Defender P400e PHEV Long-Term Test: Performance & Efficiency

The Land Rover Defender P400e plug-in hybrid represents a bold evolution of an automotive legend, blending rugged capability with electrified efficiency. Over several months and thousands of miles, this long-term evaluation uncovers how the PHEV variant performs in diverse scenarios, from urban commutes to demanding off-road trails and heavy towing duties. With a combined output delivering sports-car acceleration and official economy figures exceeding 80mpg, the question is whether real-world results match the promise.

Powertrain Breakdown: Engine, Battery, and Performance

At the heart of the Defender P400e lies a sophisticated plug-in hybrid system pairing a 2.0-litre turbocharged four-cylinder petrol engine with an electric motor and a 19.2kWh lithium-ion battery pack. The petrol unit alone generates 296bhp, but integrated with the electric boost, total system power reaches 399bhp, enabling a 0-60mph sprint in just 5.4 seconds—faster than many traditional sports cars. This setup propels the Defender to electrified top speeds of up to 87mph in EV mode, making it versatile for both city silence and highway overtakes.

Real-world acceleration feels immediate, thanks to the electric motor’s instant torque, providing a perkier response than even the V8 models. Off-road, this low-end pull enhances traction on slippery inclines, while towing benefits from the seamless power delivery. However, the PHEV’s braked towing limit stands at 3,000kg, reduced from 3,720kg on non-hybrid Defenders due to battery placement.

Real-World Efficiency and Charging Realities

Land Rover claims up to 85.3mpg and CO2 emissions as low as 76g/km for the P400e, figures that hinge on regular charging and short trips. In our extended test, starting at 3,119 miles with an average of 32.2mpg, efficiency held steady for mixed driving but climbed with consistent plugging in for brief electric-only runs. Urban cycles yielded close to the advertised 27-mile EV range, though longer motorway hauls dropped it to around 20 miles due to aerodynamic drag.

Charging demands discipline: a standard 3-pin domestic socket takes about seven hours for a full charge, while a 7kW wallbox halves that to three hours. Uniquely among PHEVs, the Defender supports DC rapid charging, achieving 80% in 30 minutes—ideal for impromptu top-ups, though it may irk pure EV owners at public stations. Modes like ‘Smart’ intelligently blend petrol and electric power, minimizing fuel use without driver intervention.

• Domestic 3-pin: 0-100% in 7 hours
• Wallbox (7kW): 0-100% in 3 hours
• DC Rapid: 0-80% in 30 minutes

By 12,930 miles, our test vehicle’s economy reflected disciplined charging habits, outperforming some diesel siblings on short loops while trailing rivals like BMW or Mercedes PHEVs in pure figures.

On-Road Dynamics: Comfort Meets Command

Despite its boxy, adventure-ready stance, the Defender P400e excels on tarmac. Air suspension smooths out imperfections, delivering a compliant ride that rivals premium SUVs. The added battery weight slightly raises the center of gravity, but handling remains planted, with precise steering and minimal body roll in corners.

Braking feels natural, blending regenerative deceleration with friction brakes seamlessly—no jarring transitions common in lesser hybrids. Cabin noise is hushed in EV mode, with only a refined engine hum intruding during petrol operation. For families, the spacious interior accommodates five comfortably, with 786 litres of boot space (expandable to 2,318 litres) proving practical for gear-hauling.

Off-Road Supremacy with Electric Twist

The Defender’s heritage shines off the beaten path. The P400e’s electric torque aids low-speed crawling, enhancing grip on mud, rocks, and sand. All-wheel drive, multiple terrain modes, and features like Wade Sensing maintain legendary prowess, undiminished by hybridization. Our test included steep inclines and water crossings, where instant power prevented wheel spin.

Towing a 3,000kg trailer revealed stability, with the hybrid’s low-end shove making launches effortless. However, the reduced capacity compared to diesels means checking specs for heavy-duty needs.

Technology and Infotainment Insights

The Pivi Pro system anchors the cabin tech, with a crisp 11.4-inch touchscreen responsive to swipes and voice commands. Wireless Apple CarPlay and Android Auto integrate smoothly, while over-the-air updates keep software fresh. Digital instrument cluster and head-up display reduce distraction.

Drawbacks include occasional infotainment lag under heavy load and a missing heated steering wheel in some trims—odd for a vehicle built for harsh weather. Safety suite shines with adaptive cruise, lane-keeping, and 360-degree cameras aiding tight maneuvers.

Ownership Costs and Practicality

Company car drivers benefit from low 8% BiK tax rates thanks to sub-80g/km emissions. Private owners see running costs drop with home charging, potentially under 10p per mile on electricity alone. Reliability held up over 12,000+ miles, with no major issues beyond routine servicing.

Boot versatility suits weekend warriors: fold-flat seats create a vast cargo area, and optional accessories like roof rails enhance utility. Fuel tank capacity (90 litres) supports 500+ mile ranges when hybridized optimally.

Pros and Cons at a Glance

FAQ

How far can the Defender P400e go on electric power alone?

Official WLTP figures quote up to 27 miles, with real-world tests confirming 20-25 miles depending on conditions and driving style.

Is the P400e suitable for towing?

Yes, up to 3,000kg braked, though non-hybrids handle more. Electric torque excels in low-speed pulls.

What’s the charging time for the battery?

Three-pin: 7 hours; wallbox: 3 hours; DC rapid: 30 minutes to 80%.

Does hybridization affect off-road performance?

No—electric instant torque enhances it, maintaining full Defender capabilities.

How does fuel economy compare to diesel Defenders?

PHEV can exceed diesels with regular charging (32+ mpg tested), but pure petrol use matches them.

Final Verdict: A Forward-Thinking Defender

The P400e PHEV transforms the Defender into a multifaceted powerhouse, balancing zero-emission urban runs with long-haul flexibility and uncompromised terrain conquest. While charging infrastructure and towing limits warrant consideration, its blend of performance, efficiency, and luxury cements it as a top electrified SUV choice. Ideal for those embracing hybrid motoring without sacrificing adventure.