2006 Chevrolet Silverado 2500HD Gas Tank Size & Fuel Capacity
Fuel tank capacity
26.0–34.0gal · 98–129 L
The 2006 Chevrolet Silverado 2500HD has a fuel tank capacity of 26.0 to 34.0 gallons (98–129 liters), depending on the trim. The most common size is 34.0 gallons, used on 26 trims.
34.0 gal · Bigger than 94% of 2006 models we list.
Listed separately: 2006 Chevrolet Silverado 1500 (26.0–34.0 gal), 2006 Chevrolet Silverado 1500HD (26.0 gal), 2006 Chevrolet Silverado 3500 (34.0 gal).
2006 Chevrolet Silverado 2500HD fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Cab
- Bed
- Engine
- no difference
All 46 trims
| Trim | Engine | Drive | Tank | |||
|---|---|---|---|---|---|---|
| LS 4dr Crew Cab 4WD SB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 26.0 gal98 L | |||
| LS 4dr Crew Cab SB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 26.0 gal98 L | |||
| LS 4dr Extended Cab 4WD SB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 26.0 gal98 L | |||
| LS 4dr Extended Cab SB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 26.0 gal98 L | |||
| LT1 4dr Crew Cab 4WD SB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 26.0 gal98 L | |||
| LT1 4dr Crew Cab SB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 26.0 gal98 L | |||
| LT1 4dr Extended Cab 4WD SB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 26.0 gal98 L | |||
| LT1 4dr Extended Cab SB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 26.0 gal98 L | |||
| LT2 4dr Crew Cab 4WD SB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 26.0 gal98 L | |||
| LT2 4dr Crew Cab SB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 26.0 gal98 L | |||
| LT2 4dr Extended Cab 4WD SB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 26.0 gal98 L | |||
| LT2 4dr Extended Cab SB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 26.0 gal98 L | |||
| LT3 4dr Crew Cab 4WD SB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 26.0 gal98 L | |||
| LT3 4dr Crew Cab SB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 26.0 gal98 L | |||
| LT3 4dr Extended Cab 4WD SB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 26.0 gal98 L | |||
| LT3 4dr Extended Cab SB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 26.0 gal98 L | |||
| Work Truck 4dr Crew Cab 4WD SB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 26.0 gal98 L | |||
| Work Truck 4dr Crew Cab SB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 26.0 gal98 L | |||
| Work Truck 4dr Extended Cab 4WD SB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 26.0 gal98 L | |||
| Work Truck 4dr Extended Cab SB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 26.0 gal98 L | |||
| LS 2dr Regular Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| LS 2dr Regular Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| LS 4dr Crew Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| LS 4dr Crew Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| LS 4dr Extended Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| LS 4dr Extended Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| LT1 2dr Regular Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| LT1 2dr Regular Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| LT1 4dr Crew Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| LT1 4dr Crew Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| LT1 4dr Extended Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| LT1 4dr Extended Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| LT2 4dr Crew Cab 4WD LB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 34.0 gal129 L | |||
| LT2 4dr Crew Cab LB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 34.0 gal129 L | |||
| LT2 4dr Extended Cab 4WD LB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 34.0 gal129 L | |||
| LT2 4dr Extended Cab LB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 34.0 gal129 L | |||
| LT3 4dr Crew Cab 4WD LB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 34.0 gal129 L | |||
| LT3 4dr Crew Cab LB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 34.0 gal129 L | |||
| LT3 4dr Extended Cab 4WD LB 6.0L 8cyl 4A · 4WD | 6.0L 8cyl 4A | 4WD | 34.0 gal129 L | |||
| LT3 4dr Extended Cab LB 6.0L 8cyl 4A · RWD | 6.0L 8cyl 4A | RWD | 34.0 gal129 L | |||
| Work Truck 2dr Regular Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| Work Truck 2dr Regular Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| Work Truck 4dr Crew Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| Work Truck 4dr Crew Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| Work Truck 4dr Extended Cab 4WD LB 6.0L 8cyl 5M · 4WD | 6.0L 8cyl 5M | 4WD | 34.0 gal129 L | |||
| Work Truck 4dr Extended Cab LB 6.0L 8cyl 5M · RWD | 6.0L 8cyl 5M | RWD | 34.0 gal129 L | |||
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. The EPA doesn't rate fuel economy for heavy-duty pickups and vans (over 8,500 lb gross vehicle weight), so these trims have no official MPG or range.
What it costs to fill up a 2006 Chevrolet Silverado 2500HD
$145.18 to fill the 34.0-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 26.0 gal | Regular | $4.27 | $111.02 | $83.26 |
| 34.0 gal | Regular | $4.27 | $145.18 | $108.88 |
By region, 34.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $136.68 |
| Midwest | $4.27 | $145.18 |
| Gulf CoastLowest | $3.70 | $125.80 |
| Rocky Mountain | $4.46 | $151.64 |
| West Coast | $5.42 | $184.28 |
| CaliforniaHighest | $5.89 | $200.26 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 26.0-gallon tank$111.02
- 34.0-gallon tank$145.18
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Silverado 2500HD tank size in other years
The 2006 Silverado 2500HD uses the same 26.0–34.0 gal tank sizes as every Silverado 2500HD since 2001.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2011 Silverado 2500HD | 36.0 gal | Not rated |
| 2010 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2009 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2008 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2007 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2006 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2005 Silverado 2500HD | 26.0–34.0 gal | 408 mi |
| 2004 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2003 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2002 Silverado 2500HD | 26.0–34.0 gal | Not rated |
| 2001 Silverado 2500HD | 26.0–34.0 gal | Not rated |
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2006 Chevrolet Silverado 2500HD vs similar 2006 pickups
At 34.0 gallons, the Silverado 2500HD's largest tank ranks second of the four 2006 pickups compared here. The Dodge Ram Pickup 2500 carries the most (35.0 gal) and the Ford F-150 the least (30.0 gal).
| 2006 model | Tank | Longest highway range |
|---|---|---|
| Dodge Ram Pickup 2500 | 34.0–35.0 gal | Not rated |
| Chevrolet Silverado 2500HD | 26.0–34.0 gal | Not rated |
| GMC Sierra 2500HD | 26.0–34.0 gal | Not rated |
| Ford F-150 | 26.0–30.0 gal | 540 mi |
Other 2006 pickups of a similar size, one model per brand.
2006 Chevrolet Silverado 2500HD fuel pump and gauge parts
These are the part numbers the makers list for the 2006 Chevrolet Silverado 2500HD. Check the fuel system recalls first: recall repairs are free.
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Frequently asked questions
What is the fuel tank capacity of the 2006 Chevrolet Silverado 2500HD?
The 2006 Chevrolet Silverado 2500HD holds between 26.0 and 34.0 gallons, depending on the trim. 34.0 gallons is the usual size; the smaller 26.0-gallon tank is on the LS 4dr Crew Cab 4WD SB.
How many gallons and liters does the 2006 Chevrolet Silverado 2500HD gas tank hold?
The 2006 Chevrolet Silverado 2500HD tank holds 98–129 liters, or 26.0–34.0 gallons in US gallons.
Which 2006 Chevrolet Silverado 2500HD has the biggest gas tank?
The 34.0-gallon tank is on the LS 2dr Regular Cab 4WD LB, LS 2dr Regular Cab LB, LS 4dr Crew Cab 4WD LB and 23 other trims. The smallest tank, 26.0 gallons, is on the LS 4dr Crew Cab 4WD SB.
Does 4WD change the 2006 Chevrolet Silverado 2500HD gas tank?
No. 4WD and RWD versions of the 2006 Chevrolet Silverado 2500HD use the same 26.0–34.0 gal tank.
What gas does the 2006 Chevrolet Silverado 2500HD take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2006 Chevrolet Silverado 2500HD?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 34.0-gallon tank from empty costs $145.18. It ranges from $125.80 in the Gulf Coast to $200.26 in California.
How much does a full tank of gas weigh in a 2006 Chevrolet Silverado 2500HD?
About 211 pounds for the 34.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2006 Chevrolet Silverado 2500HD have a bigger gas tank than the GMC Sierra 2500HD?
No, they match: both top out at 34.0 gallons in 2006.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings. Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.