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2015 Audi S8

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Rating8.3

Ranked #6 in 

Fullsize Sedan
Write Review
$114,900
Starting Price 

Year

Nathan Dyer's image
Nathan Dyer 

Senior Editor,

Updated on November 3, 2023

ProsConsWhat's New

Astonishing acceleration from the massive V8 engine

Lacks long wheelbase version

Gets a standard heads-up display

Handles surprisingly well for a lengthy sedan

The trunk space is not really up to the mark when compared to the rivals

A new sports exhaust system is on board

Sharp and sleek exterior styling gives it a futuristic look

Specs & Features

$114,900

price

520 hp @ 5800 rpm

horsepower

481 lb.-ft. @ 1700 rpm

torque

8-Speed Shiftable Automatic

transmission

4.0L 8cyl AWD 8A

engine

-

basic warranty

Overview

The 2015 Audi S8 makes for an excellent contender in the fullsize sedan class. With just one trim on offer, the Audi S8 has a base MSRP of $114,900, competing directly with the Porsche Panamera Turbo, the Mercedes Benz S63 AMG, and the BMW 760Li. Only a 4.0L twin-turbocharged V8 engine is offered, mated to an 8-speed automatic transmission. Together, they produce 520 horsepower and 481 lb-ft of torque. Accelerating from 0-60 in 3.6 seconds, the S8 maintains a combined fuel economy of 20 MPG. Audi offers the S8 in 11 stunning colors, with the crystal blue metallic being a particular favorite of ours.

Buying Advice

The Audi S8 is a performance-oriented version of the A8. Combining nerve-racking performance with luxury, it is the perfect proposition offered by Audi to take the sports sedan market by storm. Since the S8 is available as a standalone trim, we suggest you go for it without thinking twice.

Trims

    Base
    $114,900 onwards
    • 2 - 1st row LCD monitor
    • 21-inch silver aluminum Wheels
    • A-Spec Sport Seats
    • Dual zone automatic front air conditioning
    • Fog/Driving lights
    • Front passengers heated-cushion
    • Rear air conditioning with controls
    • Remote keyless entry
    • Siriusxm AM/FM/HD/Satellite
    • Sliding and tilting glass Sunroof

Compare to similar cars

8.3
2015 Audi S8

Price

$114,900

Engine

Gasoline

Rating

8.34

Horsepower

520 hp @ 5800 rpm

Torque

481 lb.-ft. @ 1700 rpm

Capacity

5

Read Review

8.1
2015 BMW 7 Series

$74,000- $141,200

Gasoline

8.1

315 hp @ 5800 rpm

330 lb.-ft. @ 1400 rpm

5

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7.4
2015 Maserati Quattroporte

$106,900- $140,500

Gasoline

7.42

404 hp @ 5500 rpm

406 lb.-ft. @ 1750 rpm

5

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7.0
2015 Mercedes-Benz AMG S 65

$222,000- $230,900

Gasoline

7

621 hp @ 4800 rpm

738 lb.-ft. @ 2300 rpm

5

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8.8
2015 Mercedes-Benz AMG S 63

$141,450- $160,900

Gasoline

8.8

577 hp @ 5500 rpm

664 lb.-ft. @ 2250 rpm

5

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8.1
2015 Porsche Panamera

$78,100- $200,500

Gasoline

8.13

310 hp @ 6200 rpm

295 lb.-ft. @ 3750 rpm

4

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7.6
2015 BMW ALPINA B6

$117,300

Gasoline

7.57

600 hp @ 6000 rpm

540 lb.-ft. @ 2800 rpm

5

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7.3
2015 BMW ALPINA B7

$128,300- $135,200

Gasoline

7.33

540 hp @ 5200 rpm

538 lb.-ft. @ 2800 rpm

5

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2015 Audi S8 vs competitor's 0-60

    Car Name
    0-60 MPH
    Quarter Mile
    Top Speed
    		SourceCompare
    2015 Audi S8

    Ranked #1

    		3.9 sec12.6 sec155 mph
    		4.22 sec--
    		4.3 sec12.1 sec198 mph
    		4.3 sec--
    		4.6 sec13.3 sec176 mph
    		5.2 sec--
    Read More

    2015 Audi S8 vs competitor's MPG

      Car Name
      MPG City
      MPG Highway
      MPG Combined
      Fuel Tank Capacity
      Range (C/H)
      		SourceCompare
      2015 Audi S8

      Ranked #3

      		17 mpg27 mpg20 mpg21.7 gal.368.9/585.9 mi.
      		19 mpg29 mpg23 mpg21.1 gal.400.9/611.9 mi.
      		18 mpg28 mpg22 mpg21.1 gal.379.8/590.8 mi.
      		16 mpg25 mpg19 mpg21.1 gal.337.60/527.50 mi.
      		16 mpg24 mpg19 mpg18.5 gal.296/444 mi.
      		15 mpg24 mpg18 mpg21.1 gal.316.5/506.4 mi.

      2015 Audi S8 vs competitor's dimensions

        Car Name
        Length
        Width
        Height
        Ground Clearance
        Wheelbase
        		SourceCompare
        2015 Audi S8

        Ranked #3

        		202.2 in.76.7 in.57.5 in.5 in.117.8 in.
        		207.2 in.76.7 in.58.3 in.5 in.124.8 in.
        		206.5 in.74.8 in.58.8 in.5 in.124.6 in.
        		206.5 in.74.8 in.58.8 in.5 in.124.6 in.
        		200.5 in.74.9 in.58.3 in.6 in.120.9 in.
        		199.8 in.74.9 in.58.3 in.6 in.120.9 in.

        2015 Audi S8 vs competitor's trunk space

          Car Name
          Trunk Capacity
          Passenger Volume
          Max Trunk Volume
          		SourceCompare
          2015 Audi S8

          Ranked #7

          		14.2 cu.ft.115.1 cu.ft.-
          		13 cu.ft.97.3 cu.ft.13 cu.ft.
          		14 cu.ft.97.5 cu.ft.14 cu.ft.
          		15.7 cu.ft.97.1 cu.ft.44.6 cu.ft.
          		12 cu.ft.96.9 cu.ft.12 cu.ft.
          		18.7 cu.ft.-18.7 cu.ft.

          2015 Audi S8 vs competitor's cargo space

            Car Name
            Cargo Volume
            Cargo Volume w/ Seat Area
            Max Cargo Volume
            Bed Length
            		SourceCompare
            2015 Audi S8

            Ranked #1

            		-14.2 cu.ft.-76 ft.
            		44.6 cu.ft.15.7 cu.ft.44.6 cu.ft.72 ft.
            		20.8 cu.ft.12 cu.ft.12 cu.ft.-
            		18.7 cu.ft.18.7 cu.ft.18.7 cu.ft.-
            		-16.3 cu.ft.--
            		16.3 cu.ft.16.3 cu.ft.16.3 cu.ft.-

            2015 Audi S8 vs competitor's towing capacity

              Car Name
              Payload Capacity
              Weight
              		SourceCompare
              2015 Audi S8

              Ranked #1

              		1213 lbs.4685 lbs.
              		-4969 lbs.
              		1035 lbs.4344 lbs.
              		905 lbs.4655 lbs.
              		-4233 lbs.
              		-4806 lbs.

              Top Audi Cars

              2015 Audi RS 7

              Horsepower : 560 hp @ 5700 rpm

              MPG Combined : 19 mpg

              0-60 : 3.7 sec

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              Horsepower : 520 hp @ 5800 rpm

              MPG Combined : 20 mpg

              0-60 : 3.9 sec

              #2

              2015 Audi RS 5

              Horsepower : 450 hp @ 8250 rpm

              MPG Combined : 18 mpg

              0-60 : 4.5 sec

              #3

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              Horsepower : 430 hp @ 7900 rpm

              MPG Combined : 14 mpg

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              Horsepower : 420 hp @ 5500 rpm

              MPG Combined : 20 mpg

              0-60 : 4.5 sec

              #5

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              Horsepower : 420 hp @ 5500 rpm

              MPG Combined : 20 mpg

              0-60 : 4.5 sec

              #6

              2015 Audi SQ5

              Horsepower : 354 hp @ 6000 rpm

              MPG Combined : 19 mpg

              0-60 : 5.1 sec

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              2015 Audi S4

              Horsepower : 333 hp @ 5500 rpm

              MPG Combined : 20 mpg

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              Horsepower : 333 hp @ 5500 rpm

              MPG Combined : 20 mpg

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              #9

              2015 Audi A8 L

              Horsepower : 333 hp @ 5300 rpm

              MPG Combined : 22 mpg

              0-60 : 5.5 sec

              #10
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