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GMC Sierra 1500 vs Isuzu i-350

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

Vehicles

GMC logo

2026 GMC Sierra 1500

Isuzu logo

2006 Isuzu i-350

Overview

SpecGMC Sierra 1500ProIsuzu i-350i-350 LS
Selected trimProi-350 LS
Body styleTruck (Regular Cab)Truck (Crew Cab)
Drivetrainrear wheel drivefour wheel drive
Fuel typeregular unleadedregular unleaded
Transmission8-speed shiftable automatic4-speed automatic
Engine typegasgas
Model year20262006

Pricing & market

SpecGMC Sierra 1500ProIsuzu i-350i-350 LS
MSRP$38,300$27,358 (best)
For sale now00

Fuel economy & range

SpecGMC Sierra 1500ProIsuzu i-350i-350 LS
Combined MPG19 MPG (best)17 MPG
City MPG18 MPG (best)16 MPG
Highway MPG21 MPG21 MPG
Fuel tank24 gal (best)19.6 gal

Performance

SpecGMC Sierra 1500ProIsuzu i-350i-350 LS
Horsepower310 hp (best)220 hp
Torque430 lb-ft (best)225 lb-ft
Engine size2.7 L3.5 L (best)
CylindersI4I5

Size & capability

SpecGMC Sierra 1500ProIsuzu i-350i-350 LS
Seating3 seats5 seats (best)
Doors24 (best)
Towing capacity9,000 lbs (best)4,000 lbs
Payload2,230 lbs (best)1,190 lbs
Curb weight4,440 lbs3,802 lbs (best)
Ground clearance7.9 in8.7 in (best)
Wheelbase126 in (best)125.9 in
Length211 in (best)207.1 in
Width81.2 in (best)68.6 in
Height75.7 in (best)67.9 in

Safety & recalls

SpecGMC Sierra 1500ProIsuzu i-350i-350 LS
Frontal crash (driver)5 / 5 ★5 / 5 ★
Frontal crash (passenger)4 / 5 ★5 / 5 ★ (best)
Rollover4 / 5 ★4 / 5 ★
Open recalls (YMM scope)22

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 1500Isuzu i-350
1

Pro

$38,300 MSRP(Currently comparing)

i-350 LS

$27,358 MSRP(Currently comparing)

2

Pro

$38,500 MSRP

3

Pro

$41,600 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 Isuzu i-350: Price, MPG, Safety & Specs Compared | Open Dealer