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1999 GMC Sierra 1500 SLT

Truck (Extended Cab) · 16 mpg combined

Market

Too few listings to publish a market price.

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Which Sierra 1500 is right for you?

Three trims. Tap one to open it.

This trimSLTSL255 hpSLE255 hp

The numbers.

Three configurations: rear-wheel drive, 4-speed automatic.

16mpgCombined · 14 city · 19 highway
RWD4-speed automatic
4,235–4,442 lbsCurb weight
6,200 lbsGVWR
4,000 lbsMax towing
1,757–1,965 lbsMax payload

27 standard items.

Three groups, sized by how much is in each.

3 interiors

  • Gray
  • Beige
  • Navy

9 factory paints

  • Meadow Green Metallic
  • Indigo Blue Metallic
  • Dark Toreador Red
  • Onyx Black
  • Summit White
  • Fire Red
  • Pewter Metallic
  • Storm Gray Metallic
  • Topaz Gold Metallic

Safety and recalls

4 recall campaigns on file.

Recalls are settled per car, not per model. Check the one you are buying.

Overall—Not rated
Frontal—Not rated
Side—Not rated
Rollover—Not rated

NHTSA has not published ratings for the 1999 Sierra 1500. A model year is often unrated for a year or more after it goes on sale.

NHTSA NCAP · checked Oct 2026

Cover this Sierra 1500 for longer.

These plans are vehicle service contracts from third-party providers.

See extended plan pricesLive prices for this car. They depend on its age and mileage.See prices

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What would this Sierra 1500 cost to insure?

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Other years of the Sierra 1500 SLT.

2000 Sierra 1500 SLT

10 colors

2001 Sierra 1500 SLT

$27,20913 colors · starting MSRP

2002 Sierra 1500 Work Truck

$17,9767 colors · starting MSRP

Starting MSRP is before destination, taxes and dealer fees.