2023 head-to-head · Midsize & Large SUV

2023 Aston Martin DBX 707 vs Bentley Bentayga Plug-in 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
$3,485/ year to fuel
17 MPG

4WD · 4.0L 8-cyl turbo · 9-speed automatic · 17 MPG

✓ Cheaper to run
$2,435/ year to fuel
47 MPGe + 20 MPG

AWD · 3.0L 6-cyl turbo · 8-speed automatic · 47 MPGe + 20 MPG

The 2023 Bentley Bentayga Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $2,435 a year to fuel (47 MPGe + 20 MPG), versus $3,485 for the 2023 Aston Martin DBX 707 (17 MPG). That's roughly $1,051 a year, or about $5,254 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

  • Aston Martin DBX 707
  • Bentley Bentayga Plug-in Hybrid

Side by side

Aston Martin DBX 707Bentley Bentayga Plug-in Hybrid
$3,485 Your annual fuel cost $2,435
17 MPG Combined efficiency 47 MPGe + 20 MPG
15 MPG City 44 MPGe / 18 MPG
20 MPG Highway 51 MPGe / 24 MPG
— Electricity use (kWh/100 mi) 71 kWh
— Driving range 420 mi
— All-electric range 18 mi
536 g/mi Tailpipe CO₂ (g/mi) 222 g/mi
3/10 EPA fuel economy score 6/10
3/10 EPA greenhouse gas score 7/10
— Charge time at 240V 3 hrs
Gas Powertrain Plug-in hybrid
Premium gasoline Fuel Premium gas + electricity
4.0L 8-cyl turbo Engine / motor 3.0L 6-cyl turbo
9-speed automatic Transmission 8-speed automatic
4WD 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.

Aston Martin DBX 707 vs Bentley Bentayga Plug-in Hybrid across model years

  • Aston Martin DBX 707
  • Bentley Bentayga Plug-in 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 73 2023 midsize & large SUVs, the Aston Martin DBX 707 ranks 65th and the Bentley Bentayga Plug-in Hybrid 33rd for lowest fuel cost.

The powertrains differ: the Aston Martin DBX 707 is a conventional gas model, while the Bentley Bentayga Plug-in Hybrid is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2023 Aston Martin DBX 707 or the 2023 Bentley Bentayga Plug-in Hybrid?

Measured by cost to drive, the Bentley Bentayga Plug-in Hybrid. The Aston Martin DBX 707 is rated 17 MPG combined and the Bentley Bentayga Plug-in Hybrid 47 MPGe + 20 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 Aston Martin DBX 707 vs. the Bentley Bentayga Plug-in Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $3,485 for the Aston Martin DBX 707 and $2,435 for the Bentley Bentayga Plug-in Hybrid.

Aston Martin DBX 707 vs Bentley Bentayga Plug-in Hybrid in other years

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