2018 head-to-head · Midsize Car
2018 Buick LaCrosse Hybrid vs Mazda 6
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 2.5L 4-cyl · 6-speed automatic · 29 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2018 Buick LaCrosse Hybrid (29 MPG) costs about $1,603 a year to fuel and the 2018 Mazda 6 (29 MPG) about $1,603.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Buick LaCrosse Hybrid
- Mazda 6
Side by side
| Buick LaCrosse Hybrid | Mazda 6 | |
|---|---|---|
| $1,603 | Your annual fuel cost | $1,603 |
| 29 MPG | Combined efficiency | 29 MPG |
| 25 MPG | City | 26 MPG |
| 35 MPG | Highway | 35 MPG |
| 102 cu ft | Passenger volume | 100 cu ft |
| 16 cu ft | Cargo volume | 15 cu ft |
| 306 g/mi | Tailpipe CO₂ (g/mi) | 302 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 6/10 |
| Hybrid | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl | Engine / motor | 2.5L 4-cyl |
| 6-speed automatic | Transmission | 6-speed automatic |
| FWD | Drivetrain | FWD |
✓ 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.
Buick LaCrosse Hybrid vs Mazda 6 across model years
- Buick LaCrosse Hybrid
- Mazda 6
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 Buick LaCrosse Hybrid has more cargo space (16 vs. 15 cu ft).
Among 74 2018 midsize cars, the Buick LaCrosse Hybrid ranks 31st and the Mazda 6 30th for lowest fuel cost.
The powertrains differ: the Buick LaCrosse Hybrid is a full hybrid, while the Mazda 6 is a conventional gas model.
Frequently asked questions
How much does it cost to fuel the 2018 Buick LaCrosse Hybrid vs. the Mazda 6 per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,603 for the Buick LaCrosse Hybrid and $1,603 for the Mazda 6.
Which has more cargo space?
The Buick LaCrosse Hybrid, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
Buick LaCrosse Hybrid vs Mazda 6 in other years
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