2021 head-to-head · Midsize & Large SUV

2021 Bentley Bentayga Plug-in Hybrid vs BMW X5 Hybrid

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
$2,578/ year to fuel
46 MPGe + 19 MPG

AWD · 3.0L 6-cyl turbo · 8-speed automatic · 46 MPGe + 19 MPG

✓ Cheaper to run
$2,576/ year to fuel
23 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, the most efficient 2021 Bentley Bentayga Plug-in Hybrid (46 MPGe + 19 MPG) costs about $2,578 a year to fuel and the 2021 BMW X5 Hybrid (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

  • Bentley Bentayga Plug-in Hybrid
  • BMW X5 Hybrid

Side by side

Bentley Bentayga Plug-in HybridBMW X5 Hybrid
$2,578 Your annual fuel cost $2,576
46 MPGe + 19 MPG Combined efficiency 23 MPG
44 MPGe / 17 MPG City 21 MPG
49 MPGe / 21 MPG Highway 26 MPG
73 kWh Electricity use (kWh/100 mi) —
390 mi Driving range —
18 mi All-electric range —
256 g/mi Tailpipe CO₂ (g/mi) 383 g/mi
5/10 EPA fuel economy score 5/10
7/10 EPA greenhouse gas score 5/10
3 hrs Charge time at 240V —
Plug-in hybrid Powertrain Hybrid
Premium gas + electricity Fuel Premium gasoline
3.0L 6-cyl turbo Engine / motor 3.0L 6-cyl turbo
8-speed automatic 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.

Bentley Bentayga Plug-in Hybrid vs BMW X5 Hybrid across model years

  • Bentley Bentayga Plug-in Hybrid
  • BMW X5 Hybrid

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

Among 65 2021 midsize & large SUVs, the Bentley Bentayga Plug-in Hybrid ranks 31st and the BMW X5 Hybrid 27th for lowest fuel cost.

The powertrains differ: the Bentley Bentayga Plug-in Hybrid is a plug-in hybrid, while the BMW X5 Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2021 Bentley Bentayga Plug-in Hybrid or the 2021 BMW X5 Hybrid?

Measured by cost to drive, the BMW X5 Hybrid. The Bentley Bentayga Plug-in Hybrid is rated 46 MPGe + 19 MPG combined and the BMW X5 Hybrid 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Bentley Bentayga Plug-in Hybrid vs. the BMW X5 Hybrid per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $2,578 for the Bentley Bentayga Plug-in Hybrid and $2,576 for the BMW X5 Hybrid.

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