The 2018 Acura RLX gets a 3.5-liter V6 under the hood that makes 310 hp @ 6500 rpm horsepower and 272 lb.-ft. @ 4500 rpm of torque. This engine is quite fuel-efficient and helps the car deliver a mileage of 20 mpg in the city and 29 mpg on the highway. The combined efficiency of the engine comes out to be 23 mpg as rated by the EPA.

2018 Acura RLX MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
P-AWS 4dr Sedan (3.5L 6cyl 10A)20 mpg29 mpg23 mpg18.5 gal.422.8/483.2 mi.
P-AWS w/Technology Package 4dr Sedan (3.5L 6cyl 10A)20 mpg29 mpg23 mpg18.5 gal.370.00 / 536.50 mi.
Loading...

Used 2018 Acura RLX For Sale

View More
2017 Acura RLX
18
Price Drop, $1000
Previous Price: $2698813 Jul 2022

2017 Acura RLX Technology Package

Technology Package 4dr Sedan (3.5L 6cyl 6A)

$25,988
Est. $352/mo
Excellent Deal
$4,689 Below market
RMV: $30,677
Inglewood, CA
2017 Acura RLX
7

2017 Acura RLX Technology Package

Technology Package 4dr Sedan (3.5L 6cyl 6A)

$24,361
Est. $330/mo
Fair Deal
$1,262 Below market
RMV: $25,623
Scottsdale, AZ
2018 Acura RLXHome Delivery
18
Price Drop, $2000
Previous Price: $3198806 Jul 2022

2018 Acura RLX Technology Package

P-AWS w/Technology Package 4dr Sedan (3.5L 6cyl 10A)

$29,988
Est. $407/mo
Fair Deal
$1,234 Below market
RMV: $31,222
Ontario, NY
2018 Acura RLX
10
Price Drop, $169
Previous Price: $3394426 Jul 2022

2018 Acura RLX Technology Package

P-AWS w/Technology Package 4dr Sedan (3.5L 6cyl 10A)

$33,775
Est. $458/mo
Fair Deal
$1,123 Below market
RMV: $34,898
Bentonville, AR
2017 Acura RLXHome Delivery
14

2017 Acura RLX Technology Package

Technology Package 4dr Sedan (3.5L 6cyl 6A)

$26,999
Est. $366/mo
Fair Deal
$601 Below market
RMV: $27,600
Los Angeles, CA
2018 Acura RLX
18
Price Drop, $339
Previous Price: $3589407 Jul 2022

2018 Acura RLX Technology Package

P-AWS w/Technology Package 4dr Sedan (3.5L 6cyl 10A)

$35,555
Est. $482/mo
Fair Deal
$446 Below market
RMV: $36,001
Hillside, NJ
2018 Acura RLXHome Delivery
14
Price Drop, $1111
Previous Price: $3777708 Jan 2022

2018 Acura RLX Technology Package

P-AWS w/Technology Package 4dr Sedan (3.5L 6cyl 10A)

$36,666
Est. $497/mo
Fair Deal
$356 Below market
RMV: $37,022
Bridgewater, NJ
2018 Acura RLX
14

2018 Acura RLX Technology Package

P-AWS w/Technology Package 4dr Sedan (3.5L 6cyl 10A)

$36,998
Est. $502/mo
Fair Deal
$350 Above market
RMV: $36,648
Greenville, SC
2018 Acura RLX
25

2018 Acura RLX Technology Package

P-AWS w/Technology Package 4dr Sedan (3.5L 6cyl 10A)

$38,771
Est. $526/mo
Fair Deal
$409 Above market
RMV: $38,362
Devon, PA
The 2018 Acura RLX provides the fuel efficiency figures of 20 mpg in the city, 29 mpg on the highway and 23 mpg combined. Though these numbers are respectable, the 2018 Acura RLX still falls a little behind 2018 Honda Civic as the latter possess better mileage figures.

The total fuel tank capacity of the car is 18.5 gallons which provides a total travel range of 370.00 / 536.50 - 422.8/483.2 miles. The overall range of the 2018 Acura RLX is also less in comparison to some of its rivals due to lower efficiency but you won't have to visit the filling stations every now and then.

2018 Acura RLX vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2018 Acura RLX20 mpg29 mpg23 mpg18.5 gal.370.00 / 536.50 - 422.8/483.2 mi.
2018 Cadillac CTS19 - 22 mpg27 - 30 mpg22 - 25 mpg19 gal.324.0/486.0 - 418.0/570.0 mi.
2018 Ford Focus24 - 30 mpg34 - 40 mpg28 - 34 mpg12.4 gal.297.6/421.6 - 520.0/650.0 mi.
2018 Lincoln Continental16 - 18 mpg24 - 27 mpg19 - 21 mpg19 gal.304.00 / 456.00 - 342.00 / 513.00 mi.
2018 Honda Civic28 - 32 mpg40 - 42 mpg32 - 36 mpg12.4 gal.330.0/435.6 - 396.8/520.8 mi.
2018 Acura TLX20 - 23 mpg29 - 33 mpg23 - 27 mpg17.2 gal.344.0/498.8 - 395.6/567.6 mi.
2018 BMW 5 Series20 - 24 mpg29 - 34 mpg23 - 27 mpg18 gal.360.0/522.0 - 414.0/594.0 mi.
2018 Cadillac CT618 - 22 mpg26 - 30 mpg21 - 25 mpg19.5 gal.266.0/399.0 - 429.0/585.0 mi.
2018 Infiniti Q7016 - 18 mpg23 - 25 mpg18 - 21 mpg20 gal.320.00 / 460.00 - 360.00 / 500.00 mi.
2018 Mercedes-Benz C-Class23 - 24 mpg32 - 33 mpg26 - 27 mpg17.4 gal.400.20 / 556.80 - 417.60 / 574.20 mi.
2018 Genesis G8015 - 19 mpg23 - 27 mpg18 - 22 mpg20.3 gal.304.50 / 466.90 - 365.40 / 507.50 mi.

More from Acura RLX

Find a used Acura RLX for under $13499 | Check out price savings and popular options here!

2018 Acura RLX Exclusive Interior and Exterior Pictures | View latest Pictures

2017 Acura RLX MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
Advance Package 4dr Sedan (3.5L 6cyl 6A)20 mpg30 mpg23 mpg18.5 gal.370.00 / 555.00 mi.
Technology Package 4dr Sedan (3.5L 6cyl 6A)20 mpg30 mpg23 mpg18.5 gal.370.00 / 555.00 mi.

2017 Acura RLX vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2017 Infiniti Q70 hybrid Sedan28 mpg33 mpg30 mpg17.8 gal.498.40 / 587.40 mi.
2017 Acura RLX20 mpg30 mpg23 mpg18.5 gal.370.00 / 555.00 mi.
2017 Cadillac ATS19 - 22 mpg27 - 31 mpg22 - 25 mpg16 gal.304.00 / 432.00 - 352.00 / 496.00 mi.
2017 Cadillac CTS19 - 22 mpg27 - 30 mpg22 - 25 mpg19 gal.361.00 / 513.00 - 418.00 / 570.00 mi.
2017 Ford Focus25 - 30 mpg34 - 40 mpg28 - 34 mpg12.4 gal.310.00 / 421.60 - 372.00 / 496.00 mi.
2017 Lincoln Continental16 - 18 mpg24 - 27 mpg19 - 21 mpg19 gal.304.00 / 456.00 - 342.00 / 513.00 mi.
2017 Honda Civic28 - 32 mpg40 - 42 mpg32 - 36 mpg12.4 gal.-
2017 Chevrolet Cruze28 - 30 mpg39 - 40 mpg32 - 34 mpg13.7 gal.363.00 / 484.00 - 411.00 / 548.00 mi.
2017 Hyundai Accent26 - 27 mpg36 - 37 mpg30 - 31 mpg11.4 gal.296.40 / 410.40 - 307.80 / 421.80 mi.
2017 Lexus GS 450h hybrid29 mpg34 mpg31 mpg17.4 gal.504.60 / 591.60 mi.
2017 Honda Accord21 - 27 mpg32 - 36 mpg25 - 30 mpg17.2 gal.-
2017 Acura TLX21 - 24 mpg31 - 35 mpg25 - 28 mpg17.2 gal.-
2017 Cadillac CT618 - 22 mpg26 - 30 mpg21 - 25 mpg19.5 gal.351.00 / 507.00 - 429.00 / 585.00 mi.
2017 Infiniti Q7016 - 18 mpg23 - 25 mpg18 - 21 mpg20 gal.320.00 / 460.00 - 360.00 / 500.00 mi.
2017 Lexus GS 35019 - 20 mpg26 - 28 mpg22 - 23 mpg17.4 gal.330.60 / 452.40 - 348.00 / 487.20 mi.
2017 Mercedes-Benz C-Class24 mpg31 - 34 mpg27 - 28 mpg17.4 gal.417.60 / 539.40 mi.
2017 Subaru Impreza23 - 28 mpg31 - 38 mpg26 - 32 mpg13.2 gal.-

2016 Acura RLX MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
Advance Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Technology Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Navigation 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.

2016 Acura RLX vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2016 Cadillac CT618 - 22 mpg26 - 31 mpg21 - 25 mpg19.5 gal.351.00 / 507.00 - 429.00 / 604.50 mi.
2016 Lexus GS 35019 - 20 mpg26 - 29 mpg22 - 23 mpg17.4 gal.330.60 / 452.40 - 348.00 / 504.60 mi.
2016 Mercedes-Benz E-Class20 - 28 mpg28 - 42 mpg23 - 33 mpg21.1 gal.422.00 / 590.80 mi.
2016 Acura RLX20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
2016 Audi A620 - 24 mpg30 - 35 mpg24 - 28 mpg19.8 gal.396.00 / 574.20 - 475.20 / 673.20 mi.

2015 Acura RLX MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
Advance Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Krell Audio Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Technology Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Navigation 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg25 mpg18.5 gal.370.00 / 573.50 mi.

2015 Acura RLX vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2015 Audi A617 - 25 mpg27 - 33 mpg20 - 29 mpg19.8 gal.356.40 / 534.60 - 495.00 / 653.40 mi.
2015 Infiniti Q7016 - 18 mpg23 - 26 mpg19 - 22 mpg20 gal.320.0/460.0 - 360.0/520.0 mi.
2015 Lexus GS 35019 mpg26 - 29 mpg22 - 24 mpg17.4 gal.330.60 / 452.40 mi.
2015 Mercedes-Benz E-Class20 mpg28 - 29 mpg23 - 24 mpg21.1 gal.422.00 / 590.80 mi.
2015 Acura RLX20 mpg31 mpg24 - 25 mpg18.5 gal.370.00 / 573.50 mi.
2015 Cadillac XTS14 - 18 mpg21 - 28 mpg17 - 23 mpg18.6 - 19.5 gal.266.00 / 399.00 - 342.00 / 532.00 mi.

2014 Acura RLX MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
Advance Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Krell Audio Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Technology Package 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
Navigation 4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg24 mpg18.5 gal.370.00 / 573.50 mi.
4dr Sedan (3.5L 6cyl 6A)20 mpg31 mpg25 mpg18.5 gal.357.0/527.0 mi.

2014 Acura RLX vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2014 Acura RLX20 mpg31 mpg24 - 25 mpg18.5 gal.370.00 / 573.50 mi.
2014 Audi A618 - 25 mpg27 - 33 mpg22 - 29 mpg19.8 gal.356.40 / 534.60 - 495.00 / 653.40 mi.
2014 Toyota Avalon21 mpg31 mpg26 mpg17 gal.357.0/527.0 mi.

Important 2018 Acura RLX Links: