Specs

Research 2021 Lexus IS 300 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

IS 300 RWD

Brakes

Brake Type 4-Wheel Disc
Brake ABS System 4-Wheel
Disc - Front (Yes or ) Yes
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 13.2
Rear Brake Rotor Diam x Thickness (in) 11.7

Cargo Area Dimensions

Trunk Volume (ft³) 10.8

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year 7.1

Engine

Engine Order Code
Engine Type Intercooled Turbo Premium Unleaded I-4
Displacement 2.0 L/122
SAE Net Horsepower @ RPM 241 @ 5200
Fuel System Port/Direct Injection
SAE Net Torque @ RPM 258 @ 1650

Exterior Dimensions

Length, Overall (in) 185.4
Min Ground Clearance (in) 5.5
Track Width, Rear (in) 62
Track Width, Front (in) 62.2
Height, Overall (in) 56.5
Width, Max w/o mirrors (in) 72.4
Wheelbase (in) 110.2

Fuel Tank

Fuel Tank Capacity, Approx (gal) 17.4

Interior Dimensions

Second Head Room (in) 36.9
Front Hip Room (in) 54.3
Front Shoulder Room (in) 55.9
Front Leg Room (in) 44.8
Second Shoulder Room (in) 53.4
Front Head Room (in) 38.2
Second Hip Room (in) 54
Second Leg Room (in) 32.2
Passenger Volume (ft³) 90.2
Passenger Capacity 5

Mileage

EPA Fuel Economy Est - City (MPG) 21
Fuel Economy Est-Combined (MPG) 25
EPA Fuel Economy Est - Hwy (MPG) 31

Steering

Steering Type Rack-Pinion
Turning Diameter - Curb to Curb (ft) 34.2

Summary

Vehicle Name Lexus IS
Body Style Sedan

Suspension

Suspension Type - Front (Cont.) Double Wishbone
Suspension Type - Rear (Cont.) Multi-Link
Suspension Type - Front Double Wishbone
Suspension Type - Rear Multi-Link

Tires

Rear Tire Size P235/45VR18
Spare Tire Size Compact
Rear Tire Size P235/45YR18
Front Tire Size P235/45VR18
Front Tire Size P235/45YR18
Spare Tire Order Code
Rear Tire Order Code
Rear Tire Order Code FT
Front Tire Order Code
Front Tire Order Code FT

Transmission

Drivetrain Rear Wheel Drive
Eighth Gear Ratio (:1) 0.69
Third Gear Ratio (:1) 1.86
Second Gear Ratio (:1) 2.72
First Gear Ratio (:1) 4.60
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 8
Trans Order Code
Seventh Gear Ratio (:1) 0.82
Final Drive Axle Ratio (:1) 3.13
Reverse Ratio (:1) 4.06
Sixth Gear Ratio (:1) 1.00
Fifth Gear Ratio (:1) 1.23
Fourth Gear Ratio (:1) 1.46

Vehicle

EPA Classification Compact Cars

Weight Information

Base Curb Weight (lbs) 3715

Wheels

Rear Wheel Size (in) 18 X 8.5
Front Wheel Size (in) 18 X 8.5
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Material Steel
Spare Wheel Size (in) Compact