Ameer Randolph
The Toyota Tundra and Sequoia have several interchangeable parts, owing to their identical mechanical makeup from the firewall forward. However, the rear suspension of the Sequoia is unique, which affects the space available for the fuel tank. The Tundra's fuel tank is larger than the Sequoia's, and while some have speculated that a Tundra fuel tank could fit in a Sequoia, there are no confirmed cases of this working. The Transferflow 46-gallon replacement tank for the Tundra, for example, is known not to fit in a Sequoia due to the difference in wheelbase length.
| Characteristics | Values |
|---|---|
| Fuel tank compatibility | The Tundra fuel tank does not fit the Sequoia. |
| Fuel tank capacity (Tundra) | 26.4 gallons |
| Fuel tank capacity (Sequoia) | 26 gallons |
| Reasons for incompatibility | The Sequoia has a lower floor and a shorter wheelbase than the Tundra, which affects tank space. |
| Interchangeable parts | The Sequoia and Tundra are mechanically identical from the firewall forward, but the rear suspension is unique to the Sequoia. |
| Fuel tank skid plate | A heavier-duty skid plate is available for the 1st Gen Tundra, but not for the Sequoia. |
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What You'll Learn
The 2008-2013 Tundra and Sequoia have the same front end
The 2008-2013 Toyota Tundra and Sequoia share the same basic platform, engine, transmission, suspension, and frame. The 2008-2013 Tundra has the same front end as the Sequoia, and some owners have modified their vehicles by swapping front bumpers. For example, a 2008 Tundra with a Sequoia front bumper and a stock 2008 Tundra show subtle differences in the fog light housings, the lower grille, and the overall profile of the bumper.
The 2008+ Sequoia and 2007+ Tundra share many parts, and it is possible to mix and match. For example, a 2008+ Sequoia TRD Pro grill will fit all Sequoias from 2008 onwards, and a Tundra grill will fit a Sequoia if the grill is also changed. However, the mounting holes and brackets may need to be the same for this to work. The 2015 Tundra front end can also be fitted to a 2nd Gen Sequoia with a conversion kit, as the fender lines line up.
The Tundra and Sequoia also share the same fuel tank, which is 26 gallons. However, the shape of the tank space is different due to the lower floor of the Sequoia, so it is not possible to swap tanks.
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The Sequoia wheelbase is 2 ft shorter than the Tundra
The Toyota Sequoia is a full-size SUV that was introduced in 2000 and has since seen three generations of models. The Toyota Tundra, introduced in 1999, is a full-size pickup truck. The two vehicles share the same engine, dashboard, sheet metal, and chassis, with some exceptions.
The wheelbase of the Sequoia is 2 feet shorter than that of the Tundra. This difference in wheelbase length affects the vehicles' turning radius, with the shorter wheelbase of the Sequoia giving it a tighter turning radius of 19 feet (5.8 meters). The shorter wheelbase also impacts the interior space of the Sequoia, particularly in the third row of seating, which is more cramped due to the battery bump under the feet of passengers.
In addition to the wheelbase difference, the Sequoia has a lower floor than the Tundra to accommodate seating, which results in a more compact tank space. The fuel tank capacity of the Sequoia is around 26 gallons, while some Tundra models have a 38-gallon tank.
While the Sequoia and Tundra share some mechanical similarities, the rear suspension of the Sequoia is unique. This difference in suspension design, along with the variation in wheelbase length, means that a direct swap of fuel tanks between the two vehicles may not be possible. Some sources suggest that a Tundra fuel tank may not fit the Sequoia due to these differences.
There have been discussions and attempts to install larger fuel tanks in the Sequoia, but it is a complex process due to the vehicle's design.
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The Sequoia has a lower floor than the Tundra
The Toyota Sequoia and Toyota Tundra are two recently redesigned rigs that share a lot of technology and ride on the same platform. The main difference between the two is that the Tundra is a pickup truck with an open bed, while the Sequoia is an SUV with a three-row enclosed cabin.
This difference in floor height means that the fuel tanks of the two vehicles are not interchangeable. The Tundra fuel tank is larger than the Sequoia's, with a capacity of around 26 gallons, while the Sequoia's fuel tank capacity is only around 20 gallons. This means that the Sequoia needs to be filled up more frequently than the Tundra, which can be inconvenient for long-distance travel.
Some Sequoia owners have expressed interest in upgrading to a larger fuel tank, but currently, there are no direct replacement options available on the market. Aftermarket solutions, such as transfer tanks, may be possible, but they would likely require significant modifications and are not as straightforward as a direct replacement.
Overall, the lower floor of the Sequoia compared to the Tundra results in a more compact tank space and a smaller fuel tank capacity. This design choice is necessary to accommodate the seating in the enclosed cabin, but it comes at the cost of reduced fuel efficiency and more frequent fill-ups.
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The TransferFlow 46-gallon replacement tank won't fit in a Gen 2 Sequoia
The TransferFlow 46-gallon replacement tank will not fit a Gen 2 Sequoia due to differences in the wheelbase and floor height between the two models. The Toyota Tundra has a longer wheelbase than the Sequoia, with a two-foot gap between the transfer case and the fuel tank that can be utilised for additional fuel storage. This gap does not exist on the Sequoia, which has a shorter wheelbase of 122 inches compared to the Tundra's 126 inches.
Additionally, the Sequoia has a lower floor to accommodate seating, which reduces the space available for the fuel tank. These dimensional differences make it challenging to install a larger replacement fuel tank in the Sequoia. While some owners have expressed interest in upgrading to a larger tank, such as the TransferFlow 46-gallon option, it is not a direct fit.
The fuel tank capacity of the Sequoia is a common discussion point among owners, with some considering alternative options for extended range. While the factory tank size is adequate for regular use, those seeking to utilise their vehicles for off-roading or extended backcountry camping trips have expressed a desire for a larger fuel capacity.
There have been suggestions for aftermarket solutions, such as auxiliary fuel tanks or transfer tanks, but these may require customisation and modifications to the vehicle. Some owners have submitted requests to Transfer Flow, Inc. for a Sequoia-specific larger replacement tank, recognising that a potential solution may lie in a dedicated product designed for the unique dimensions and specifications of the Sequoia.
While the TransferFlow 46-gallon replacement tank is an appealing option for those seeking increased fuel capacity, it is not a straightforward drop-in solution for the Gen 2 Sequoia due to the vehicle's distinct design and spatial constraints.
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The fuel tank skid plate differs between the two models
The fuel tank skid plate differs between the Toyota Tundra and Toyota Sequoia models. The Tundra's fuel tank skid plate is made of steel, while the Sequoia's is aluminium. The Tundra's skid plate also requires the use of RCI's tank straps if the model isn't the "TRD Off Road" version. The installation process for the Sequoia's skid plate is less straightforward, with some customers reporting a lack of clear instructions provided by the manufacturer.
The design of the fuel tank skid plate between the two models also varies. The Tundra's fuel tank skid plate incorporates welded-on bolt protection rings, while the Sequoia's does not. Additionally, the Tundra's skid plate may not have a designated crossmember mounting location for the long bracket, requiring additional hardware and modifications during installation.
The compatibility of aftermarket fuel tank skid plates is another point of difference between the two models. While some customers have found a heavier-duty aluminium skid plate for the first-generation Tundra, similar options for the Sequoia do not seem to be readily available. This could be due to the lower floor height of the Sequoia, which results in a more compact tank space compared to the Tundra.
Despite these differences, some owners of both vehicles have opted to install the RCI 26-gallon skid plate, which seems to fit both the Tundra and Sequoia models, providing protection for the fuel tank. However, it is important to note that the installation process for this particular skid plate may vary between the two vehicles, as evidenced by the varying experiences shared by customers.
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Frequently asked questions
No, a Tundra fuel tank will not fit a Sequoia. The wheelbase of the Sequoia is 2 feet shorter than the Tundra, and the tank space is compacted due to the lower floor and rear suspension design.
Yes, there are aftermarket fuel tank systems available for the Sequoia, but the options are limited due to the compact tank space. Some companies that offer fuel tank replacements include Long Range America and Transfer Flow, Inc.
The fuel tank capacity of the Sequoia is approximately 26 gallons.
