Toyota · 2021
Tacoma 4WD 3.5L 6-cyl
✓ EPA Verified
Regular Gasoline
Small Pickup Trucks 4WD
Part-time 4-Wheel Drive
City
18
MPG
Combined
20
MPG
Highway
22
MPG
Annual Fuel Cost
$2,200
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$50
more per year
Class Comparison — Small Pickup Trucks 4WD
Bottom 40%
Better than 40 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 20 MPG
This vehicle
20 MPG
Class average
20 MPG
Class lowest
16 MPG
EPA Energy & Environment Scores
4
Energy Score
Out of 10
4
GHG Score
Out of 10
448 lbs
Annual CO₂
g/mile tailpipe CO₂
No
Start-Stop
Not equipped
Vehicle Specifications
Engine3.5L 6-cyl
TransmissionAutomatic (S6)
DrivePart-time 4-Wheel Drive
Fuel TypeRegular Gasoline
Vehicle ClassSmall Pickup Trucks 4WD
Engine DescSIDI & PFI
Start-StopNo
EPA Vehicle ID43084

The 2021 Toyota Tacoma 4WD with the 3.5L V6 engine has an EPA-estimated fuel economy of 20 MPG combined. While this figure might seem unremarkable, it reflects the priorities of Tacoma buyers. This truck isn’t typically purchased to save on fuel costs; it’s chosen for its legendary reliability, off-road capability, and high resale value. The Tacoma 4×4 is built as a tool, offering greater capability over high efficiency.

City and highway performance

Official EPA ratings show 18 MPG in the city and 22 MPG on the highway. The city figure reflects stop-and-go driving, where the Tacoma’s weight and engine workload reduce efficiency. On the highway, a steady cruise can achieve the 22 MPG rating; however, added weight, larger tires, or roof racks will decrease these numbers. The six-speed automatic transmission, while generally smooth, isn’t the most modern design, and this also affects fuel consumption.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2021 Toyota Tacoma 4WD 3.5L 6-cylinder at $2,200. This is based on 15,000 miles per year and national average fuel prices. Your fuel costs will vary depending on local gas prices and driving habits. Frequent towing, 4-wheel drive use, or extended idling will likely increase this annual expense. Use this figure as a starting point and adjust it based on your expected usage.

Real-world expectations

EPA tests provide standardized data, but real-world fuel economy can differ. The Tacoma’s fuel economy is sensitive to driving style and terrain. Quick acceleration, hard braking, and driving on unpaved roads will lower efficiency. Some Tacoma owners note that achieving the EPA’s 22 MPG highway rating requires effort and a light touch. Expect an average closer to the combined 20 MPG in everyday driving. Access TACOMA MPG across all years to see how the fuel economy has changed across different model years and powertrains.

How it compares

Compared to other mid-size trucks, the Tacoma’s fuel economy doesn’t stand out. For example, the 2021 Chevrolet Colorado 4WD with the 3.6L V6 gets a slightly better 20 MPG city and 24 MPG highway. The Ford Ranger 4×4 with its 2.3L EcoBoost turbo engine manages 20 MPG city and 24 MPG highway. Even the Jeep Gladiator, focused on off-road performance like the Tacoma, often achieves similar or better fuel economy in real-world conditions. The Nissan Frontier 4×4, an older design with a 3.8L V6, gets around 17 MPG city and 23 MPG highway. The Tacoma’s slightly lower fuel economy relates to its durable construction, older powertrain, and prioritizing off-road capability over efficiency. The Tacoma buyer is often less concerned with fuel savings and more interested in its long-term durability and resale value. For comparison, see all Toyota fuel economy data.

Tips to maximize efficiency

Keep your tires inflated to the recommended pressure listed on the doorjamb. Underinflated tires increase rolling resistance, making the engine work harder and reducing fuel economy. Checking tire pressure can help, especially on a heavier vehicle like the Tacoma.

Avoid quick acceleration and hard braking. The Tacoma’s 3.5L V6 engine performs best with smooth inputs. Anticipate traffic and maintain a consistent speed to decrease fuel consumption.

Reduce unnecessary weight. Excessive cargo in the Tacoma increases its overall weight and decreases fuel efficiency. Removing unnecessary items can improve MPG, especially in the city.

Use the Tacoma’s “ECT Power” mode only when needed. While it improves throttle response and acceleration, it also consumes more fuel. Use it for towing or climbing steep hills. Otherwise, drive in the standard mode for better fuel efficiency.

Consider using cruise control on the highway. Cruise control maintains a consistent speed, which can improve fuel economy. However, avoid using cruise control on hilly roads, as the transmission may downshift often, negating the benefits.