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GMC Sierra 1500 vs HUMMER H3T

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

GMC logo

2026 GMC Sierra 1500

HUMMER logo

2010 HUMMER H3T

Overview

SpecGMC Sierra 1500ProHUMMER H3TBase
Selected trimProBase
Body styleTruck (Regular Cab)Truck (Crew Cab)
Drivetrainrear wheel drivefour wheel drive
Fuel typeregular unleadedregular unleaded
Transmission8-speed shiftable automatic5-speed manual
Engine typegasgas
Model year20262010

Pricing & market

SpecGMC Sierra 1500ProHUMMER H3TBase
MSRP$38,300$30,915 (best)
For sale now00

Fuel economy & range

SpecGMC Sierra 1500ProHUMMER H3TBase
Combined MPG19 MPG (best)15 MPG
City MPG18 MPG (best)14 MPG
Highway MPG21 MPG (best)18 MPG
Fuel tank24 gal27 gal (best)

Performance

SpecGMC Sierra 1500ProHUMMER H3TBase
Horsepower310 hp (best)239 hp
Torque430 lb-ft (best)241 lb-ft
Engine size2.7 L3.7 L (best)
CylindersI4I5

Size & capability

SpecGMC Sierra 1500ProHUMMER H3TBase
Seating3 seats5 seats (best)
Doors24 (best)
Cargo volume33.5 cu ft (best)
Towing capacity9,000 lbs (best)4,400 lbs
Payload2,230 lbs (best)1,090 lbs
Curb weight4,440 lbs (best)4,911 lbs
Ground clearance7.9 in9.5 in (best)
Wheelbase126 in134.2 in (best)
Length211 in212.7 in (best)
Width81.2 in (best)75 in
Height75.7 in (best)72.1 in

Safety & recalls

SpecGMC Sierra 1500ProHUMMER H3TBase
Frontal crash (driver)5 / 5 ★ (best)
Frontal crash (passenger)4 / 5 ★ (best)
Rollover4 / 5 ★ (best)
Open recalls (YMM scope)None reportedNone reported

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimGMC Sierra 1500HUMMER H3T
1

Pro

$38,300 MSRP(Currently comparing)

Base

$30,915 MSRP(Currently comparing)

2

Pro

$38,500 MSRP

Alpha

$35,680 MSRP

3

Pro

$41,600 MSRP

Alpha

$39,205 MSRP

4

Pro

$44,000 MSRP

5

Pro

$42,900 MSRP

6

Pro

$43,100 MSRP

7

Pro

$44,900 MSRP

8

Pro

$47,300 MSRP

9

Pro

$47,600 MSRP

10

SLE

$48,700 MSRP

11

SLE

$51,100 MSRP

12

SLE

$52,000 MSRP

13

SLE

$54,400 MSRP

14

SLE

$54,700 MSRP

15

Elevation

$50,500 MSRP

16

Elevation

$53,100 MSRP

17

Elevation

$52,300 MSRP

18

Elevation

$53,800 MSRP

19

Elevation

$54,900 MSRP

20

Elevation

$56,400 MSRP

21

Elevation

$56,700 MSRP

22

SLT

$54,900 MSRP

23

SLT

$58,000 MSRP

24

SLT

$58,700 MSRP

25

Denali

$65,900 MSRP

26

Denali

$69,200 MSRP

27

Denali

$69,700 MSRP

28

AT4

$66,800 MSRP

29

AT4

$67,300 MSRP

30

AT4X

$79,400 MSRP

31

Denali Ultimate

$84,200 MSRP

GMC Sierra 1500 vs HUMMER H3T: Price, MPG, Safety & Specs Compared | Open Dealer