market

Silver

Vince's GM Center

Burlington, CO

Used 2026 GMC Sierra 3500

SLT

$74,593

400 mi

Est. $1,076/mo*

155 days on market

Summit WhiteJet Black

Transwest GMC Isuzu

Henderson, CO

Used 2026 GMC Sierra 3500

AT4

$75,298

12,892 mi

Est. $1,086/mo*

44 days on market

Onyx BlackJet Black

Castle Rock Chevrolet GMC

Castle Rock, CO

New 2026 GMC Sierra 3500

SLT

$75,732

MSRP: $84,0859.9% off

8 mi

Est. $1,093/mo*

26 days on market

WhiteBrown

O'Meara GMC

Thornton, CO

Used 2025 GMC Sierra 3500

Denali

$77,118

18,265 mi

Est. $1,112/mo*

53 days on market

Summit WhiteBrown

Mike Maroone Chevrolet Buick GMC Longmont

Longmont, CO

New 2026 GMC Sierra 3500

SLT

$77,465

MSRP: $80,8904.2% off

0 mi

Est. $1,117/mo*

23 days on market

Gray

Vince's GM Center

Burlington, CO

New 2026 GMC Sierra 3500

Chassis Pro

$78,103

5 mi

Est. $1,126/mo*

126 days on market

Summit WhiteJet Black

Transwest GMC Isuzu

Henderson, CO

Used 2025 GMC Sierra 3500

AT4

$78,499

7,827 mi

Est. $1,132/mo*

5 days on market

Jet Black

Castle Rock Chevrolet GMC

Castle Rock, CO

Used 2025 GMC Sierra 3500

AT4

$79,076

5,445 mi

Est. $1,140/mo*

11 days on market

SilverBlack

Alpine Buick GMC

Littleton, CO

Used 2025 GMC Sierra 3500

Denali

$79,991

16,277 mi

Est. $1,153/mo*

23 days on market

Summit WhiteJet Black

Bozarth Chevrolet

Lone Tree, CO

Used 2026 GMC Sierra 3500

SLE

$80,000

15,058 mi

Est. $1,153/mo*

50 days on market

BlackBlack

Ghent Chevrolet

Greeley, CO

New 2026 GMC Sierra 3500

SLE

$80,445

MSRP: $83,2553.4% off

15 mi

Est. $1,160/mo*

53 days on market

SilverBlack

Alpine Buick GMC South

Colorado Springs, CO

Used 2025 GMC Sierra 3500

AT4

$80,685

13,051 mi

Est. $1,163/mo*

1 day on market

GrayBlack

Fort Collins Dodge Chrysler Jeep RAM

Fort Collins, CO

New 2026 GMC Sierra 3500

SLT

$82,172

MSRP: $90,5259.2% off

8 mi

Est. $1,184/mo*

30 days on market

Onyx BlackJet Black

O'Meara GMC

Thornton, CO

New 2026 GMC Sierra 3500

SLT

$82,537

MSRP: $90,8909.2% off

8 mi

Est. $1,190/mo*

24 days on market

RedJet Black

O'Meara GMC

Thornton, CO

Used 2026 GMC Sierra 3500

Denali

$83,497

4,014 mi

Est. $1,203/mo*

58 days on market

Summit WhiteJet Black

Castle Rock Chevrolet GMC

Castle Rock, CO

Used 2026 GMC Sierra 3500

Denali

$83,799

5,702 mi

Est. $1,208/mo*

43 days on market

MetallicAtmosphere

Castle Rock Chevrolet GMC

Castle Rock, CO

New 2026 GMC Sierra 3500

Denali

$84,502

MSRP: $90,8557% off

8 mi

Est. $1,218/mo*

44 days on market

WhiteJet Black

O'Meara GMC

Thornton, CO

New 2026 GMC Sierra 3500

SLT

$84,725

MSRP: $88,1503.9% off

13 mi

Est. $1,221/mo*

16 days on market

Red

Vince's GM Center

Burlington, CO

New 2026 GMC Sierra 3500

SLT

$85,505

MSRP: $88,3153.2% off

15 mi

Est. $1,232/mo*

24 days on market

SilverBrown

Alpine Buick GMC South

Colorado Springs, CO

Used 2025 GMC Sierra 3500

AT4

$85,594

8,653 mi

Est. $1,233/mo*

50 days on market

WhiteBlack

Truck Ranch Frederick

Frederick, CO

Used 2026 GMC Sierra 3500

Denali Ultimate

$85,736

16,701 mi

Est. $1,235/mo*

21 days on market

GrayBrown

ClearShift

Loveland, CO

New 2026 GMC Sierra 3500

AT4

$85,788

MSRP: $91,7856.5% off

6 mi

Est. $1,236/mo*

41 days on market

SilverBlack

Mike Maroone Chevrolet Buick GMC Longmont

Longmont, CO

New 2026 GMC Sierra 3500

SLT

$87,100

MSRP: $89,9103.1% off

15 mi

Est. $1,255/mo*

28 days on market

WhiteBrown

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

AT4

$87,686

MSRP: $91,8104.5% off

10 mi

Est. $1,263/mo*

15 days on market

Summit WhiteJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

AT4

$87,686

MSRP: $91,8104.5% off

10 mi

Est. $1,263/mo*

20 days on market

Summit WhiteJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

AT4

$88,076

MSRP: $91,8104.1% off

5 mi

Est. $1,269/mo*

8 days on market

WhiteBlack

Mike Maroone Cadillac Buick GMC

Boulder, CO

New 2026 GMC Sierra 3500

AT4

$88,284

MSRP: $92,4554.5% off

10 mi

Est. $1,272/mo*

19 days on market

Volcanic RedJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

AT4

$89,067

MSRP: $93,3004.5% off

10 mi

Est. $1,283/mo*

22 days on market

GrayJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

AT4

$89,067

MSRP: $93,3004.5% off

10 mi

Est. $1,283/mo*

22 days on market

White SandJet Black

Johnson Auto Plaza

Brighton, CO

New 2026 GMC Sierra 3500

AT4

$89,380

MSRP: $92,7853.7% off

5 mi

Est. $1,287/mo*

22 days on market

Onyx BlackBlack

Transwest GMC Isuzu

Henderson, CO

New 2026 GMC Sierra 3500

Denali

$89,579

MSRP: $94,0504.8% off

10 mi

Est. $1,290/mo*

34 days on market

BlackBlue

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Denali

$89,580

MSRP: $92,3903% off

10 mi

Est. $1,290/mo*

9 days on market

Brown

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

AT4

$90,375

MSRP: $93,7803.6% off

5 mi

Est. $1,301/mo*

16 days on market

Coastal DuneBlack

Transwest GMC Isuzu

Henderson, CO

New 2026 GMC Sierra 3500

AT4

$90,450

MSRP: $90,7600.3% off

5 mi

Est. $1,302/mo*

28 days on market

SilverBlack

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

AT4

$90,550

MSRP: $90,8600.3% off

12 mi

Est. $1,304/mo*

34 days on market

WhiteBlack

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Denali

$90,636

MSRP: $95,9755.6% off

4 mi

Est. $1,305/mo*

22 days on market

WhiteBlack

Castle Rock Chevrolet GMC

Castle Rock, CO

New 2026 GMC Sierra 3500

Denali

$90,645

MSRP: $93,4553% off

5 mi

Est. $1,305/mo*

34 days on market

Brown

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Denali

$91,054

MSRP: $92,2051.2% off

50 mi

Est. $1,311/mo*

50 days on market

Downpour MetallicBrown

Shortline Buick-GMC

Aurora, CO

New 2026 GMC Sierra 3500

Denali

$91,432

MSRP: $97,7856.5% off

11 mi

Est. $1,316/mo*

77 days on market

Downpour MetallicBrown

O'Meara GMC

Thornton, CO

New 2026 GMC Sierra 3500

AT4

$91,450

MSRP: $91,7600.3% off

10 mi

Est. $1,317/mo*

8 days on market

BlackBlack

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Denali

$92,145

MSRP: $94,9553% off

6 mi

Est. $1,327/mo*

36 days on market

SilverBrown

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

AT4

$92,900

10 mi

Est. $1,337/mo*

22 days on market

Coastal DuneBlack

Transwest GMC Isuzu

Henderson, CO

Used 2026 GMC Sierra 3500

Denali Ultimate

$93,397

686 mi

Est. $1,344/mo*

5 days on market

Onyx BlackAlpine Umber

Castle Rock Chevrolet GMC

Castle Rock, CO

New 2026 GMC Sierra 3500

AT4

$94,015

MSRP: $94,3250.3% off

15 mi

Est. $1,353/mo*

23 days on market

RedBlack

Alpine Buick GMC South

Colorado Springs, CO

New 2026 GMC Sierra 3500

Denali Ultimate

$94,766

MSRP: $103,6508.6% off

5 mi

Est. $1,364/mo*

1 day on market

SilverBrown

Mike Maroone Chevrolet Buick GMC Longmont

Longmont, CO

New 2026 GMC Sierra 3500

AT4

$95,114

MSRP: $96,5451.5% off

10 mi

Est. $1,369/mo*

52 days on market

Coastal DuneBlack

Shortline Buick-GMC

Aurora, CO

New 2026 GMC Sierra 3500

Denali

$95,240

MSRP: $95,5550.3% off

69 mi

Est. $1,371/mo*

36 days on market

WhiteJet Black

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Denali Ultimate

$96,007

MSRP: $102,8606.7% off

4 mi

Est. $1,382/mo*

66 days on market

Onyx BlackAlpine Umber

O'Meara GMC

Thornton, CO

New 2026 GMC Sierra 3500

AT4

$96,700

129 mi

Est. $1,391/mo*

45 days on market

Onyx BlackBlack

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Denali

$97,074

2 mi

Est. $1,397/mo*

12 days on market

BlackBrown

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Denali

$97,359

MSRP: $97,6740.3% off

2 mi

Est. $1,401/mo*

8 days on market

WhiteBlue

Alpine Buick GMC

Littleton, CO

New 2026 GMC Sierra 3500

Denali Ultimate

$97,595

MSRP: $101,5003.8% off

5 mi

Est. $1,404/mo*

44 days on market

WhiteAlpine Umber

Transwest GMC Isuzu

Henderson, CO

New 2026 GMC Sierra 3500

Denali Ultimate

$97,687

MSRP: $104,5406.6% off

8 mi

Est. $1,406/mo*

24 days on market

WhiteAlpine Umber

O'Meara GMC

Thornton, CO

New 2026 GMC Sierra 3500

Denali Ultimate

$97,696

MSRP: $102,4304.6% off

0 mi

Est. $1,406/mo*

28 days on market

BlackBrown

Alpine Buick GMC South

Colorado Springs, CO