7 full size suvs that are also great on gasFull-sized SUVs provide incredible utility for hauling large families and towing heavy cargo, but their sheer size usually comes with a steep penalty at the gas pump. Fortunately, modern powertrain technology-from high-efficiency twin-turbo V6s to advanced hybrids and frugal diesels-has made reaching 20+ mpg on the highway an achievable benchmark for many full-size models.If you are shopping in the $60,000 to $150,000 range, here are 7 of the most fuel-efficient full-sized SUVs on sale today, ranked by their peak EPA-estimated highway fuel economy:7 full size suvs that are also great on gas1. Chevrolet Suburban (Duramax Diesel)Highway MPG: 24 to 26 mpgStarting MSRP: $75,490 – $88,495 (+$2,795 Destination)The Reality: Taking the top spot for overall full-size fuel economy, the Suburban achieves an EPA-estimated 26 mpg highway in rear-wheel-drive configuration (24 mpg with 4WD). Powered by GM's 3.0-liter Duramax turbo-diesel inline-six producing 305 horsepower and 495 lb-ft of torque, it pairs incredible long-distance highway range with massive interior cargo volume. Inside, it features a massive 17.7-inch Google-based central touchscreen, an 11-inch digital driver display, and available luxury options like a power-sliding center console and Bose surround sound.7 full size suvs that are also great on gas2. BMW X7 xDrive40iHighway MPG: 25 mpgStarting MSRP: $87,500 (+$1,550 Destination)The Reality: Proof that pure gasoline powertrains can still deliver exceptional highway frugality, BMW's flagship X7 xDrive40i achieves an impressive 25 mpg highway. Its 3.0-liter turbocharged inline-six works alongside a 48-volt mild-hybrid setup to output 375 horsepower and 398 lb-ft of torque via standard all-wheel drive. The luxurious three-row cabin offers seating for up to seven, standard four-zone climate control, a panoramic sunroof, and a curved display housing a 14.9-inch infotainment screen alongside a 12.3-inch driver cluster.7 full size suvs that are also great on gas3. Toyota SequoiaHighway MPG: 22 to 24 mpgStarting MSRP: $65,725 – $86,135 (+$2,195 Destination)The Reality: As one of the few standard hybrid full-size SUVs on the market, Toyota's largest utility vehicle generates a massive 437 horsepower and 583 lb-ft of torque from its i-Force Max twin-turbo 3.4-liter V6 hybrid setup. Rear-wheel-drive variants reach up to 24 mpg on the highway, while 4WD models deliver 22 mpg. Available in seven- or eight-passenger configurations, the Sequoia blends Toyota's legendary reliability with tech features like an available 14-inch touchscreen, panoramic roof, and adaptive air suspension.7 full size suvs that are also great on gas4. Jeep Grand WagoneerHighway MPG: 23 to 24 mpgStarting MSRP: $65,000 – $101,400 (+$2,795 Destination)The Reality: Anchoring the top end of Jeep's lineup, the Grand Wagoneer draws power from Stellantis' 3.0-liter twin-turbo Hurricane inline-six engine, churning out 420 horsepower and 468 lb-ft of torque. In rear-wheel-drive form, it returns 24 mpg on the highway, dropping slightly to 23 mpg when equipped with four-wheel drive. The plush interior offers rich material quality, standard three-row room, massaging front seats, a 10.1-inch infotainment display, and an available Alpine audio system.7 full size suvs that are also great on gas5. Lincoln NavigatorHighway MPG: 22 to 23 mpgStarting MSRP: $89,995 – $114,995 (+$2,895 Destination)The Reality: Lincoln's ultra-luxury flagship utilizes a high-output 3.5-liter twin-turbo V6 sending 440 horsepower and 510 lb-ft of torque through a 10-speed automatic transmission. The setup returns 23 mpg highway in RWD and 22 mpg with 4WD. To justify its luxury price tag, the cabin treats occupants to an expansive 4-foot dashboard display screen, a 28-speaker Revel audio system, ambient lighting, and heated, ventilated, and massaging seating across the first two rows.7 full size suvs that are also great on gas6. Ford Expedition MaxHighway MPG: 22 to 23 mpgStarting MSRP: $63,600 – $82,695 (+$2,795 Destination)The Reality: Adding nearly a foot of total length over the standard Expedition, the Max trim maximizes cargo room behind the third row while matching the Navigator's highway fuel economy figures (23 mpg RWD / 22 mpg 4WD). Driven by a 3.5-liter EcoBoost V6 making 400 horsepower (or an available 440 hp tune), it packs practical features like a 13.2-inch infotainment screen, a 24-inch panoramic driver display, and a 360-degree camera system.7 full size suvs that are also great on gas7. Lexus LX 700hHighway MPG: 22 mpgStarting MSRP: $108,550 – $143,050 (+$1,450 Destination)The Reality: The most expensive full-size offering on this list, the LX 700h features a high-output version of Toyota's twin-turbo 3.4-liter V6 hybrid powertrain making 457 horsepower. Offered strictly with four-wheel drive, the LX matches the 22 mpg highway rating of its 4WD Toyota Sequoia sibling. Luxury is the primary focus here, featuring a 12.3-inch primary display, a 25-speaker Mark Levinson audio system, and an ultra-exclusive four-seat VIP configuration on top-spec trims.Become an AutoGuide insider. Get the latest from the automotive world first by subscribing to our newsletter.
