GMC Yukon vs Toyota 4Runner

The GMC Yukon and Toyota 4Runner are evenly matched on fuel economy — both peak at 23 mpg combined — so the decision comes down to engine choice, drivetrain, and class.

Across 4 measured categories, the Toyota 4Runner leads in 3. Figures are EPA test data, not manufacturer claims.

2015–2026

GMC Yukon

Standard Sport Utility Vehicle 4WD · 164 configurations

23mpg combined (best)
All GMC Yukon specs

2015–2026

Toyota 4Runner

Standard Sport Utility Vehicle 4WD · 42 configurations

23mpg combined (best)
All Toyota 4Runner specs

Head-to-head specifications

MetricGMC YukonToyota 4Runner
Best combined MPG23 mpg23 mpg
Best city MPG21 mpg23 mpg
Best highway MPG27 mpg26 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$3,250$2,650
Lowest CO2 output437 g/mi380 g/mi
Engines offered3.0, SIDI, SIDI; Stop-Start, SIDI; FFVSIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, 4.0
TransmissionsAutomatic 10-spd, Automatic 6-spd, Automatic 8-spdAutomatic (S8), Automatic (S5)
Drivetrains4-Wheel Drive, Rear-Wheel Drive4-Wheel Drive, Part-time 4-Wheel Drive, Rear-Wheel Drive
Fuel typesDiesel, Regular, PremiumRegular
EPA classStandard Sport Utility Vehicle 4WDStandard Sport Utility Vehicle 4WD
Years covered2015–20262015–2026
Configurations on record16442

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

Yukon vs 4Runner: common questions

Which is better on gas, the GMC Yukon or the Toyota 4Runner?

The GMC Yukon and Toyota 4Runner are evenly matched on fuel economy — both peak at 23 mpg combined — so the decision comes down to engine choice, drivetrain, and class.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Toyota 4Runner runs about $2,650 a year in fuel at its most efficient configuration, versus about $3,250 for the GMC Yukon — a difference of roughly $600 per year.

What engines do the Yukon and 4Runner offer?

GMC Yukon: 3.0, SIDI, SIDI; Stop-Start, SIDI; FFV. Toyota 4Runner: SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, 4.0.

Are they in the same vehicle class?

Yes — the EPA classifies both the GMC Yukon and the Toyota 4Runner as Standard Sport Utility Vehicle 4WD, so they compete directly.

More Yukon comparisons

Comparison id: gmc-yukon-vs-toyota-4runner