The 2018 Infiniti Q50 gets a 2-liter I4 under the hood that makes 208 hp @ 5500 rpm horsepower and 258 lb.-ft. @ 1500 rpm of torque. This engine is quite fuel-efficient and helps the car deliver a mileage of 23 mpg in the city and 30 mpg on the highway. The combined efficiency of the engine comes out to be 25 mpg as rated by the EPA.

For the performance-oriented buyers, Infiniti provides an option to choose another engine. It's a 3-liter V6 motor that churns out 300 hp @ 6400 rpm horsepower and 295 lb.-ft. @ 1600 rpm of torque. The engine is a gas guzzler and provides an efficiency of 20 mpg in the city, 29 mpg on the highway and combined mileage of 23 mpg. The total fuel-tank capacity of the car is 20 gallons and you can travel up to 400.00 / 580.00 miles once it's full.

2018 Infiniti Q50 MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
LUXE 4dr Sedan (2.0L 4cyl Turbo 7A)23 mpg30 mpg25 mpg20 gal.460.00 / 600.00 mi.
LUXE 4dr Sedan AWD (2.0L 4cyl Turbo 7A)22 mpg28 mpg24 mpg20 gal.440.00 / 560.00 mi.
PURE 4dr Sedan (2.0L 4cyl Turbo 7A)23 mpg30 mpg25 mpg20 gal.460.00 / 600.00 mi.
PURE 4dr Sedan AWD (2.0L 4cyl Turbo 7A)22 mpg28 mpg24 mpg20 gal.440.00 / 560.00 mi.
LUXE 4dr Sedan (3.0L 6cyl Turbo 7A)20 mpg29 mpg23 mpg20 gal.400.00 / 580.00 mi.
LUXE 4dr Sedan AWD (3.0L 6cyl Turbo 7A)19 mpg27 mpg22 mpg20 gal.380.00 / 540.00 mi.
Sport 4dr Sedan (3.0L 6cyl Turbo 7A)20 mpg29 mpg23 mpg20 gal.400.00 / 580.00 mi.
Sport 4dr Sedan AWD (3.0L 6cyl Turbo 7A)19 mpg27 mpg22 mpg20 gal.380.00 / 540.00 mi.
The 2018 Infiniti Q50 provides the fuel efficiency figures of 21 mpg in the city, 28.5 mpg on the highway and 23.5 mpg combined. Though these numbers are respectable, the 2018 Infiniti Q50 still falls a little behind 2018 Lexus ES 300h hybrid as the latter possess better mileage figures.

The total fuel tank capacity of the car is 20 gallons which provides a total travel range of 380.00 / 540.00 - 460.00 / 600.00 miles. The overall range of the 2018 Infiniti Q50 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 Infiniti Q50 vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2018 Infiniti Q5019 - 23 mpg27 - 30 mpg22 - 25 mpg20 gal.380.00 / 540.00 - 460.00 / 600.00 mi.
2018 Acura ILX25 mpg35 mpg29 mpg13.2 gal.304.0/432.0 - 330.0/462.0 mi.
2018 Acura TLX20 - 23 mpg29 - 33 mpg23 - 27 mpg17.2 gal.344.0/498.8 - 395.6/567.6 mi.
2018 Audi A616 - 25 mpg24 - 34 mpg18 - 28 mpg19.8 gal.354.2/515.2 - 495.0/673.2 mi.
2018 BMW M317 mpg25 mpg20 mpg15.9 gal.344.0/464.4 mi.
2018 Lexus ES 35021 mpg30 mpg24 mpg17.2 gal.361.20 / 516.00 mi.
2018 Lexus GS 35019 - 20 mpg26 - 28 mpg22 - 23 mpg17.4 gal.330.60 / 452.40 - 348.00 / 487.20 mi.
2018 Mercedes-Benz CLA-Class24 mpg32 - 37 mpg27 - 29 mpg14.8 gal.355.20 / 473.60 mi.
2018 Alfa Romeo Giulia23 - 24 mpg31 - 33 mpg26 - 27 mpg15.3 gal.351.9/474.3 - 370.0/573.5 mi.
2018 Audi S322 mpg28 mpg24 - 25 mpg14.5 gal.319.0/406.0 - 351.9/428.4 mi.
2018 BMW 3 Series21 - 24 mpg31 - 35 mpg25 - 28 mpg15.8 gal.331.8/489.8 - 363.4/537.2 mi.
2018 BMW ALPINA B716 mpg25 mpg19 mpg20.6 gal.288.0/504.0 mi.
2018 Cadillac ATS19 - 22 mpg27 - 31 mpg22 - 25 mpg16 gal.304.0/432.0 - 352.0/496.0 mi.
2018 Infiniti Q7016 - 18 mpg23 - 25 mpg18 - 21 mpg20 gal.320.00 / 460.00 - 360.00 / 500.00 mi.
2018 Jaguar XF20 - 25 mpg28 - 34 mpg23 - 28 mpg19.5 gal.-
2018 Lexus IS 30019 - 22 mpg26 - 32 mpg22 - 26 mpg17.4 gal.330.60 / 452.40 - 382.80 / 556.80 mi.
2018 Audi A421 - 27 mpg30 - 37 mpg24 - 31 mpg15.3 gal.343.2/462.0 - 413.10 / 566.10 mi.
2018 BMW 5 Series20 - 24 mpg29 - 34 mpg23 - 27 mpg18 gal.360.0/522.0 - 414.0/594.0 mi.
2018 Genesis G8015 - 19 mpg23 - 27 mpg18 - 22 mpg20.3 gal.304.50 / 466.90 - 365.40 / 507.50 mi.
2018 Lexus IS 35019 - 20 mpg26 - 28 mpg22 - 23 mpg17.4 gal.330.60 / 452.40 - 348.00 / 487.20 mi.
2018 Lincoln Continental16 - 18 mpg24 - 27 mpg19 - 21 mpg19 gal.304.00 / 456.00 - 342.00 / 513.00 mi.
2018 Mercedes-Benz C-Class23 - 24 mpg32 - 33 mpg26 - 27 mpg17.4 gal.400.20 / 556.80 - 417.60 / 574.20 mi.
2018 Audi A319 - 26 mpg28 - 35 mpg22 - 29 mpg13.2 - 14.5 gal.343.20 / 462.00 - 377.0/507.5 mi.
2018 Audi A714 - 20 mpg24 - 29 mpg17 - 23 mpg19.8 gal.396.0/574.2 - 460.8/729.6 mi.
2018 Audi S421 mpg30 mpg24 mpg15.3 gal.321.3/459.0 - 351.9/474.3 mi.
2018 BMW 4 Series Gran Coupe21 - 24 mpg31 - 34 mpg25 - 27 mpg15.8 gal.295.4/422.0 - 363.4/521.4 mi.
2018 Cadillac CTS19 - 22 mpg27 - 30 mpg22 - 25 mpg19 gal.324.0/486.0 - 418.0/570.0 mi.
2018 Jaguar XE20 - 25 mpg29 - 34 mpg24 - 29 mpg16.6 gal.332.00 / 481.40 - 415.00 / 564.40 mi.
2018 Lexus ES 300h hybrid40 mpg39 mpg40 mpg17.2 gal.688.00 / 670.80 mi.
2018 Lexus GS 30022 mpg32 mpg26 mpg17.4 gal.382.80 / 556.80 mi.
2018 Lincoln MKZ20 - 21 mpg28 - 31 mpg23 - 24 mpg16.5 - 18 gal.346.50 / 511.50 - 360.00 / 504.00 mi.

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2017 Infiniti Q50 MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
4dr Sedan (2.0L 4cyl Turbo 7A)23 mpg31 mpg26 mpg20 gal.460.00 / 620.00 mi.
4dr Sedan AWD (2.0L 4cyl Turbo 7A)22 mpg28 mpg24 mpg20 gal.440.00 / 560.00 mi.
Premium 4dr Sedan (2.0L 4cyl Turbo 7A)23 mpg31 mpg26 mpg20 gal.460.00 / 620.00 mi.
Premium 4dr Sedan AWD (2.0L 4cyl Turbo 7A)22 mpg28 mpg24 mpg20 gal.440.00 / 560.00 mi.
Sport 4dr Sedan (2.0L 4cyl Turbo 7A)23 mpg31 mpg26 mpg20 gal.460.00 / 620.00 mi.
Sport 4dr Sedan AWD (2.0L 4cyl Turbo 7A)22 mpg28 mpg24 mpg20 gal.440.00 / 560.00 mi.
Premium 4dr Sedan (3.0L 6cyl Turbo 7A)20 mpg29 mpg23 mpg20 gal.400.00 / 580.00 mi.
Premium 4dr Sedan AWD (3.0L 6cyl Turbo 7A)19 mpg27 mpg22 mpg20 gal.380.00 / 540.00 mi.
Signature Edition 4dr Sedan (3.0L 6cyl Turbo 7A)20 mpg29 mpg23 mpg20 gal.400.00 / 580.00 mi.
Signature Edition 4dr Sedan AWD (3.0L 6cyl Turbo 7A)19 mpg27 mpg22 mpg20 gal.380.00 / 540.00 mi.
Sport 4dr Sedan (3.0L 6cyl Turbo 7A)20 mpg29 mpg23 mpg20 gal.400.00 / 580.00 mi.
Sport 4dr Sedan AWD (3.0L 6cyl Turbo 7A)19 mpg27 mpg22 mpg20 gal.380.00 / 540.00 mi.

2017 Infiniti Q50 vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2017 Audi A324 - 26 mpg35 mpg29 mpg13.2 - 14.5 gal.343.20 / 462.00 - 348.00 / 449.50 mi.
2017 BMW 4 Series Gran Coupe21 - 23 mpg31 - 34 mpg25 - 27 mpg15.8 gal.331.80 / 489.80 mi.
2017 Cadillac CTS19 - 22 mpg27 - 30 mpg22 - 25 mpg19 gal.361.00 / 513.00 - 418.00 / 570.00 mi.
2017 Infiniti Q50 RED SPORT 400 Sedan19 - 20 mpg26 mpg21 - 22 mpg20 gal.380.00 / 520.00 - 400.00 / 520.00 mi.
2017 Jaguar XE20 - 21 mpg29 - 30 mpg23 - 24 mpg16.6 - 18.5 gal.332.00 / 481.40 - 348.60 / 498.00 mi.
2017 Lexus ES 300h hybrid40 mpg39 mpg40 mpg17.2 gal.688.00 / 670.80 mi.
2017 Lexus IS 200t22 mpg32 mpg26 mpg17.4 gal.382.80 / 556.80 mi.
2017 Lincoln MKZ20 - 21 mpg28 - 31 mpg23 - 24 mpg16.5 - 18 gal.346.50 / 511.50 - 360.00 / 504.00 mi.
2017 Acura ILX25 mpg35 mpg29 mpg13.2 gal.330.00 / 462.00 mi.
2017 Acura TLX21 - 24 mpg31 - 35 mpg25 - 28 mpg17.2 gal.-
2017 Audi A618 - 24 mpg24 - 35 mpg21 - 28 mpg19.8 gal.415.80 / 574.20 - 475.20 / 673.20 mi.
2017 Infiniti Q5019 - 23 mpg27 - 31 mpg22 - 26 mpg20 gal.380.00 / 540.00 - 460.00 / 620.00 mi.
2017 Lexus ES 35021 mpg30 mpg24 mpg17.2 gal.361.20 / 516.00 mi.
2017 Lexus GS 35019 - 20 mpg26 - 28 mpg22 - 23 mpg17.4 gal.330.60 / 452.40 - 348.00 / 487.20 mi.
2017 Lexus GS 200t22 mpg32 mpg26 mpg17.4 gal.382.80 / 556.80 mi.
2017 Lincoln MKZ hybrid Sedan41 mpg38 mpg40 mpg14 gal.553.50 / 513.00 mi.
2017 Mercedes-Benz CLA-Class23 - 24 mpg32 - 36 mpg27 - 29 mpg14.8 gal.340.40 / 473.60 - 355.20 / 532.80 mi.
2017 Alfa Romeo Giulia23 - 24 mpg31 - 33 mpg26 - 27 mpg15.3 gal.-
2017 Audi S321 mpg28 mpg24 mpg14.5 gal.304.50 / 406.00 mi.
2017 BMW 3 Series plug-in hybrid Sedan--30 mpg10.8 gal.-
2017 Cadillac ATS19 - 22 mpg27 - 31 mpg22 - 25 mpg16 gal.304.00 / 432.00 - 352.00 / 496.00 mi.
2017 Infiniti Q50 hybrid Sedan26 - 27 mpg30 - 32 mpg28 - 29 mpg17.8 gal.462.80 / 534.00 - 480.60 / 569.60 mi.
2017 Infiniti Q7016 - 18 mpg23 - 25 mpg18 - 21 mpg20 gal.320.00 / 460.00 - 360.00 / 500.00 mi.
2017 Jaguar XF20 mpg28 - 29 mpg23 mpg19.5 gal.390.00 / 546.00 mi.
2017 Lexus IS 30019 mpg26 mpg21 mpg17.4 gal.330.60 / 452.40 mi.
2017 Mercedes-Benz AMG CLA 4523 mpg30 mpg26 mpg14.8 gal.340.40 / 444.00 mi.
2017 Nissan Maxima21 mpg30 mpg25 mpg18 gal.378.00 / 540.00 mi.
2017 Audi A424 - 27 mpg31 - 37 mpg27 - 31 mpg15.3 gal.367.20 / 474.30 - 413.10 / 566.10 mi.
2017 BMW 3 Series21 - 23 mpg31 - 35 mpg25 - 28 mpg15.8 gal.-
2017 Lexus IS 35019 mpg26 - 28 mpg21 - 22 mpg17.4 gal.330.60 / 452.40 mi.
2017 Lincoln Continental16 - 18 mpg24 - 27 mpg19 - 21 mpg19 gal.304.00 / 456.00 - 342.00 / 513.00 mi.
2017 Mercedes-Benz C-Class24 mpg31 - 34 mpg27 - 28 mpg17.4 gal.417.60 / 539.40 mi.
2017 Mercedes-Benz C 350e plug-in hybrid15 - 30 mpg34 mpg30 mpg13.2 gal.-

2016 Infiniti Q50 MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank Capacity
Sport 4dr Sedan AWD (3.0L 6cyl Turbo 7A)28 mpg26 mpg21 mpg20 gal.
Sport 4dr Sedan (3.0L 6cyl Turbo 7A)22 mpg28 mpg23 mpg20 gal.
Premium 4dr Sedan AWD (3.0L 6cyl Turbo 7A)23 mpg27 mpg22 mpg20 gal.
Premium 4dr Sedan (3.0L 6cyl Turbo 7A)19 mpg29 mpg23 mpg20 gal.
Premium 4dr Sedan AWD (2.0L 4cyl Turbo 7A)19 mpg28 mpg24 mpg20 gal.
Premium 4dr Sedan (2.0L 4cyl Turbo 7A)20 mpg31 mpg26 mpg20 gal.
4dr Sedan AWD (2.0L 4cyl Turbo 7A)18 mpg28 mpg24 mpg20 gal.
4dr Sedan (2.0L 4cyl Turbo 7A)23 mpg31 mpg26 mpg20 gal.

2016 Infiniti Q50 vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2016 Audi A421 - 24 mpg31 - 32 mpg25 - 26 mpg16.1 gal.338.10 / 483.00 - 386.40 / 499.10 mi.
2016 BMW 3 Series22 - 32 mpg33 - 36 mpg26 - 28 mpg15.8 gal.347.60 / 521.40 - 379.20 / 568.80 mi.
2016 Mercedes-Benz C-Class21 - 25 mpg29 - 34 mpg25 - 29 mpg17.4 gal.365.40 / 504.60 - 435.00 / 591.60 mi.
2016 Acura TLX21 - 24 mpg31 - 35 mpg25 - 28 mpg17.2 gal.361.20 / 533.20 - 412.80 / 602.00 mi.
2016 Infiniti Q5018 - 28 mpg26 - 31 mpg21 - 26 mpg20 gal.-
2016 Lexus IS 30019 mpg26 mpg21 mpg17.4 gal.330.60 / 452.40 mi.
2016 Nissan Maxima22 mpg30 mpg25 mpg18 gal.396.00 / 540.00 mi.
2016 Volvo S6018 - 26 mpg27 - 38 mpg21 - 30 mpg17.8 gal.320.40 / 480.60 - 356.00 / 516.20 mi.

2015 Infiniti Q50 MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
Sport 4dr Sedan AWD (3.7L 6cyl 7A)19 mpg27 mpg23 mpg20 gal.380.0/540.0 mi.
Sport 4dr Sedan (3.7L 6cyl 7A)20 mpg29 mpg24 mpg20 gal.400.00 / 580.00 mi.
Premium 4dr Sedan AWD (3.7L 6cyl 7A)19 mpg27 mpg23 mpg20 gal.380.0/540.0 mi.
Premium 4dr Sedan (3.7L 6cyl 7A)20 mpg29 mpg24 mpg20 gal.400.00 / 580.00 mi.
4dr Sedan AWD (3.7L 6cyl 7A)19 mpg27 mpg23 mpg20 gal.380.0/540.0 mi.
4dr Sedan (3.7L 6cyl 7A)20 mpg30 mpg25 mpg20 gal.400.00 / 600.00 mi.

2015 Infiniti Q50 vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2015 Infiniti Q5019 - 20 mpg27 - 30 mpg23 - 25 mpg20 gal.380.0/540.0 - 400.00 / 600.00 mi.
2015 Volvo S6019 - 25 mpg28 - 37 mpg22 - 30 mpg17.8 gal.338.20 / 498.40 - 356.00 / 516.20 mi.
2015 Audi A422 - 24 mpg31 - 32 mpg25 - 28 mpg16.1 gal.354.20 / 499.10 - 386.40 / 515.20 mi.
2015 BMW 3 Series20 - 24 mpg30 - 36 mpg25 - 29 mpg15.8 gal.316.00 / 474.00 - 379.20 / 568.80 mi.
2015 Mercedes-Benz C-Class21 - 25 mpg29 - 34 mpg25 - 29 mpg18 gal.378.00 / 522.00 - 450.00 / 612.00 mi.
2015 Acura TLX21 - 24 mpg31 - 35 mpg26 - 29 mpg17.2 gal.361.20 / 533.20 - 412.80 / 602.00 mi.

2014 Infiniti Q50 MPG and Range

Trim NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
Sport 4dr Sedan AWD (3.7L 6cyl 7A)19 mpg27 mpg23 mpg20 gal.380.0/540.0 mi.
Sport 4dr Sedan (3.7L 6cyl 7A)20 mpg29 mpg24 mpg20 gal.400.00 / 580.00 mi.
Premium 4dr Sedan AWD (3.7L 6cyl 7A)19 mpg27 mpg23 mpg20 gal.380.0/540.0 mi.
Premium 4dr Sedan (3.7L 6cyl 7A)20 mpg29 mpg24 mpg20 gal.400.00 / 580.00 mi.
4dr Sedan AWD (3.7L 6cyl 7A)19 mpg27 mpg23 mpg20 gal.380.0/540.0 mi.
4dr Sedan (3.7L 6cyl 7A)20 mpg29 mpg24 mpg20 gal.352.0/528.0 mi.

2014 Infiniti Q50 vs. Competitor's MPG and Range

Car NameMPG CityMPG HighwayMPG CombinedFuel Tank CapacityRange in Miles
2014 Audi S417 - 18 mpg26 - 28 mpg20 - 21 mpg16.1 gal.273.70 / 418.60 - 289.80 / 450.80 mi.
2014 Lexus IS 35019 mpg26 - 28 mpg22 mpg17.4 gal.330.60 / 452.40 mi.
2014 Nissan Maxima19 mpg26 mpg22 mpg20 gal.380.00 / 520.00 mi.
2014 Infiniti Q5019 - 20 mpg27 - 29 mpg23 - 24 mpg20 gal.380.0/540.0 - 400.00 / 580.00 mi.
2014 Nissan Altima22 - 27 mpg31 - 38 mpg26 - 32 mpg18 gal.396.00 / 558.00 - 486.00 / 684.00 mi.
2014 Volvo S6018 - 21 mpg25 - 30 mpg21 - 25 mpg17.8 gal.320.40 / 445.00 - 373.80 / 534.00 mi.
2014 Honda Accord21 - 27 mpg34 - 36 mpg25 - 31 mpg17.2 gal.361.20 / 584.80 - 464.40 / 619.20 mi.
2014 Audi A420 - 24 mpg29 - 32 mpg24 - 28 mpg16.1 gal.322.00 / 466.90 - 386.40 / 515.20 mi.
2014 BMW 3 Series20 - 32 mpg30 - 36 mpg25 - 29 mpg15.8 gal.316.00 / 474.00 - 379.20 / 568.80 mi.
2014 Lexus ES 35021 mpg31 mpg26 mpg17.2 gal.361.20 / 533.20 mi.
2014 Lexus GS 35019 mpg26 - 29 mpg22 - 24 mpg17.4 gal.330.60 / 452.40 mi.
2014 Mercedes-Benz C-Class20 - 22 mpg27 - 31 mpg23 - 26 mpg17.4 gal.348.00 / 469.80 - 382.80 / 539.40 mi.
2014 Acura TSX19 - 22 mpg28 - 31 mpg23 - 26 mpg18.5 gal.351.50 / 518.00 - 407.00 / 573.50 mi.
2014 Cadillac ATS18 - 22 mpg26 - 33 mpg22 - 27 mpg16 gal.352.0/528.0 mi.

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