Research 2018 Toyota Tundra specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

SR 4WD SR Double Cab 6.5' Bed 4.6L (Natl)


Front Brake Rotor Diam x Thickness (in) 13.9
Rear Brake Rotor Diam x Thickness (in) 13.6
Drum - Rear (Yes or )
Brake ABS System (Second Line) 4-Wheel
Brake ABS System 4-Wheel
Brake Type 4-Wheel Disc
Rear Drum Diam x Width (in)
Disc - Rear (Yes or ) Yes
Disc - Front (Yes or ) Yes

Cargo Area Dimensions

Cargo Box Width @ Wheelhousings (in) 50
Cargo Box Width @ Floor (in) 66.4
Cargo Box Length @ Floor (in) 78.7
Cargo Box Width @ Top, Rear (in) 66.4
Cargo Box (Area) Height (in) 22.2


Maximum Alternator Capacity (amps) 100
Cold Cranking Amps @ 0° F (2nd) 710
Cold Cranking Amps @ 0° F (Primary) 710


Tons/yr of CO2 Emissions @ 15K mi/year 11.0


Engine Type Regular Unleaded V-8
SAE Net Torque @ RPM 327 @ 3400
Engine Oil Cooler Regular Duty
Engine Order Code
SAE Net Horsepower @ RPM 310 @ 5600
Displacement 4.6 L/281
Fuel System Sequential MPI

Exterior Dimensions

Ground Clearance, Front (in) 10.6
Ground Clearance, Rear (in) 10.6
Ground to Top of Load Floor (in) 34.3
Cab to Axle (in) 38.9
Overhang, Rear w/o bumper (in) 47.9
Height, Overall (in) 76.4
Width, Max w/o mirrors (in) 79.9
Length, Overall (in) 228.9
Wheelbase (in) 145.7

Fuel Tank

Fuel Tank Capacity, Approx (gal) 26.4

Interior Dimensions

Second Head Room (in) 38.7
Second Shoulder Room (in) 65.6
Second Hip Room (in) 62.6
Passenger Capacity 6
Second Leg Room (in) 34.7
Front Head Room (in) 39.7
Front Leg Room (in) 42.5
Front Hip Room (in) 62.6
Front Shoulder Room (in) 65.7


Fuel Economy Est-Combined (MPG) 16
EPA Fuel Economy Est - Hwy (MPG) 18
EPA Fuel Economy Est - City (MPG) 14


Turning Diameter - Curb to Curb (ft) 44
Steering Type Rack-Pinion


Body Style Double Cab
Body Code T
Vehicle Name Toyota Tundra 4WD


Axle Ratio (:1) - Rear 3.91
Axle Type - Rear Rigid Axle
Axle Type - Front Independent
Suspension Type - Rear Leaf
Suspension Type - Front Double Wishbone
Axle Ratio (:1) - Front 3.91


Rear Tire Size P255/70TR18
Front Tire Size P255/70TR18
Spare Tire Order Code
Rear Tire Order Code
Front Tire Order Code
Spare Tire Size Full-Size


Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 6500
Wt Distributing Hitch - Max Tongue Wt. (lbs) 650
Maximum Trailering Capacity (lbs) 6500


Drivetrain Four Wheel Drive
Fifth Gear Ratio (:1) 0.72
Fourth Gear Ratio (:1) 1.00
Third Gear Ratio (:1) 1.40
Second Gear Ratio (:1) 2.04
First Gear Ratio (:1) 3.52
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 6
Trans Order Code
Transfer Case Power Take Off No
Transfer Case Model Electronic
Trans PTO Access No
Reverse Ratio (:1) 3.22
Sixth Gear Ratio (:1) 0.59

Weight Information

Gross Axle Wt Rating - Front (lbs) 4000
Gross Vehicle Weight Rating Cap (lbs) 6900
Gross Axle Wt Rating - Rear (lbs) 4100


Rear Wheel Size (in) 18 X 8
Rear Wheel Material Styled Steel
Spare Wheel Material Steel
Front Wheel Size (in) 18 X 8
Front Wheel Material Styled Steel
Spare Wheel Size (in) Full-Size