2021 Audi S8 Specs

Here's everything you need to know about the 2021 Audi S8 specifications.
Written by Jessica Gibson
Reviewed by Brenna Swanston
Engine details, fuel efficiency, interior dimensions, and more: We have all the specifications you need for the 2021 Audi S8.
If you’re shopping for a super luxurious car, or you just want to learn more about your new Audi, we’ve got you covered! We’ve put together this handy guide to all things 2021 Audi S8. Plus, we’ll go over what the terms mean, so you can interpret the data.
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2021 Audi S8 specs

The large, super-luxury Audi S8 typically falls in the middle of large luxury car class rankings. Reviewers love the sophisticated interiors and comfortable seating but mark down the S8 for iffy performance and insufficient cargo size
With an MSRP of $130,900, it’s important to research the vehicle before you sign on the dotted line. If you’re comparing a few cars, easy-to-read data can help you make your decision. 
To learn more about the 2021 Audi S8, check out the specs in the following tables.

Vehicle

EPA classification
Large car
Vehicle type
Five-passenger, four-door sedan

Engine

Engine type
Twin-turbo gas with electric V8
Displacement (liters/cubic in.)
4.0/244
Horsepower
563 @ 6000 RPM
Torque
590 @ 2500 RPM

Transmission

Description
Eight-speed automatic
First gear ratio (:1)
4.71
Second gear ratio (:1)
3.14
Third gear ratio (:1)
2.11
Fourth gear ratio (:1)
1.67
Fifth gear ratio (:1)
1.28
Sixth gear ratio (:1)
1.00

Fuel economy

EPA fuel economy, combined
16 mpg
EPA fuel economy, city
13 mpg
EPA fuel economy, highway
22 mpg
Range, city (mi.)
282.1
Range, highway (mi.)
447.4
Fuel tank capacity (gal)
21.7
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Wheels and brakes

Front wheel size (in.)
20 x 9
Front wheel material
Aluminum
Front tire size
P265/40YR20
Rear wheel size (in.)
20 x 9
Rear wheel material
Aluminum
Rear tire size
P265/40YR20
Brake type
Four-wheel disc
Anti-lock braking system (ABS)
Four-wheel
Front brake rotor diameter x thickness (in.)
15.8
Rear brake rotor diameter x thickness (in.)
13.8

Dimensions

Wheelbase (in.)
123.1
Length (in.)
209
Width without mirrors (in.)
76.6
Height (in.)
58.6
Ground clearance (in.)
N/A
Total passenger volume (cubic feet)
N/A
Front head room (in.)
38.3
Front leg room (in.)
41.5
Front shoulder room (in.)
59.1
Front hip room (in.)
N/A
Second row head room (in.)
38.5
Second row legroom (in.)
44.3
Second row shoulder room (in.)
57.6
Second row hip room (in.)
N/A
Trunk space (cubic feet)
12.5

Steering

Steering type
Rack-pinion
Turning diameter, curb to curb (feet)
42.3

Suspension

Front suspension type
Multi-link
Rear suspension type
Multi-link

Weight information

Base curb weight (lbs)
5,302
Maximum payload capacity (lbs)
N/A
Curb weight
N/A

Options

Trim levels
4.0T
Body types
Sedan
Drivetrain
Available all-wheel drive
Packages
Rear Seat Comfort Package (five passenger), Driver Assistance Package, S8 Executive Package, Executive Rear Seat Comfort Package (four passenger), Cold Weather Package, Rear Seat Connectivity Package, Black Optics Package
Exterior colors
12
Interior colors
5

How to interpret car specs

That’s a lot of information to digest! If some of those terms have you a little confused, we’re here to help. Check out our quick guide to car specification lingo:
  • Base curb weight: This huge number is your
    car’s weight
    with a full tank of gas and only standard equipment.
  • Dimensions: These measurements give you an idea of how roomy or cramped your vehicle is. To help you make sense of the numbers, compare them with the dimensions of a car you know well.
  • Drivetrain: The Audi S8 is only available in front-wheel drive, which is standard for most cars. All-wheel drive is typically offered on cars that you’d take off-road.
  • Engine displacement
    : Simply put, this is how big your vehicle’s engine is. Specifically, it measures the volume displaced by the cylinders.
  • Ground clearance: This number is vital to off-road drivers who have got to watch the distance between the ground and the lowest part of the car’s body.
  • Horsepower: In simple terms, this is the engine’s power. To get more technical, one horsepower is the power your engine needs to raise 550 pounds by one foot in one second.
  • Torque:
    Torque
    is the engine’s rotational counterpart. Think of this as how good your car is at spinning its wheels to deliver the raw horsepower.
  • Turning diameter: This measurement is handy since it gives the diameter of the smallest semicircle your car needs to make a full U-turn.
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