CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

New GMC Sierra 1500 SLT for Sale near Timnath, CO

103 results
Timnath, CO
2026 GMC Sierra 1500 SLT Crew Cab 4WD Alpine Buick GMC

2026 GMC Sierra 1500

New car | MSRP $69,819

$66,569

Highlands Ranch, CO
67 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Glacier White Tricoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
7
Stock number:
TZ285470
VIN:
1GTUUDED0TZ285470

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $73,085

$73,085

Cheyenne, WY
42 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Glacier White Tricoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate
Transmission:
Automatic
Mileage:
5
Stock number:
G252800
VIN:
3GTUUDEL7TG252800

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $63,690

$54,940

Castle Rock, CO
81 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
4
Stock number:
TZ156083D
VIN:
1GTUUDED6TZ156083

Sponsored

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $72,770

$63,214

Loveland, CO
7 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
4
Stock number:
TZ154193
VIN:
1GTUUDEL4TZ154193

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,500

$59,750

Castle Rock, CO
81 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
4
Stock number:
TG104544
VIN:
3GTUUDED9TG104544

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $63,690

$54,940

Castle Rock, CO
81 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
4
Stock number:
TZ156083D
VIN:
1GTUUDED6TZ156083

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $71,275

$65,778

Brighton, CO
41 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
25
Stock number:
G602140
VIN:
1GTUUDEL5TZ202140

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,355

$61,548

Golden, CO
57 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock number:
TG169239
VIN:
3GTUUDE86TG169239

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,485

$61,238

Longmont, CO
26 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Volcanic Red Tintcoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/ Slate
Transmission:
Automatic
Mileage:
3
Stock number:
L218445
VIN:
3GTUUDED7TG218445

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,505

$61,548

Golden, CO
57 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Volcanic Red Tintcoat
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock number:
TG169234A
VIN:
3GTUUDE87TG169234

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,320

$63,869

Golden, CO
57 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Glacier White Tricoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
3
Stock number:
TG223774
VIN:
3GTUUDED7TG223774

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $73,980

$70,980

Cheyenne, WY
42 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Glacier White Tricoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate
Transmission:
Automatic
Mileage:
15
Stock number:
G146386
VIN:
3GTUUDEL8TG146386

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $70,915

$64,665

Highlands Ranch, CO
67 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Volcanic Red Tintcoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate, Perforated Leather-Appointed Fr
Transmission:
Automatic
Mileage:
106
Stock number:
TZ191824
VIN:
1GTUUDEDXTZ191824

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,870

$61,999

Lone Tree, CO
67 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Volcanic Red Tintcoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
28
Stock number:
TG223771
VIN:
3GTUUDED1TG223771

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,324

$61,074

Highlands Ranch, CO
67 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Glacier White Tricoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
3
Stock number:
TG147111
VIN:
3GTUUDED6TG147111

  1. Home
  2. / New Cars
  3. / GMC Sierra 1500
  4. / SLT
  5. / Colorado
  6. / Timnath
FAQs

GMC Sierra 1500 SLT FAQs

What is the fuel economy of the GMC Sierra 1500 SLT?

Depending on the engine and options, the GMC Sierra 1500 SLT gets between 14 and 24 MPG (or EV battery range).

What fuel types are available?

Diesel, Flex Fuel Vehicle, Gasoline engines are available.

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.