2016 head-to-head · Midsize & Large SUV
2016 Cadillac SRX 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.
AWD · 3.0L 6-cyl supercharged · 8-speed dual-clutch · 47 MPGe + 22 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, the most efficient 2016 Cadillac SRX (19 MPG) costs about $2,447 a year to fuel and the 2016 Porsche Cayenne Plug-in Hybrid (47 MPGe + 22 MPG) about $2,389.
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 SRX
- Porsche Cayenne Plug-in Hybrid
Side by side
| Cadillac SRX | Porsche Cayenne Plug-in Hybrid | |
|---|---|---|
| $2,447 | Your annual fuel cost | $2,389 |
| 19 MPG | Combined efficiency | 47 MPGe + 22 MPG |
| 17 MPG | City | 48 MPGe / 21 MPG |
| 24 MPG | Highway | 46 MPGe / 24 MPG |
| — | Electricity use (kWh/100 mi) | 69 kWh |
| — | Driving range | 480 mi |
| — | All-electric range | 14 mi |
| 101 cu ft | Passenger volume | — |
| 30 cu ft | Cargo volume | — |
| 462 g/mi | Tailpipe CO₂ (g/mi) | 260 g/mi |
| 4/10 | EPA fuel economy score | 6/10 |
| 4/10 | EPA greenhouse gas score | 8/10 |
| — | Charge time at 240V | 3 hrs |
| Gas | Powertrain | Plug-in hybrid |
| Regular gasoline | Fuel | Premium gas + electricity |
| 3.6L 6-cyl | Engine / motor | 3.0L 6-cyl supercharged |
| 6-speed automatic | Transmission | 8-speed dual-clutch |
| FWD | 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 SRX vs Porsche Cayenne Plug-in Hybrid across model years
- Cadillac SRX
- 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 44 2016 midsize & large SUVs, the Cadillac SRX ranks 21st and the Porsche Cayenne Plug-in Hybrid 16th for lowest fuel cost.
The powertrains differ: the Cadillac SRX is a conventional gas model, while the Porsche Cayenne Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2016 Cadillac SRX or the 2016 Porsche Cayenne Plug-in Hybrid?
Measured by cost to drive, the Porsche Cayenne Plug-in Hybrid. The Cadillac SRX is rated 19 MPG combined and the Porsche Cayenne Plug-in Hybrid 47 MPGe + 22 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2016 Cadillac SRX vs. the Porsche Cayenne Plug-in Hybrid per year?
At 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, about $2,447 for the Cadillac SRX and $2,389 for the Porsche Cayenne Plug-in Hybrid.
Cadillac SRX vs Porsche Cayenne Plug-in Hybrid in other years
More 2016 comparisons
Cadillac SRX vs…
Porsche Cayenne Plug-in Hybrid vs…
Or compare the 2016 Cadillac SRX with anything else: