2018 head-to-head · Compact Car
2018 Acura ILX vs Audi A4
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 · 2.4L 4-cyl · 8-speed dual-clutch · 29 MPG
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 Acura ILX (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
- Acura ILX
- Audi A4
Side by side
| Acura ILX | Audi A4 | |
|---|---|---|
| $2,043 | Your annual fuel cost | $1,911 |
| 29 MPG | Combined efficiency | 31 MPG |
| 25 MPG | City | 27 MPG |
| 35 MPG | Highway | 37 MPG |
| 89 cu ft | Passenger volume | 92 cu ft |
| 12 cu ft | Cargo volume | 13 cu ft |
| 309 g/mi | Tailpipe CO₂ (g/mi) | 284 g/mi |
| 6/10 | EPA fuel economy score | 7/10 |
| 6/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.4L 4-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed dual-clutch | Transmission | 7-speed dual-clutch |
| 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.
Acura ILX vs Audi A4 across model years
- Acura ILX
- Audi A4
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 Audi A4 has more passenger space (92 vs. 89 cu ft); the Audi A4 has more cargo space (13 vs. 12 cu ft).
Among 44 2018 compact cars, the Acura ILX ranks 30th and the Audi A4 28th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Acura ILX or the 2018 Audi A4?
Measured by cost to drive, the Audi A4. The Acura ILX is rated 29 MPG combined and the Audi A4 31 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Acura ILX vs. the Audi A4 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,043 for the Acura ILX and $1,911 for the Audi A4.
Which has more cargo space?
The Audi A4, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Acura ILX vs Audi A4 in other years
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