19 MPG combined tells only part of the 2025 Land Rover Defender 130 P400 MHEV’s story tied to its imposing size, undeniable capability, and the adventurous spirit of its owners. This isn’t a vehicle bought for its Prius-beating efficiency; it’s a meticulously engineered, luxury off-roader designed to carry up to eight occupants and their gear through challenging terrain, cross continents, or simply command attention on the school run. The P400’s inline-six engine, augmented by mild-hybrid technology, works tirelessly to move nearly three tons of steel, aluminum, and leather, making its sub-20 MPG combined rating not just understandable, but arguably impressive given its mission.

City and highway performance

The Defender 130 P400 MHEV’s EPA ratings reveal 18 MPG in the city and 20 MPG on the highway. The marginal difference between city and highway figures might surprise some, but it’s a direct consequence of the Defender’s aerodynamic profile, or lack thereof, and its inherent weight. In stop-and-go city driving, the mild-hybrid system, specifically the integrated starter-generator and 48V battery, works to recapture braking energy and provide a subtle electric boost during acceleration, helping to mitigate some of the traditional losses associated with city driving in a large vehicle. This often manifests as smoother auto start/stop functionality and reduced strain on the engine during initial take-off. When the Defender 130 hits the open road, its substantial mass and brick-like frontal area become the primary headwinds, quite literally. While the 8-speed automatic transmission is adept at finding the most efficient gear, and the inline-six offers ample torque, maintaining speed against such resistance prevents significant gains over city driving. For the long-distance adventurer or the family whose weekend excursions often involve extended highway stretches, planning fuel stops accordingly is simply part of the Defender lifestyle. For more details on other Land Rover vehicles, check out all Land fuel economy data.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 Land Rover Defender 130 P400 MHEV at $3,050. This figure is based on a standard assumption of 15,000 miles driven per year, split between 45% highway and 55% city driving, and uses national average fuel prices, which fluctuate over time. For the individual or family investing in a vehicle with a starting MSRP approaching $70,000, and often significantly higher with optional extras, a $3,050 annual fuel cost is typically seen as a reasonable operational expense, not a prohibitive barrier. Defender 130 owners prioritize capability, luxury, and the unique Land Rover experience over absolute fuel economy. The price of premium fuel, often recommended for optimal performance in these engines, will further influence this actual cost. While significant, it aligns with expectations for a large, powerful, and capable luxury SUV.

Real-world expectations

In real-world driving, owners of the 2025 Land Rover Defender 130 P400 MHEV can expect to see figures that closely reflect the EPA estimates, assuming a relatively balanced driving style. However, the Defender’s performance envelope encourages varied use, and this can significantly impact observed MPG. Aggressive driving, frequent use of the vehicle’s immense towing capacity (up to 8,201 lbs), or prolonged off-road excursions will inevitably pull the actual fuel economy lower. Climbing steep inclines, navigating challenging trails requiring low-range gearing, or even carrying a full complement of eight passengers and their luggage for extended periods, all demand more from the P400 engine and thus consume more fuel. Conversely, diligent use of cruise control on flat highway stretches and anticipating traffic in urban environments might nudge the figures slightly higher. The key takeaway for Defender 130 owners is that this vehicle’s ultimate mission is not efficiency, but capability and comfort. Fuel consumption is a consideration, but rarely the primary one for its buyers. To learn about ROVER MPG across all years, explore ROVER MPG across all years.

How it compares

Comparing the Defender 130 P400’s 19 MPG combined directly against its luxury three-row SUV rivals highlights its segment-specific positioning. The Mercedes-Benz GLS 450, a close competitor in terms of luxury and size, also using a mild-hybrid 3.0L inline-six, achieves a slightly better 21 MPG combined (19 city/23 highway). The BMW X7 xDrive40i, similarly equipped, also tops the Defender with 22 MPG combined (20 city/24 highway). Even the Lexus LX 600, with its twin-turbo V6, manages 19 MPG combined (17 city/22 highway), identical to the Defender 130. Where the Defender truly differentiates itself is in its authentic off-road prowess and expedition-ready design, areas where the GLS and X7, while capable, are generally not as specialized. The Defender owner accepts the slightly lower or equivalent fuel economy because they are buying into a specific, rugged luxury experience that none of its competitors can fully replicate. They prioritize the Defender’s unmatched iconic styling, its incredible approach and departure angles, and the genuine sense of adventure it inspires, even if those attributes come with a modest fuel economy trade-off compared to its more pavement-oriented European rivals.

Tips to maximize efficiency

Maintaining proper tire pressure is important for fuel economy in a vehicle as heavy as the Defender 130. Underinflated tires increase rolling resistance, forcing the engine to work harder and consuming more fuel. Check pressure regularly, especially before long trips or after significant temperature changes.

Given the Defender 130 P400’s powerful engine and substantial torque, consciously moderating your acceleration can yield noticeable fuel savings. Smooth, gradual increases in speed, rather than aggressive stomping on the accelerator, prevents unnecessary strain on the engine and over-consumption of fuel.

Remove any unneeded rooftop carriers, cargo boxes, or bulky accessories when not in use. The Defender 130 already presents significant aerodynamic resistance, and adding external attachments only exacerbates the issue, creating more drag and decreasing fuel efficiency, particularly at highway speeds.

Plan routes efficiently, especially in urban environments. The mild-hybrid system provides benefits in stop-and-go traffic, but minimizing sudden braking and acceleration by anticipating traffic flow helps the system operate more effectively and reduces overall fuel consumption.