2015 head-to-head · Midsize Car
2015 Infiniti Q40 vs Lexus LS Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 5.0L 8-cyl · CVT · 20 MPG
The 2015 Infiniti Q40 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $2,962 for the 2015 Lexus LS Hybrid (20 MPG). That's roughly $269 a year, or about $1,347 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 Q40
- Lexus LS Hybrid
Side by side
| Infiniti Q40 | Lexus LS Hybrid | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,962 |
| 22 MPG | Combined efficiency | 20 MPG |
| 19 MPG | City | 19 MPG |
| 27 MPG | Highway | 23 MPG |
| 99 cu ft | Passenger volume | 102 cu ft |
| 14 cu ft | Cargo volume | 10 cu ft |
| 412 g/mi | Tailpipe CO₂ (g/mi) | 432 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 3.7L 6-cyl | Engine / motor | 5.0L 8-cyl |
| 7-speed automatic | Transmission | CVT |
| RWD | Drivetrain | AWD |
✓ 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 Q40 vs Lexus LS Hybrid across model years
- Infiniti Q40
- Lexus LS Hybrid
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 Q40 has more cargo space (14 vs. 10 cu ft).
Among 69 2015 midsize cars, the Infiniti Q40 ranks 55th and the Lexus LS Hybrid 58th for lowest fuel cost.
The powertrains differ: the Infiniti Q40 is a conventional gas model, while the Lexus LS Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2015 Infiniti Q40 or the 2015 Lexus LS Hybrid?
Measured by cost to drive, the Infiniti Q40. The Infiniti Q40 is rated 22 MPG combined and the Lexus LS Hybrid 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Infiniti Q40 vs. the Lexus LS Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Infiniti Q40 and $2,962 for the Lexus LS Hybrid.
Which has more cargo space?
The Infiniti Q40, with 14 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
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