1999 GMC SIERRA 1500

20 trims available · 14–17 MPG · 200–255 HP

← 199819992000 →

Standout Trims

1999 HIGHLIGHTS

Best Value

Best score/price ratio

MyCar Score™68.9Look Up VIN →

Best Fuel Economy

SLE

17 MPG combined

MyCar Score™68.7Look Up VIN →

Most Powerful

SLT

255 HP

MyCar Score™68.4Look Up VIN →

Full History Report

Buying a 1999 GMC Sierra 1500?

4 recalls have been issued for this model year. Check its history before you buy.

A vehicle history report shows accidents, ownership history, and service records.

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Trim Levels

ALL 1999 GMC SIERRA 1500 TRIMS

Trim	Body	Engine	MPG	HP	Seats	MSRP	Score
SLTop Rated	Truck (Extended Cab)	N/A	16	N/A	N/A	N/A	MyCar Score™68.9	Look Up VIN
SL	Truck (Extended Cab)	N/A	16	N/A	N/A	N/A	MyCar Score™68.9	Look Up VIN
SLE	Truck (Extended Cab)	N/A	16	N/A	N/A	N/A	MyCar Score™68.9	Look Up VIN
SLT	Truck (Extended Cab)	N/A	16	N/A	N/A	N/A	MyCar Score™68.9	Look Up VIN
SLT	Truck (Extended Cab)	N/A	16	N/A	N/A	N/A	MyCar Score™68.9	Look Up VIN
SLE	Truck (Extended Cab)	N/A	16	N/A	N/A	N/A	MyCar Score™68.9	Look Up VIN
SLE	Truck (Regular Cab)	4.3L	17	200	N/A	N/A	MyCar Score™68.7	Look Up VIN
SL	Truck (Regular Cab)	4.3L	17	200	N/A	N/A	MyCar Score™68.7	Look Up VIN
SLE	Truck (Regular Cab)	4.3L	17	200	N/A	N/A	MyCar Score™68.6	Look Up VIN
SL	Truck (Regular Cab)	4.3L	17	200	N/A	N/A	MyCar Score™68.6	Look Up VIN
SLT	Truck (Extended Cab)	4.8L	15	255	N/A	N/A	MyCar Score™68.4	Look Up VIN
SLE	Truck (Extended Cab)	4.8L	15	255	N/A	N/A	MyCar Score™68.4	Look Up VIN
SL	Truck (Extended Cab)	4.8L	15	255	N/A	N/A	MyCar Score™68.4	Look Up VIN
SLT	Truck (Extended Cab)	4.8L	15	255	N/A	N/A	MyCar Score™68.3	Look Up VIN
SLE	Truck (Extended Cab)	4.8L	15	255	N/A	N/A	MyCar Score™68.3	Look Up VIN
SL	Truck (Extended Cab)	4.8L	15	255	N/A	N/A	MyCar Score™68.3	Look Up VIN
SL	Truck (Regular Cab)	4.3L	14	200	N/A	N/A	MyCar Score™67.4	Look Up VIN
SLE	Truck (Regular Cab)	4.3L	14	200	N/A	N/A	MyCar Score™67.4	Look Up VIN
SLE	Truck (Regular Cab)	4.3L	14	200	N/A	N/A	MyCar Score™67.3	Look Up VIN
SL	Truck (Regular Cab)	4.3L	14	200	N/A	N/A	MyCar Score™67.3	Look Up VIN

Top Rated

MyCar Score™68.9

Body

Truck (Extended Cab)

MPG

Drive

rear wheel drive

Look Up VIN →

MyCar Score™68.9

Body

Truck (Extended Cab)

MPG

Drive

rear wheel drive

Look Up VIN →

SLE

MyCar Score™68.9

Body

Truck (Extended Cab)

MPG

Drive

rear wheel drive

Look Up VIN →

SLT

MyCar Score™68.9

Body

Truck (Extended Cab)

MPG

Drive

rear wheel drive

Look Up VIN →

SLT

MyCar Score™68.9

Body

Truck (Extended Cab)

MPG

Drive

rear wheel drive

Look Up VIN →

SLE

MyCar Score™68.9

Body

Truck (Extended Cab)

MPG

Drive

rear wheel drive

Look Up VIN →

SLE

MyCar Score™68.7

Body

Truck (Regular Cab)

MPG

200

Drive

rear wheel drive

Look Up VIN →

MyCar Score™68.7

Body

Truck (Regular Cab)

MPG

200

Drive

rear wheel drive

Look Up VIN →

SLE

MyCar Score™68.6

Body

Truck (Regular Cab)

MPG

200

Drive

rear wheel drive

Look Up VIN →

MyCar Score™68.6

Body

Truck (Regular Cab)

MPG

200

Drive

rear wheel drive

Look Up VIN →

SLT

MyCar Score™68.4

Body

Truck (Extended Cab)

MPG

255

Drive

four wheel drive

Look Up VIN →

SLE

MyCar Score™68.4

Body

Truck (Extended Cab)

MPG

255

Drive

four wheel drive

Look Up VIN →

MyCar Score™68.4

Body

Truck (Extended Cab)

MPG

255

Drive

four wheel drive

Look Up VIN →

SLT

MyCar Score™68.3

Body

Truck (Extended Cab)

MPG

255

Drive

four wheel drive

Look Up VIN →

SLE

MyCar Score™68.3

Body

Truck (Extended Cab)

MPG

255

Drive

four wheel drive

Look Up VIN →

MyCar Score™68.3

Body

Truck (Extended Cab)

MPG

255

Drive

four wheel drive

Look Up VIN →

MyCar Score™67.4

Body

Truck (Regular Cab)

MPG

200

Drive

four wheel drive

Look Up VIN →

SLE

MyCar Score™67.4

Body

Truck (Regular Cab)

MPG

200

Drive

four wheel drive

Look Up VIN →

SLE

MyCar Score™67.3

Body

Truck (Regular Cab)

MPG

200

Drive

four wheel drive

Look Up VIN →

MyCar Score™67.3

Body

Truck (Regular Cab)

MPG

200

Drive

four wheel drive

Look Up VIN →

At a Glance

KEY SPECS

Body Type

Truck (Extended Cab), Truck (Regular Cab)

MPG Range

14–17 MPG

HP Range

200–255 HP

Drive Type

rear wheel drive

Towing

4,000 lbs

Specs: NHTSA vPIC databaseSafety: NHTSA Complaints & RecallsFuel economy: EPAMyCar Score™: mycarneedsthis.com independent rating

Dimensions & Comfort

SPACE & COMFORT

Based on the top-rated 1999 Sierra 1500 trim.

Exterior Dimensions

Length

227.5 in

Width

78.5 in

Height

71.2 in

Wheelbase

143.5 in

Interior Dimensions

Front Headroom

41 in

Front Legroom

41.3 in

Rear Headroom

38.4 in

Rear Legroom

33.7 in

Cargo & Capacity

Towing

4,000 lbs

Curb Weight

4,235 lbs

Safety & Warranty

PROTECTION & COVERAGE

Safety Ratings

NHTSA Overall

Not tested by NHTSA

Open Recalls

4 recalls

Source: NHTSA New Car Assessment Program. nhtsa.gov/ratings

Family & Safety

IS THIS A GOOD FAMILY CAR?

Rear Seat Space

Tight

Rear headroom: 38.4″

Rear legroom: 33.7″

Car Seat Usability

Always have car seat installation checked by a certified technician. Find an inspection station near you →

LATCH System

LATCH (Lower Anchors and Tethers for Children) is required on all US vehicles from 2003 onward.

Check owner's manual for LATCH anchor availability.

Helpful Guides

Pre-Purchase Inspection Guide →How to Negotiate a Used Car Price →Buying a Used Truck Guide →

Common Questions

1999 GMC SIERRA 1500 FAQ

How many recalls does a 1999 GMC Sierra 1500 have?▾

The 1999 GMC Sierra 1500 has 4 recalls on record with NHTSA. Always verify current recall status at nhtsa.gov before purchasing.

What is the fuel economy of a 1999 GMC Sierra 1500?▾

The 1999 GMC Sierra 1500 gets 14–17 MPG combined depending on trim level and drivetrain configuration.

What is the best 1999 GMC Sierra 1500 trim to buy used?▾

Based on MyCar Score™ ratings, the SL trim scores highest at 68.9 out of 100, balancing value, fuel economy, and specifications.

Is the 1999 GMC Sierra 1500 a good used car?▾

The 1999 GMC Sierra 1500 has an average MyCar Score™ of 68 out of 100. MyCar Score™ weighs NHTSA safety ratings, recall history, fuel economy, and value. This is a competitive score for the segment.

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