2015 · Small SUV · Gas

2015 Lexus RX MPG & fuel economy

The 2015 Lexus RX is a small SUV offered in 3 EPA-rated configurations. The most efficient version returns 21 MPG combined (18 city / 25 highway) on regular gasoline. Across the lineup, combined ratings range from 20 to 21 MPG. Efficiency is unchanged from the 2014 model. Among 60 small SUVs rated for 2015, it ranks 39th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel.

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Combined 21 MPG 18 MPG city · 25 MPG hwy

Driving range — not published for this model

Your fuel cost $2,214 15,000 mi/yr · $14.76 per 100 mi

Class rank, 2015 #39 of 60 Small SUVs by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Regular gas $/gal

Fuel average

The 2015 Lexus RX's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 10.6 km/L on the highway.

	MPG	km/L	L/100 km
City	18	7.7	13.1
Highway	25	10.6	9.4
Combined	21	8.9	11.2

How it ranks among 2015 Small SUVs

Full class ranking →

1Lexus NX Hybrid32 MPG $1,453
2Subaru Crosstrek Hybrid31 MPG $1,500
3Subaru Legacy/Outback29 MPG $1,603
4Honda CR-V29 MPG $1,603
5Mazda CX-529 MPG $1,603
···
39Lexus RX21 MPG $2,214
···
60Hyundai Tucson Fuel Cell50 MPGe $10,800

2015 RXOther small SUVsClass median: $2,022/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

RX MPG across model years

Full history →

3 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
FWD · 3.5L 6-cyl · 6-speed automatic RX 350	Gas	18 MPG	25 MPG	21 MPG	—	$2,214
AWD · 3.5L 6-cyl · 8-speed automatic RX 350 AWD	Gas	18 MPG	26 MPG	21 MPG	—	$2,214
AWD · 3.5L 6-cyl · 6-speed automatic RX 350 AWD	Gas	18 MPG	24 MPG	20 MPG	—	$2,325

Specs (most efficient configuration)

Fuel: Regular gasoline
Engine / motor: 3.5L 6-cyl
Transmission: 6-speed automatic
Drivetrain: FWD
Tailpipe CO₂: 429 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2015 Lexus RX vs. rivals

vs Audi Q5 Hybrid 26 MPG · $2,279/yr RX saves $65/yr vs Audi Q5 Diesel 26 MPG · $2,135/yr Q5 Diesel saves $80/yr vs Mercedes-Benz GLA-Class 28 MPG · $2,116/yr GLA-Class saves $98/yr vs Lincoln MKX 20 MPG · $2,325/yr RX saves $111/yr vs Mercedes-Benz GLK-Class Diesel 27 MPG · $2,056/yr GLK-Class Diesel saves $159/yr vs Lincoln MKC 23 MPG · $2,022/yr MKC saves $193/yr vs Lexus RX Hybrid 29 MPG · $2,043/yr RX Hybrid saves $171/yr

Compare the 2015 RX

With any other car from any year, including other RX model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2015 Lexus RX Hybrid (29 MPG)

Frequently asked questions

What is the gas mileage of the 2015 Lexus RX?

Up to 21 MPG combined (18 city / 25 highway); ratings range from 20 to 21 MPG depending on configuration.

What fuel does the 2015 Lexus RX use?

Regular gasoline.

What is the fuel average in km/L for the 2015 Lexus RX?