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2008 GMC Sierra 1500 SLE1

Truck (Regular Cab) · 295–315 hp · 16–17 mpg combined

Sticker from

$25,215Factory MSRP, base configuration

Overview.

At a glance

295–315 hp16–17 mpg combinedRWD / 4WD

Good

10,500-lb max towing
1,947-lb max payload
Stability control standard
Heated mirrors standard

Watch for

4-speed automatic
Manual front-seat adjustments
EPA-estimated 16–17 mpg combined

The 2008 GMC Sierra 1500 SLE1 spans regular, extended and crew cabs, with rear-wheel drive or four-wheel drive. Bed choices include 5.8-foot and 6.5-foot short beds and an 8-foot long bed. Every version uses a 4-speed automatic transmission.

Most versions have a 4.8-liter 8-cylinder engine with 295 hp. Extended-cab long-bed versions use a 5.3-liter 8-cylinder engine with 315 hp. Maximum towing ranges from 7,600 to 10,500 lbs, while maximum payload ranges from 1,477 to 1,947 lbs. Fuel economy is an EPA-estimated 16 to 17 mpg combined.

Standard equipment includes cloth 40-20-40 split-bench front seats, cruise control, a leather steering wheel, heated power mirrors, an auxiliary audio input and satellite radio. Stability control, 4-wheel ABS, tire-pressure monitoring and daytime running lights are also standard. The original MSRP was $25,215 to $33,270. The original factory warranty included basic coverage for 36 months or 36,000 miles and powertrain coverage for 60 months or 100,000 miles.

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Market

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Which Sierra 1500 is right for you?

Six trims, $17,590 to $39,060. Tap one to open it.

$17,590−$7,625Work Truck315 hp $25,190−$25SL295 hp $25,215This trimSLE1295 hp $29,175+$3,960SLE2315 hp $31,605+$6,390SLT315 hp $39,060+$13,845Denali403 hp

Bar heights follow the price. The widest step is $7,600, from Work Truck to SL.

The numbers.

Twelve configurations: rear-wheel or four-wheel drive, 4-speed automatic.

295–315hp4.8L eight-cylinder / 5.3L eight-cylinder

305–338lb-ftTorque

16–17mpgCombined · 14–15 city · 18–20 highway

RWD / 4WD4-speed automatic

3–6Seats

4,453–5,410 lbsCurb weight

6,400–7,000 lbsGVWR

7,600–10,500 lbsMax towing

1,477–1,947 lbsMax payload

110 standard items.

Four groups, sized by how much is in each.

6 interiors

Dark Titanium/Light Titanium
Dark Titanium/Light Titanium
Ebony/Light Cashmere
Ebony/Light Cashmere
Ebony
Ebony

Leather or cloth.

10 factory paints

Summit White
Fire Red
Deep Blue Metallic
Onyx Black
Silver Birch Metallic
Sonoma Red Metallic
Medium Brown Metallic
Steel Gray Metallic
Dark Crimson Metallic
Stealth Gray Metallic

8 of the 10 are shown on the car at the top.

Safety and recalls

2 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 2008 Sierra 1500. A model year is often unrated for a year or more after it goes on sale.

NHTSA NCAP · checked Oct 2026

Factory coverage.

It runs from the first sale date, not the model year.

Basic

3 yr / 36,000 mi

Powertrain

5 yr / 100,000 mi

Rust

6 yr / 100,000 mi

Roadside

5 yr / 100,000 mi

Sold2 yr4 yr6 yr

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

What would this Sierra 1500 cost to insure?

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