2016 head-to-head · Midsize Car

2016 Acura RLX Hybrid vs BMW 5 Series Diesel

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
$1,975/ year to fuel
30 MPG

AWD · 3.5L 6-cyl · 7-speed dual-clutch · 30 MPG

✓ Cheaper to run
$1,850/ year to fuel
30 MPG

The 2016 BMW 5 Series Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, it costs about $1,850 a year to fuel (30 MPG), versus $1,975 for the 2016 Acura RLX Hybrid (30 MPG). That's roughly $125 a year, or about $625 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
  • BMW 5 Series Diesel

Side by side

Acura RLX HybridBMW 5 Series Diesel
$1,975 Your annual fuel cost $1,850
30 MPG Combined efficiency 30 MPG
28 MPG City 26 MPG
31 MPG Highway 38 MPG
102 cu ft Passenger volume 102 cu ft
15 cu ft Cargo volume 14 cu ft
302 g/mi Tailpipe CO₂ (g/mi) 335 g/mi
7/10 EPA fuel economy score 7/10
7/10 EPA greenhouse gas score 6/10
Hybrid Powertrain Diesel
Premium gasoline Fuel Diesel
3.5L 6-cyl Engine / motor 3.0L 6-cyl turbo
7-speed dual-clutch Transmission 8-speed automatic
AWD 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.

Acura RLX Hybrid vs BMW 5 Series Diesel across model years

  • Acura RLX Hybrid
  • BMW 5 Series Diesel

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 cargo space (15 vs. 14 cu ft).

Among 67 2016 midsize cars, the Acura RLX Hybrid ranks 42nd and the BMW 5 Series Diesel 33rd for lowest fuel cost.

The powertrains differ: the Acura RLX Hybrid is a full hybrid, while the BMW 5 Series Diesel is a diesel.

Frequently asked questions

Which is more fuel-efficient, the 2016 Acura RLX Hybrid or the 2016 BMW 5 Series Diesel?

Measured by cost to drive, the BMW 5 Series Diesel. The Acura RLX Hybrid is rated 30 MPG combined and the BMW 5 Series Diesel 30 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2016 Acura RLX Hybrid vs. the BMW 5 Series Diesel per year?

At 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, about $1,975 for the Acura RLX Hybrid and $1,850 for the BMW 5 Series Diesel.

Which has more cargo space?

The Acura RLX Hybrid, with 15 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).

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