2018 head-to-head · Midsize Car
2018 Acura RLX Hybrid vs BMW 5 Series
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 3.5L 6-cyl · 7-speed dual-clutch · 28 MPG
The 2018 Acura RLX Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel (28 MPG), versus $2,194 for the 2018 BMW 5 Series (27 MPG). That's roughly $78 a year, or about $392 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
Side by side
| Acura RLX Hybrid | BMW 5 Series | |
|---|---|---|
| $2,116 | Your annual fuel cost | $2,194 |
| 28 MPG | Combined efficiency | 27 MPG |
| 28 MPG | City | 24 MPG |
| 29 MPG | Highway | 34 MPG |
| 102 cu ft | Passenger volume | 99 cu ft |
| 15 cu ft | Cargo volume | 14 cu ft |
| 316 g/mi | Tailpipe CO₂ (g/mi) | 324 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | 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 | 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 across model years
- Acura RLX Hybrid
- BMW 5 Series
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 74 2018 midsize cars, the Acura RLX Hybrid ranks 51st and the BMW 5 Series 52nd for lowest fuel cost.
The powertrains differ: the Acura RLX Hybrid is a full hybrid, while the BMW 5 Series is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2018 Acura RLX Hybrid or the 2018 BMW 5 Series?
Measured by cost to drive, the Acura RLX Hybrid. The Acura RLX Hybrid is rated 28 MPG combined and the BMW 5 Series 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Acura RLX Hybrid vs. the BMW 5 Series per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,116 for the Acura RLX Hybrid and $2,194 for the BMW 5 Series.
Which has more cargo space?
The Acura RLX Hybrid, with 15 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).
Acura RLX Hybrid vs BMW 5 Series in other years
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