The 2018 Audi S5 Sportback gets a 3-liter V6 under the hood that makes 354 hp @ 5400 rpm horsepower and 369 lb.-ft. @ 1370 rpm of torque. This engine is quite fuel-efficient and helps the car deliver a mileage of 21 mpg in the city and 30 mpg on the highway. The combined efficiency of the engine comes out to be 24 mpg as rated by the EPA.

2018 Audi S5 Sportback MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
Premium Plus quattro 4dr Hatchback AWD (3.0L 6cyl Turbo 8A)21 mpg30 mpg24 mpg15.3 gal.321.3/459.0 mi.
Prestige quattro 4dr Hatchback AWD (3.0L 6cyl Turbo 8A)21 mpg30 mpg24 mpg15.3 gal.367.20 / 520.20 - 413.1/520.2 mi.
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Used 2018 Audi S5 Sportback For Sale

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2018 Audi S5
24

2018 Audi S5 Hatchback

Premium Plus

$34,000
Est. $461/mo
Excellent Deal
$8,998 Below market
RMV: $42,998
Chicago, IL
2019 Audi S5
15
Price Drop, $500
Previous Price: $4399519 May 2022

2019 Audi S5 Premium Plus Sportback

3.0 TFSI Premium Plus quattro 4dr Hatchback AWD (3.0L 6cyl Turbo 8A)

$43,495
Est. $590/mo
Excellent Deal
$9,474.5 Below market
RMV: $52,969.5
Newport, KY
2018 Audi S5Home Delivery
4
Price Drop, $240
Previous Price: $3852323 Jul 2022

2018 Audi S5 Prestige

Prestige quattro 2dr Coupe AWD (3.0L 6cyl Turbo 8A)

$38,283
Est. $519/mo
Excellent Deal
$6,114 Below market
RMV: $44,397
Akron, OH
2018 Audi S5Home Delivery
14

2018 Audi S5 Prestige Coupe

Prestige

$32,936
Est. $447/mo
Excellent Deal
$4,972 Below market
RMV: $37,908
Crossville, TN
2019 Audi S5Home Delivery
16
Price Drop, $500
Previous Price: $4845025 May 2022

2019 Audi S5 Premium Plus Sportback

3.0 TFSI Premium Plus quattro 4dr Hatchback AWD (3.0L 6cyl Turbo 8A)

$47,950
Est. $651/mo
Excellent Deal
$6,834 Below market
RMV: $54,784
Whittier, CA
2018 Audi S5Home Delivery
18
Price Drop, $500
Previous Price: $3899816 May 2022

2018 Audi S5 Prestige Sportback

Prestige quattro 4dr Hatchback AWD (3.0L 6cyl Turbo 8A)

$38,498
Est. $522/mo
Excellent Deal
$5,099 Below market
RMV: $43,597
Miami, FL
2018 Audi S5
13

2018 Audi S5 Hatchback

Premium Plus

$37,999
Est. $515/mo
Excellent Deal
$4,999 Below market
RMV: $42,998
Stafford, TX
2018 Audi S5
18

2018 Audi S5 Prestige Sportback

Prestige quattro 4dr Hatchback AWD (3.0L 6cyl Turbo 8A)

$42,995
Est. $583/mo
Excellent Deal
$5,221 Below market
RMV: $48,216
Coopersville, MI
2018 Audi S5
22

2018 Audi S5 Premium Plus Hatchback

Premium Plus

$38,500
Est. $522/mo
Excellent Deal
$4,498 Below market
RMV: $42,998
Indianapolis, IN
When it comes to fuel economy, the 2018 Audi S5 Sportback is the least efficient of the lot. The car offers 21 mpg in the city, 30 mpg on the highway and combined efficiency of 24 mpg. All other rivals offer almost similar mpg figures but the 2018 Audi S5 Sportback still goes down with its poorest mileage.

Its low MPG figures also hinder the overall travel range on a full tank which comes out to be 321.3/459.0 - 321.30 / 459.00 miles. The most efficient car amongst the competition is the 2018 Audi A5 Sportback with a mileage of 24 mpg in the city and 34 mpg on the highway. It has a total travel range of 367.20 / 520.20 - 413.1/520.2 miles on a full tank.

2018 Audi S5 Sportback vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2018 Audi S5 Sportback21 mpg30 mpg24 mpg15.3 gal.321.3/459.0 mi.
2018 Audi A5 Sportback24 mpg34 mpg27 mpg15.3 gal.367.20 / 520.20 - 413.1/520.2 mi.

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