2018 head-to-head · Compact Car
2018 Audi A4 vs Infiniti Q50 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.
The 2018 Audi A4 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,911 a year to fuel (31 MPG), versus $2,043 for the 2018 Infiniti Q50 Hybrid (29 MPG). That's roughly $132 a year, or about $659 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
- Audi A4
- Infiniti Q50 Hybrid
Side by side
| Audi A4 | Infiniti Q50 Hybrid | |
|---|---|---|
| $1,911 | Your annual fuel cost | $2,043 |
| 31 MPG | Combined efficiency | 29 MPG |
| 27 MPG | City | 27 MPG |
| 37 MPG | Highway | 32 MPG |
| 92 cu ft | Passenger volume | 100 cu ft |
| 13 cu ft | Cargo volume | 9 cu ft |
| 284 g/mi | Tailpipe CO₂ (g/mi) | 308 g/mi |
| 7/10 | EPA fuel economy score | 6/10 |
| 7/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.5L 6-cyl |
| 7-speed dual-clutch | Transmission | 7-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.
Audi A4 vs Infiniti Q50 Hybrid across model years
- Audi A4
- Infiniti Q50 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 Q50 Hybrid has more passenger space (100 vs. 92 cu ft); the Audi A4 has more cargo space (13 vs. 9 cu ft).
Among 44 2018 compact cars, the Audi A4 ranks 28th and the Infiniti Q50 Hybrid 31st for lowest fuel cost.
The powertrains differ: the Audi A4 is a conventional gas model, while the Infiniti Q50 Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2018 Audi A4 or the 2018 Infiniti Q50 Hybrid?
Measured by cost to drive, the Audi A4. The Audi A4 is rated 31 MPG combined and the Infiniti Q50 Hybrid 29 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Audi A4 vs. the Infiniti Q50 Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $1,911 for the Audi A4 and $2,043 for the Infiniti Q50 Hybrid.
Which has more cargo space?
The Audi A4, with 13 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
Audi A4 vs Infiniti Q50 Hybrid in other years
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