GMC Acadia vs Land Rover Discovery: Specs Compared

Also searched as Land Rover Discovery vs GMC Acadia specs — both orientations show this same side-by-side comparison.

The GMC Acadia is the more efficient of the two: it reaches 25 mpg combined versus 23 mpg for the Land Rover Discovery, a 2 mpg advantage and costs about $1,000 less per year to fuel.

Across 5 measured categories, the GMC Acadia leads in 5. Figures are EPA test data, not manufacturer claims.

2015–2027

GMC Acadia

Standard Sport Utility Vehicle 2WD · 44 configurations

25mpg combined (best)
All GMC Acadia specs

2015–2026

Land Rover Discovery

Standard Sport Utility Vehicle 4WD · 34 configurations

23mpg combined (best)
All Land Rover Discovery specs

Head-to-head specifications

MetricGMC AcadiaLand Rover Discovery
Best combined MPG25 mpg ✓23 mpg
Best city MPG22 mpg ✓21 mpg
Best highway MPG29 mpg ✓26 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$2,450 ✓$3,450
Lowest CO2 output349 g/mi ✓395 g/mi
Engines offeredSIDISIDI, SIDI; Mild Hybrid, 3.0
TransmissionsAutomatic 8-spd, Automatic 9-spd, Automatic 6-spdAutomatic (S9), Automatic (S8)
DrivetrainsAll-Wheel Drive, Front-Wheel DriveAll-Wheel Drive, 4-Wheel Drive
Fuel typesRegularPremium, Diesel
EPA classStandard Sport Utility Vehicle 2WDStandard Sport Utility Vehicle 4WD
Years covered2015–20272015–2026
Configurations on record4434

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

GMC Acadia vs Land Rover Discovery dimensions and size

The GMC Acadia is 8.7 inches longer than the Land Rover Discovery on a wheelbase 5.9 inches longer, and 343.9 lbs lighter. At over 200 inches, the larger of the two is past the comfortable limit of a standard 192-inch single garage bay once you allow walking room.

GMC Acadia versus Land Rover Discovery exterior dimensions
DimensionGMC Acadia (2026)Land Rover Discovery (2026)Difference
Length203.9 in195.3 in8.7 in
Width (excl. mirrors)79.5 in78.3 in1.2 in
Height70.9 in74.4 in3.5 in
Wheelbase120.9 in115 in5.9 in
Curb weight4,502 lbs4,846 lbs344 lbs

Width excludes mirrors; add 8–12 inches for mirrors out. Figures are for the newest model year on record for each vehicle. See both drawn to scale.

GMC Acadia vs Land Rover Discovery: what the numbers mean

Running cost over five years: at the EPA's 15,000-mile-a-year assumption the GMC Acadia burns about $2,450 of fuel annually against $3,450 for the Land Rover Discovery. That $1,000 yearly gap compounds to roughly $5,000 over five years and $8,000 over eight — often more than the price difference between two trims of the same vehicle, and the single largest running-cost line item separating these two.

City and highway economy: the GMC Acadia leads in both cycles — 22 mpg city and 29 mpg highway against 21 and 26 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.

Powertrain choice: the GMC Acadia is recorded with 1 distinct engine configuration (SIDI), the Land Rover Discovery with 3 (SIDI, SIDI; Mild Hybrid, 3.0). Across 44 recorded GMC Acadia configurations and 34 for the Land Rover Discovery, the wider the engine spread the more the real-world fuel efficiency depends on which version you actually buy, so check the specific model year and drivetrain rather than the headline number.

Drivetrain and class: the GMC Acadia is offered with All-Wheel Drive, Front-Wheel Drive, the Land Rover Discovery with All-Wheel Drive, 4-Wheel Drive. All-wheel drive typically costs one to two mpg combined against the same vehicle in front- or rear-wheel drive, which is worth remembering when the gap between these two is small. The EPA classes them as Standard Sport Utility Vehicle 2WD and Standard Sport Utility Vehicle 4WD respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.

Tailpipe emissions: at their cleanest configurations the GMC Acadia emits 349 g/mile of CO2 versus 395 g/mile for the Land Rover Discovery. Emissions track fuel consumption almost exactly, so the cleaner vehicle here is also the cheaper one to fuel.

Acadia vs Discovery: common questions

Which is better on gas, the GMC Acadia or the Land Rover Discovery?

The GMC Acadia is the more efficient of the two: it reaches 25 mpg combined versus 23 mpg for the Land Rover Discovery, a 2 mpg advantage and costs about $1,000 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the GMC Acadia runs about $2,450 a year in fuel at its most efficient configuration, versus about $3,450 for the Land Rover Discovery — a difference of roughly $1,000 per year.

What engines do the Acadia and Discovery offer?

GMC Acadia: SIDI. Land Rover Discovery: SIDI, SIDI; Mild Hybrid, 3.0.

Are they in the same vehicle class?

The EPA classifies the GMC Acadia as Standard Sport Utility Vehicle 2WD and the Land Rover Discovery as Standard Sport Utility Vehicle 4WD, so they aren't a like-for-like match on size.

More Acadia comparisons

More Discovery comparisons

Comparison id: gmc-acadia-vs-land-rover-discovery