2019 head-to-head · Compact Car

2019 Infiniti QX30 vs Lexus IS

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,194/ year to fuel
27 MPG
✓ Cheaper to run
$2,469/ year to fuel
24 MPG

The 2019 Infiniti QX30 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,469 for the 2019 Lexus IS (24 MPG). That's roughly $274 a year, or about $1,372 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Infiniti QX30
  • Lexus IS

Side by side

Infiniti QX30Lexus IS
$2,194 Your annual fuel cost $2,469
27 MPG Combined efficiency 24 MPG
24 MPG City 21 MPG
33 MPG Highway 30 MPG
89 cu ft Passenger volume 90 cu ft
19 cu ft Cargo volume 11 cu ft
330 g/mi Tailpipe CO₂ (g/mi) 360 g/mi
6/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 8-speed automatic
FWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Infiniti QX30 vs Lexus IS across model years

  • Infiniti QX30
  • Lexus IS

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the Infiniti QX30 has more cargo space (19 vs. 11 cu ft).

Among 43 2019 compact cars, the Infiniti QX30 ranks 34th and the Lexus IS 38th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2019 Infiniti QX30 or the 2019 Lexus IS?

Measured by cost to drive, the Infiniti QX30. The Infiniti QX30 is rated 27 MPG combined and the Lexus IS 24 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2019 Infiniti QX30 vs. the Lexus IS per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the Infiniti QX30 and $2,469 for the Lexus IS.

Which has more cargo space?

The Infiniti QX30, with 19 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Infiniti QX30 vs Lexus IS in other years

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