2017 head-to-head · Midsize Car

2017 Acura RLX Hybrid vs Audi A6

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,043/ year to fuel
29 MPG

AWD · 3.5L 6-cyl · 7-speed dual-clutch · 29 MPG

✓ Cheaper to run
$2,116/ year to fuel
28 MPG

The 2017 Acura RLX Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,043 a year to fuel (29 MPG), versus $2,116 for the 2017 Audi A6 (28 MPG). That's roughly $73 a year, or about $365 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 RLX Hybrid
  • Audi A6

Side by side

Acura RLX HybridAudi A6
$2,043 Your annual fuel cost $2,116
29 MPG Combined efficiency 28 MPG
29 MPG City 24 MPG
30 MPG Highway 34 MPG
102 cu ft Passenger volume 98 cu ft
15 cu ft Cargo volume 16 cu ft
306 g/mi Tailpipe CO₂ (g/mi) 317 g/mi
7/10 EPA fuel economy score 6/10
7/10 EPA greenhouse gas score 6/10
Hybrid Powertrain Gas
Premium gasoline Fuel Premium gasoline
3.5L 6-cyl Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 7-speed dual-clutch
AWD 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 RLX Hybrid vs Audi A6 across model years

  • Acura RLX Hybrid
  • Audi A6

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 Hybrid has more passenger space (102 vs. 98 cu ft); the Audi A6 has more cargo space (16 vs. 15 cu ft).

Among 67 2017 midsize cars, the Acura RLX Hybrid ranks 44th and the Audi A6 45th for lowest fuel cost.

The powertrains differ: the Acura RLX Hybrid is a full hybrid, while the Audi A6 is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2017 Acura RLX Hybrid or the 2017 Audi A6?

Measured by cost to drive, the Acura RLX Hybrid. The Acura RLX Hybrid is rated 29 MPG combined and the Audi A6 28 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2017 Acura RLX Hybrid vs. the Audi A6 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,043 for the Acura RLX Hybrid and $2,116 for the Audi A6.

Which has more cargo space?

The Audi A6, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Acura RLX Hybrid vs Audi A6 in other years

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