Research 2018 Audi A8 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

3.0 TFSI


Brake Type 4-Wheel Disc
Drum - Rear (Yes or )
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in)
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 15
Rear Brake Rotor Diam x Thickness (in) 14
Brake ABS System 4-Wheel

Cargo Area Dimensions

Trunk Volume (ft³) 14.2


Maximum Alternator Capacity (amps) 190


Tons/yr of CO2 Emissions @ 15K mi/year 8.1


Engine Type Intercooled Supercharger Premium Unleaded V-6
Displacement 3.0 L/183
SAE Net Horsepower @ RPM 333 @ 5500
Fuel System Gasoline Direct Injection
SAE Net Torque @ RPM 325 @ 2900
Engine Order Code

Exterior Dimensions

Length, Overall (in) 207.4
Track Width, Rear (in) 64.4
Track Width, Front (in) 64.7
Height, Overall (in) 57.9
Width, Max w/o mirrors (in) 76.7
Wheelbase (in) 122.9

Fuel Tank

Fuel Tank Capacity, Approx (gal) 21.7

Interior Dimensions

Front Shoulder Room (in) 59.1
Front Head Room (in) 37.2
Second Head Room (in) 39.1
Second Leg Room (in) 42.9
Second Shoulder Room (in) 57.8
Front Leg Room (in) 41.4
Passenger Volume (ft³) 121.9
Passenger Capacity 5


EPA Fuel Economy Est - City (MPG) 19
Fuel Economy Est-Combined (MPG) 22
EPA Fuel Economy Est - Hwy (MPG) 29


Steering Type Rack-Pinion
Turning Diameter - Curb to Curb (ft) 41.7


Vehicle Name Audi A8 L
Body Style quattro LWB Sedan


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


Rear Tire Size P265/40HR20
Rear Tire Size P255/45HR19
Spare Tire Size Compact
Front Tire Size P265/40HR20
Front Tire Order Code
Rear Tire Order Code
Spare Tire Order Code
Front Tire Size 275/35YR21
Front Tire Size P275/35YR21
Front Tire Size P255/45HR19
Rear Tire Size P275/35YR21
Rear Tire Size 275/35YR21


Eighth Gear Ratio (:1) 0.67
Sixth Gear Ratio (:1) 1.00
Fifth Gear Ratio (:1) 1.28
Fourth Gear Ratio (:1) 1.67
Third Gear Ratio (:1) 2.11
Second Gear Ratio (:1) 3.14
First Gear Ratio (:1) 4.71
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 8
Trans Order Code
Drivetrain All Wheel Drive
Seventh Gear Ratio (:1) 0.84
Final Drive Axle Ratio (:1) 3.20
Reverse Ratio (:1) 3.32


EPA Classification Large Cars

Weight Information

Base Curb Weight (lbs) 4464


Front Wheel Material Aluminum
Spare Wheel Size (in) Compact
Rear Wheel Size (in) 19 X 9
Rear Wheel Size (in) 21 X 9
Rear Wheel Size (in) 20 X 9
Front Wheel Size (in) 19 X 9
Front Wheel Size (in) 21 X 9
Spare Wheel Material Aluminum
Front Wheel Size (in) 20 X 9
Rear Wheel Material Aluminum

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