2018 head-to-head · Midsize Car
2018 Acura RLX vs Audi A7
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 · 3.5L 6-cyl · 10-speed automatic · 23 MPG
AWD · 3.0L 6-cyl supercharged · 8-speed automatic · 23 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2018 Acura RLX (23 MPG) costs about $2,576 a year to fuel and the 2018 Audi A7 (23 MPG) about $2,576.
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 RLX
- Audi A7
Side by side
| Acura RLX | Audi A7 | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,576 |
| 23 MPG | Combined efficiency | 23 MPG |
| 20 MPG | City | 20 MPG |
| 29 MPG | Highway | 29 MPG |
| 102 cu ft | Passenger volume | 94 cu ft |
| 15 cu ft | Cargo volume | 25 cu ft |
| 383 g/mi | Tailpipe CO₂ (g/mi) | 378 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.5L 6-cyl | Engine / motor | 3.0L 6-cyl supercharged |
| 10-speed automatic | Transmission | 8-speed automatic |
| FWD | 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.
Acura RLX vs Audi A7 across model years
- Acura RLX
- Audi A7
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 Acura RLX has more passenger space (102 vs. 94 cu ft); the Audi A7 has more cargo space (25 vs. 15 cu ft).
Among 74 2018 midsize cars, the Acura RLX ranks 63rd and the Audi A7 62nd for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2018 Acura RLX vs. the Audi A7 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Acura RLX and $2,576 for the Audi A7.
Which has more cargo space?
The Audi A7, with 25 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
Acura RLX vs Audi A7 in other years
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