2021 head-to-head · Midsize & Large SUV

2021 Cadillac Escalade Diesel vs Porsche Cayenne 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
$2,413/ year to fuel
23 MPG
✓ Cheaper to run
$2,470/ year to fuel
46 MPGe + 21 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.70/gal diesel fuel, 18¢/kWh electricity and $3.95/gal premium gas, the most efficient 2021 Cadillac Escalade Diesel (23 MPG) costs about $2,413 a year to fuel and the 2021 Porsche Cayenne Plug-in Hybrid (46 MPGe + 21 MPG) about $2,470.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Cadillac Escalade Diesel
  • Porsche Cayenne Plug-in Hybrid

Side by side

Cadillac Escalade DieselPorsche Cayenne Plug-in Hybrid
$2,413 Your annual fuel cost $2,470
23 MPG Combined efficiency 46 MPGe + 21 MPG
21 MPG City 45 MPGe / 20 MPG
27 MPG Highway 48 MPGe / 22 MPG
— Electricity use (kWh/100 mi) 72 kWh
— Driving range 430 mi
— All-electric range 17 mi
437 g/mi Tailpipe CO₂ (g/mi) 257 g/mi
5/10 EPA fuel economy score 6/10
4/10 EPA greenhouse gas score 7/10
— Charge time at 240V 3 hrs
Diesel Powertrain Plug-in hybrid
Diesel Fuel Premium gas + electricity
3.0L 6-cyl turbo Engine / motor 3.0L 6-cyl turbo
10-speed automatic Transmission 8-speed automatic
RWD 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.

Cadillac Escalade Diesel vs Porsche Cayenne Plug-in Hybrid across model years

  • Cadillac Escalade Diesel
  • Porsche Cayenne 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 65 2021 midsize & large SUVs, the Cadillac Escalade Diesel ranks 23rd and the Porsche Cayenne Plug-in Hybrid 25th for lowest fuel cost.

The powertrains differ: the Cadillac Escalade Diesel is a diesel, while the Porsche Cayenne Plug-in Hybrid is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2021 Cadillac Escalade Diesel or the 2021 Porsche Cayenne Plug-in Hybrid?

Measured by cost to drive, the Cadillac Escalade Diesel. The Cadillac Escalade Diesel is rated 23 MPG combined and the Porsche Cayenne Plug-in Hybrid 46 MPGe + 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Cadillac Escalade Diesel vs. the Porsche Cayenne Plug-in Hybrid per year?

At 15,000 miles a year with $3.70/gal diesel fuel, 18¢/kWh electricity and $3.95/gal premium gas, about $2,413 for the Cadillac Escalade Diesel and $2,470 for the Porsche Cayenne Plug-in Hybrid.

Cadillac Escalade Diesel vs Porsche Cayenne Plug-in Hybrid in other years

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