2015 head-to-head · Midsize & Large SUV
2015 Lincoln Navigator vs Porsche Cayenne 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.
AWD · 3.0L 6-cyl turbo · 8-speed automatic · 23 MPG
The 2015 Porsche Cayenne Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, it costs about $2,413 a year to fuel (23 MPG), versus $2,583 for the 2015 Lincoln Navigator (18 MPG). That's roughly $170 a year, or about $851 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
- Lincoln Navigator
- Porsche Cayenne Diesel
Side by side
| Lincoln Navigator | Porsche Cayenne Diesel | |
|---|---|---|
| $2,583 | Your annual fuel cost | $2,413 |
| 18 MPG | Combined efficiency | 23 MPG |
| 16 MPG | City | 20 MPG |
| 22 MPG | Highway | 29 MPG |
| 491 g/mi | Tailpipe CO₂ (g/mi) | 445 g/mi |
| 4/10 | EPA fuel economy score | 5/10 |
| 4/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Diesel |
| Regular gasoline | Fuel | Diesel |
| 3.5L 6-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 6-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.
Lincoln Navigator vs Porsche Cayenne Diesel across model years
- Lincoln Navigator
- Porsche Cayenne 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
Among 45 2015 midsize & large SUVs, the Lincoln Navigator ranks 27th and the Porsche Cayenne Diesel 14th for lowest fuel cost.
The powertrains differ: the Lincoln Navigator is a conventional gas model, while the Porsche Cayenne Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2015 Lincoln Navigator or the 2015 Porsche Cayenne Diesel?
Measured by cost to drive, the Porsche Cayenne Diesel. The Lincoln Navigator is rated 18 MPG combined and the Porsche Cayenne Diesel 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Lincoln Navigator vs. the Porsche Cayenne Diesel per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $2,583 for the Lincoln Navigator and $2,413 for the Porsche Cayenne Diesel.
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