16 MPG combined is not a number that phases a prospective owner of the 2025 Land Rover Defender 110 with the supercharged 5.0L V8. This is a vehicle purchased for its singular blend of go-anywhere capability, undeniable luxury, and, critically, an engine that delivers truly exhilarating performance with an exhaust note to match. This isn’t a family hauler where every tenth of an MPG is scrutinized; it’s a statement, a lifestyle choice, and its fuel consumption is a known quantity and an accepted part of its charismatic personality. For those who understand the Defender V8’s mission, its thirst is simply part of the deal for unleashing 518 horsepower in a vehicle that can traverse continents.

City and highway performance

Looking at the official EPA figures, the 2025 Defender 110 5.0L 8-cyl registers 14 MPG in city driving and 18 MPG on the highway. That 14 MPG in urban environments is a direct consequence of the V8’s substantial displacement, the vehicle’s considerable curb weight, and the energy required to accelerate it from a standstill. Stop-and-go traffic, the bane of any large-displacement engine, will see the fuel gauge drop steadily. On the open road, at steady cruising speeds, the picture improves slightly to 18 MPG. The 8-speed automatic transmission, while excellent at managing the V8’s power delivery, can only do so much against the forces of aerodynamics and mass. Long highway hauls are more forgiving, but don’t expect Prius-like range; frequent fuel stops will be part of the adventure. This is a vehicle built to conquer terrain, not necessarily to sip fuel on a cross-country sprint, though it handles both with an impressive level of refinement.

Annual fuel cost

The EPA’s estimated annual fuel cost for the 2025 Land Rover Defender 110 5.0L 8-cyl stands at a precisely calculated $3,600. This figure is based on a standardized methodology assuming 15,000 miles of driving per year, split 55% city and 45% highway, and using national average fuel prices, which the EPA regularly updates. For a Defender V8 owner, this specific dollar amount represents a tangible commitment. It informs potential buyers that, beyond the significant purchase price, there’s a substantial ongoing operational cost directly tied to its consumption. Recognizing this upfront helps owners budget appropriately, understanding that the powerful V8, while incredibly rewarding, comes with a corresponding running expense. It’s a key piece of information for anyone considering ownership, illustrating the financial reality of maintaining such a high-performance, capable SUV.

Real-world expectations

In the real world, owners of the Defender 110 V8 often report figures closely mirroring the EPA’s estimates. Pushing the accelerator to uncork that glorious V8 howl, especially during spirited off-road excursions or quick highway overtakes, will see the MPG dip below the 16 combined figure. Conversely, a disciplined driver maintaining steady speeds on flat terrain might occasionally nudge above the highway estimate, but such instances are the exception rather than the norm. The Defender V8’s weight, its all-wheel-drive system, and the sheer power on tap are constant factors influencing fuel consumption. Its owners expect to pay more at the pump because they are investing in a driving experience and capability that few other vehicles can match. Sacrificing fuel economy for commanding performance and unparalleled adventure is a trade-off many are more than willing to make. For more on Land Rover’s broader efficiency picture, check all Land fuel economy data.

How it compares

The 2025 Defender 110 V8’s fuel economy places it squarely among other high-performance, luxury off-roaders and large SUVs. Consider the Mercedes-Benz G 63 AMG, a direct rival in capability and prestige, which typically delivers an equally thirsty 13 MPG combined (11 city / 16 highway) from its twin-turbo V8. The Lexus LX 600, while less performance-oriented, offers an improved 19 MPG combined (17 city / 22 highway) from its V6 twin-turbo setup. Even the more tarmac-focused BMW X5 M Competition, another powerful V8 performer, manages a similar 15 MPG combined (13 city / 18 highway). These comparisons highlight that the Defender V8’s fuel economy is par for the course within its niche. Buyers in this segment aren’t cross-shopping with hybrid crossovers; they are looking at powerful, luxurious, and capable vehicles where the focus is on performance and presence, not necessarily on MPG supremacy. For a broader look at ROVER MPG across all years, our database is a valuable resource.

Tips to maximize efficiency

Maintaining consistent throttle input is important. The Defender 110 V8 responds immediately to demands for power, and frequent heavy acceleration will quickly deplete the fuel tank; a smoother, more deliberate driving style significantly helps.

Regular maintenance, including proper tire pressure and timely oil changes with the correct synthetic oil, ensures the powerful V8 operates at its peak efficiency, reducing unnecessary drag or friction within the engine.

Removing unnecessary weight from the vehicle, such as roof racks when not in use, and avoiding carrying excessive cargo can slightly improve fuel economy by reducing the effort required to move the Defender.

Anticipating traffic and road conditions allows for less braking and accelerating, maintaining momentum more effectively. This “hypermiling” approach, while not revolutionary, makes a discernible difference.

Use the automatic stop/start function if equipped and if driving in frequent stop-and-go conditions. While perhaps not a massive saving, every small contribution helps curb the V8’s appetite.