Infiniti QX80 vs Land Rover Defender

The Land Rover Defender is the more efficient of the two: it reaches 20 mpg combined versus 18 mpg for the Infiniti QX80, a 2 mpg advantage and costs about $400 less per year to fuel.

Across 5 measured categories, the Land Rover Defender leads in 5. Figures are EPA test data, not manufacturer claims.

2015–2027

Infiniti QX80

Standard Sport Utility Vehicle 4WD · 30 configurations

18mpg combined (best)
All Infiniti QX80 specs

2020–2026

Land Rover Defender

Standard Sport Utility Vehicle 4WD · 54 configurations

20mpg combined (best)
All Land Rover Defender specs

Head-to-head specifications

MetricInfiniti QX80Land Rover Defender
Best combined MPG18 mpg20 mpg
Best city MPG16 mpg18 mpg
Best highway MPG20 mpg23 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$4,200$3,800
Lowest CO2 output504 g/mi444 g/mi
Engines offeredSIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weightSIDI; Mild Hybrid, SIDI
TransmissionsAutomatic (S9), Automatic (S7)Automatic (S8)
Drivetrains4-Wheel Drive, Rear-Wheel Drive4-Wheel Drive
Fuel typesPremiumPremium
EPA classStandard Sport Utility Vehicle 4WDStandard Sport Utility Vehicle 4WD
Years covered2015–20272020–2026
Configurations on record3054

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

QX80 vs Defender: common questions

Which is better on gas, the Infiniti QX80 or the Land Rover Defender?

The Land Rover Defender is the more efficient of the two: it reaches 20 mpg combined versus 18 mpg for the Infiniti QX80, a 2 mpg advantage and costs about $400 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Land Rover Defender runs about $3,800 a year in fuel at its most efficient configuration, versus about $4,200 for the Infiniti QX80 — a difference of roughly $400 per year.

What engines do the QX80 and Defender offer?

Infiniti QX80: SIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weight. Land Rover Defender: SIDI; Mild Hybrid, SIDI.

Are they in the same vehicle class?

Yes — the EPA classifies both the Infiniti QX80 and the Land Rover Defender as Standard Sport Utility Vehicle 4WD, so they compete directly.

More QX80 comparisons

Comparison id: infiniti-qx80-vs-land-rover-defender