GMC Sierra 1500 vs Isuzu i-350
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2006 Isuzu i-350
Overview
| Spec | GMC Sierra 1500Pro | Isuzu i-350i-350 LS |
|---|---|---|
| Selected trim | Pro | i-350 LS |
| Body style | Truck (Regular Cab) | Truck (Crew Cab) |
| Drivetrain | rear wheel drive | four wheel drive |
| Fuel type | regular unleaded | regular unleaded |
| Transmission | 8-speed shiftable automatic | 4-speed automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2006 |
Pricing & market
| Spec | GMC Sierra 1500Pro | Isuzu i-350i-350 LS |
|---|---|---|
| MSRP | $38,300 | $27,358 (best) |
| Lowest listing price | $30,489 (best) | — |
| Median listing price | $67,273 (best) | — |
| Highest listing price | $89,945 (best) | — |
| For sale now | 40 (best) | 0 |
Fuel economy & range
| Spec | GMC Sierra 1500Pro | Isuzu i-350i-350 LS |
|---|---|---|
| Combined MPG | 20 MPG (best) | 17 MPG |
| City MPG | 18 MPG (best) | 16 MPG |
| Highway MPG | 21 MPG | 21 MPG |
| Fuel tank | 24 gal (best) | 19.6 gal |
Performance
| Spec | GMC Sierra 1500Pro | Isuzu i-350i-350 LS |
|---|---|---|
| Horsepower | 310 hp (best) | 220 hp |
| Torque | 430 lb-ft (best) | 225 lb-ft |
| Engine size | 2.7 L | 3.5 L (best) |
| Cylinders | I4 | I5 |
Size & capability
| Spec | GMC Sierra 1500Pro | Isuzu i-350i-350 LS |
|---|---|---|
| Seating | 3 seats | 5 seats (best) |
| Doors | 2 | 4 (best) |
| Towing capacity | 9,000 lbs (best) | 4,000 lbs |
| Payload | 2,230 lbs (best) | 1,190 lbs |
| Curb weight | 4,440 lbs | 3,802 lbs (best) |
| Ground clearance | 7.9 in | 8.7 in (best) |
| Wheelbase | 126 in (best) | 125.9 in |
| Length | 211 in (best) | 207.1 in |
| Width | 81.2 in (best) | 68.6 in |
| Height | 75.7 in (best) | 67.9 in |
Safety & recalls
| Spec | GMC Sierra 1500Pro | Isuzu i-350i-350 LS |
|---|---|---|
| NHTSA overall | 5 / 5 ★ (best) | — |
| Frontal crash (driver) | 5 / 5 ★ | 5 / 5 ★ |
| Frontal crash (passenger) | 5 / 5 ★ | 5 / 5 ★ |
| Side crash (driver) | 5 / 5 ★ (best) | — |
| Side crash (passenger) | Not Rated | — |
| Side pole | 5 / 5 ★ (best) | — |
| Rollover | 4 / 5 ★ | 4 / 5 ★ |
| Open recalls (YMM scope) | 2 | 2 |
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.
| Trim | GMC Sierra 1500 | Isuzu 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 $44,200 MSRP | — |
| 5 | Pro $42,900 MSRP | — |
| 6 | Pro $43,100 MSRP | — |
| 7 | Pro $44,900 MSRP | — |
| 8 | Pro $47,500 MSRP | — |
| 9 | Pro $47,800 MSRP | — |
| 10 | SLE $48,700 MSRP | — |
| 11 | SLE $51,300 MSRP | — |
| 12 | SLE $52,000 MSRP | — |
| 13 | SLE $54,600 MSRP | — |
| 14 | SLE $54,900 MSRP | — |
| 15 | Elevation $50,500 MSRP | — |
| 16 | Elevation $53,300 MSRP | — |
| 17 | Elevation $50,800 MSRP | — |
| 18 | Elevation $53,600 MSRP | — |
| 19 | Elevation $53,800 MSRP | — |
| 20 | Elevation $56,600 MSRP | — |
| 21 | Elevation $56,900 MSRP | — |
| 22 | SLT $55,100 MSRP | — |
| 23 | SLT $58,200 MSRP | — |
| 24 | SLT $58,900 MSRP | — |
| 25 | Denali $66,100 MSRP | — |
| 26 | Denali $69,400 MSRP | — |
| 27 | Denali $69,900 MSRP | — |
| 28 | AT4 $67,000 MSRP | — |
| 29 | AT4 $67,500 MSRP | — |
| 30 | AT4X $79,600 MSRP | — |
| 31 | Denali Ultimate $84,400 MSRP | — |
Live inventory
GMC Sierra 150040 for sale
See all
Used2022 GMC Sierra 1500
SLT
Summit White•Jet Black63,098 mi$40,383Middleton Ford
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Used2022 GMC Sierra 1500
Denali
Cayenne Red Tintcoat•Jet Black, Forge Perforated Leather Seat Trim52,053 mi$43,999Jay Hatfield Chevrolet of Pittsburg
Frontenac, KS
New2026 GMC Sierra 1500
SLE
Titanium Rush Metallic•Jet Black, Cloth Seat TrimN/A$59,525Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 1500
AT4X
Volcanic Red Tintcoat•Obsidian Rush, Full Grain Leather Front Seat TrimN/A$89,945Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 1500
Pro
Summit White•Jet Black, Cloth Seat TrimN/A$53,430Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 1500
SLT
Glacier White Tricoat•Dark Walnut/Slate, Perforated Leather-Appointed Front Outboard Seat TrimN/A$68,650Jay Hatfield GMC Chanute
Chanute, KS
GMC Sierra 1500 vs Isuzu i-350 FAQ
- Which is better: 2026 GMC Sierra 1500 or 2006 Isuzu i-350?
- It depends on priorities. OpenDealer compares 2026 GMC Sierra 1500 vs 2006 Isuzu i-350 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 GMC Sierra 1500 or 2006 Isuzu i-350?
- Based on starting MSRP, the 2006 Isuzu i-350 starts lower at $27,358. Live GMC Sierra 1500 listings start at $30,489.
- Which has better startingMsrp: 2026 GMC Sierra 1500 or 2006 Isuzu i-350?
- The 2006 Isuzu i-350 leads on startingMsrp in this comparison (27,358).
- Which has better combinedMpg: 2026 GMC Sierra 1500 or 2006 Isuzu i-350?
- The 2026 GMC Sierra 1500 leads on combinedMpg in this comparison (23).
- Which has better horsepower: 2026 GMC Sierra 1500 or 2006 Isuzu i-350?
- The 2026 GMC Sierra 1500 leads on horsepower in this comparison (420).
- Which has better seats: 2026 GMC Sierra 1500 or 2006 Isuzu i-350?
- The 2026 GMC Sierra 1500 leads on seats in this comparison (6).
- Which has better maxTowingLbs: 2026 GMC Sierra 1500 or 2006 Isuzu i-350?
- The 2026 GMC Sierra 1500 leads on maxTowingLbs in this comparison (13,300).
- How do the NHTSA safety ratings compare for 2026 GMC Sierra 1500 vs 2006 Isuzu i-350?
- NHTSA overall crash-test ratings in this comparison: GMC Sierra 1500 (5/5 NHTSA overall).