1999 GMC Sierra 1500 SLE

Truck (Regular Cab) · 200–255 hp · 15–17 mpg combined

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Which Sierra 1500 is right for you?

Three trims. Tap one to open it.

This trimSLE200 hp SL255 hp SLT

The numbers.

Nine configurations: rear-wheel or four-wheel drive, 5-speed manual or 4-speed automatic.

200–255hp4.3L six-cylinder / 4.8L eight-cylinder

260–285lb-ftTorque

15–17mpgCombined · 14–15 city · 17–21 highway

RWD / 4WD5-speed manual / 4-speed automatic

3,911–4,748 lbsCurb weight

6,100–6,400 lbsGVWR

3,500–4,500 lbsMax towing

1,652–2,368 lbsMax payload

28 standard items.

Three groups, sized by how much is in each.

6 interiors

Pewter
Graphite
Gray
Beige
Oak
Navy

11 factory paints

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

Safety and recalls

4 recall campaigns on file.

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

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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.

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Other years of the Sierra 1500 SLE.

Starting MSRP is before destination, taxes and dealer fees.