Toyota Highlander vs Porsche Cayenne

The Toyota Highlander is the more efficient of the two: it reaches 36 mpg combined versus 24 mpg for the Porsche Cayenne, a 12 mpg advantage and costs about $1,600 less per year to fuel.

Across 5 measured categories, the Toyota Highlander leads in 4. Figures are EPA test data, not manufacturer claims.

2015–2026

Toyota Highlander

Standard Sport Utility Vehicle 4WD · 72 configurations

36mpg combined (best)
All Toyota Highlander specs

2015–2026

Porsche Cayenne

Standard Sport Utility Vehicle 4WD · 97 configurations

24mpg combined (best)
All Porsche Cayenne specs

Head-to-head specifications

MetricToyota HighlanderPorsche Cayenne
Best combined MPG36 mpg24 mpg
Best city MPG36 mpg21 mpg
Best highway MPG35 mpg29 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$1,700$3,300
Lowest CO2 output245 g/mi174 g/mi
Engines offeredSIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, SIDI & PFI; with Stop-startSIDI, SIDI; PHEV, 4.0, 3.0
TransmissionsAutomatic (AV-S6), Automatic (S8), Automatic (S6)Automatic (S8), Automatic (AM8)
DrivetrainsAll-Wheel Drive, Front-Wheel DriveAll-Wheel Drive
Fuel typesRegularPremium, Premium and Electricity, Premium Gas or Electricity
EPA classStandard Sport Utility Vehicle 4WDStandard Sport Utility Vehicle 4WD
Years covered2015–20262015–2026
Configurations on record7297

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Highlander vs Cayenne: common questions

Which is better on gas, the Toyota Highlander or the Porsche Cayenne?

The Toyota Highlander is the more efficient of the two: it reaches 36 mpg combined versus 24 mpg for the Porsche Cayenne, a 12 mpg advantage and costs about $1,600 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Toyota Highlander runs about $1,700 a year in fuel at its most efficient configuration, versus about $3,300 for the Porsche Cayenne — a difference of roughly $1,600 per year.

What engines do the Highlander and Cayenne offer?

Toyota Highlander: SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, SIDI & PFI; with Stop-start. Porsche Cayenne: SIDI, SIDI; PHEV, 4.0, 3.0.

Are they in the same vehicle class?

Yes — the EPA classifies both the Toyota Highlander and the Porsche Cayenne as Standard Sport Utility Vehicle 4WD, so they compete directly.

More Highlander comparisons

Comparison id: toyota-highlander-vs-porsche-cayenne