2020 head-to-head · Midsize & Large SUV
2020 Land Rover Discovery 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.
4WD · 3.0L 6-cyl turbo · 8-speed automatic · 23 MPG
The 2020 Land Rover Discovery Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel, 18¢/kWh electricity and $3.95/gal premium gas, it costs about $2,413 a year to fuel (23 MPG), versus $2,509 for the 2020 Porsche Cayenne Plug-in Hybrid (41 MPGe + 21 MPG). That's roughly $96 a year, or about $482 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
- Land Rover Discovery Diesel
- Porsche Cayenne Plug-in Hybrid
Side by side
| Land Rover Discovery Diesel | Porsche Cayenne Plug-in Hybrid | |
|---|---|---|
| $2,413 | Your annual fuel cost | $2,509 |
| 23 MPG | Combined efficiency | 41 MPGe + 21 MPG |
| 21 MPG | City | 45 MPGe / 20 MPG |
| 26 MPG | Highway | 37 MPGe / 22 MPG |
| — | Electricity use (kWh/100 mi) | 71 kWh |
| — | Driving range | 420 mi |
| — | All-electric range | 14 mi |
| 448 g/mi | Tailpipe CO₂ (g/mi) | 293 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 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 |
| 8-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.
Land Rover Discovery Diesel vs Porsche Cayenne Plug-in Hybrid across model years
- Land Rover Discovery 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 55 2020 midsize & large SUVs, the Land Rover Discovery Diesel ranks 19th and the Porsche Cayenne Plug-in Hybrid 22nd for lowest fuel cost.
The powertrains differ: the Land Rover Discovery 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 2020 Land Rover Discovery Diesel or the 2020 Porsche Cayenne Plug-in Hybrid?
Measured by cost to drive, the Land Rover Discovery Diesel. The Land Rover Discovery Diesel is rated 23 MPG combined and the Porsche Cayenne Plug-in Hybrid 41 MPGe + 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Land Rover Discovery 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 Land Rover Discovery Diesel and $2,509 for the Porsche Cayenne Plug-in Hybrid.
Land Rover Discovery Diesel vs Porsche Cayenne Plug-in Hybrid in other years
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