2016 head-to-head · Midsize Car
2016 Mazda 6 vs Scion iM
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2016 Mazda 6 (32 MPG) costs about $1,453 a year to fuel and the 2016 Scion iM (31 MPG) about $1,500.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Mazda 6
- Scion iM
Side by side
| Mazda 6 | Scion iM | |
|---|---|---|
| $1,453 | Your annual fuel cost | $1,500 |
| 32 MPG | Combined efficiency | 31 MPG |
| 28 MPG | City | 28 MPG |
| 38 MPG | Highway | 36 MPG |
| 100 cu ft | Passenger volume | 90 cu ft |
| 15 cu ft | Cargo volume | 21 cu ft |
| 280 g/mi | Tailpipe CO₂ (g/mi) | 283 g/mi |
| 8/10 | EPA fuel economy score | 8/10 |
| 8/10 | EPA greenhouse gas score | 8/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl | Engine / motor | 1.8L 4-cyl |
| 6-speed automatic | Transmission | CVT |
| 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.
Mazda 6 vs Scion iM across model years
- Mazda 6
- Scion iM
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 Mazda 6 has more passenger space (100 vs. 90 cu ft); the Scion iM has more cargo space (21 vs. 15 cu ft).
Among 67 2016 midsize cars, the Mazda 6 ranks 18th and the Scion iM 21st for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2016 Mazda 6 or the 2016 Scion iM?
Measured by cost to drive, the Mazda 6. The Mazda 6 is rated 32 MPG combined and the Scion iM 31 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2016 Mazda 6 vs. the Scion iM per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,453 for the Mazda 6 and $1,500 for the Scion iM.
Which has more cargo space?
The Scion iM, with 21 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
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