Land Rover Range Rover trim comparison
2026 Land Rover Range Rover P400 SE vs P550e Autobiography
The Range Rover P400 SE starts at $120,700 while the P550e Autobiography is $159,200. That $38,500 gap buys 6 meaningful differences.
This trim jump changes the engine from 3.0L I6 mild-hybrid to 3.0L I6 phev. Everything else is secondary to whether that powertrain difference matters for how you drive.
Start with the P400 SE if the 3.0L I6 mild-hybrid already feels sufficient for the way you drive. Step up to the P550e Autobiography only when the 3.0L I6 phev powertrain is the reason you are moving higher in the lineup.
Think about this as a monthly tradeoff, not just a sticker gap. The P550e Autobiography adds about $678/month on a typical 60-month loan, or around $40,680 more overall with interest. The payment only makes sense if that different powertrain matters to the way you actually drive, tow, or live with the vehicle.
Lock one trim, change the other side, and move through exact pair pages without resetting back to the full lineup every time.
Who notices the difference
The higher trim starts to make more sense when you are specifically shopping for the stronger powertrain, not just more trim content.
When both feel the same
Both the P400 SE and P550e Autobiography share the same 8-speed shiftable automatic transmission.
The upgrade math
You are paying $38,500 for 5 measurable differences, which works out to about $7,700 per change.
Key Differences at a Glance
This is the fast read: price, power, efficiency, and the feature flips most likely to change the answer.
Every Difference, Side by Side
This is the full read behind the quick decision signals above: the complete hardware, comfort, and equipment story. 6 specification differences, 2 shared.
Full Specification Comparison
Specifications reflect available data as of early 2026. Confirm details with an authorized dealer before purchasing.
| Spec | P400 SE | P550e Autobiography |
|---|---|---|
| Pricing | ||
| MSRP | $120,700 | $159,200 |
| Powertrain | ||
| Engine | 3.0L I6 mild-hybrid | 3.0L I6 phev |
| Horsepower | 395 hp | 543 hp |
| Torque | 406 lb-ft | 590 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | 4WD | 4WD |
| Fuel Economy | ||
| City MPG | 19 | 21 |
| Highway MPG | 24 | 22 |
| Combined MPG | 21 | 21 |
| Fuel Tank | 23.8 gal | 18.9 gal |
| Dimensions | ||
| Curb Weight | 5,600 lbs | 6,025 lbs |
| Wheelbase | 126.0" | 118.0" |
| Length | 207.0" | 198.9" |
| Height | 73.6" | 73.6" |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 4yr/50k | 4yr/50k |
| Corrosion | 6yr/unlimited | 6yr/unlimited |
| Roadside Assistance | 4yr/50k | 4yr/50k |
Data sources: licensed third-party automotive data, EPA fueleconomy.gov, NHTSA, and official manufacturer materials. Values marked est. are estimated.
2026 Land Rover Range Rover P400 SE vs P550e Autobiography Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the Land Rover Range Rover lineup, the Land Rover brand hub, the Full-Size SUVs, the how to pick a trim guide, or our mid-trim value research when you need the bigger shopping path behind this one matchup.
How much more does the 2026 Range Rover P550e Autobiography cost than the P400 SE?
The P550e Autobiography starts at $159,200 compared to $120,700 for the P400 SE. That is a $38,500 difference, or approximately $678/month more on a 60-month loan.
Do the 2026 Land Rover Range Rover P400 SE and P550e Autobiography have the same engine?
No. The P400 SE uses a 3.0L I6 mild-hybrid (395 hp, 406 lb-ft), while the P550e Autobiography has the 3.0L I6 phev (543 hp, 590 lb-ft). That is 148 more horsepower. Both pair with the same 8-speed shiftable automatic.
Do the 2026 Range Rover P400 SE and P550e Autobiography have the same drivetrain?
Yes. Both come with 4WD as standard. The differences between these trims are in features and equipment, not drivetrain.
What warranty does the 2026 Land Rover Range Rover come with?
All 2026 Land Rover Range Rover trims, including both the P400 SE and P550e Autobiography, come with Land Rover's standard warranty: 4yr/50k bumper-to-bumper and 4yr/50k powertrain coverage. Warranty does not vary by trim level.
Is the 2026 Land Rover Range Rover P550e Autobiography worth $38,500 more than the P400 SE?
The $38,500 buys the 3.0L I6 phev. If that powertrain matters for how you drive, yes. If not, the P400 SE does the same job for less.
The Full Story Behind This Price Gap
Use the direct answer above for this exact matchup, then use these guides to understand whether you are really looking at a feature step-up, a package shuffle, or the point where the lineup starts changing in a meaningful way.
Breaking Down the $38,500 Gap
The Range Rover P550e Autobiography costs $38,500 more than the P400 SE. Whether that is worth it depends on how much you value the 3.0L I6 phev engine (+148 hp). Power and comfort matter differently to different buyers. Weigh them against your priorities.
How the P400 SE and P550e Autobiography Feel Different
Moving from the P400 SE to the P550e Autobiography means a different engine entirely. That means 148 more horsepower and 184 more lb-ft of torque. That extra power shows up most clearly once you are out of town and asking more of the drivetrain.
The Short Version
$38,500 more for the Range Rover P550e Autobiography gets you 5 real differences. At $678/month more, the question is whether those specific changes are things you will use regularly.
Trim-Matched Accessories
These add-ons are split by trim intent so the recommendations follow the actual use case, not just the same repeated product block.
Land Rover Range Rover P400 SE
Value-trim add-onsThese picks fit the P400 SE best when the goal is covering the daily-use gaps without paying up to the next trim.
Land Rover Range Rover P550e Autobiography
Step-up trim add-onsThese picks suit the P550e Autobiography when you want the accessories to match the nicer cabin, broader utility, or more premium use case.
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Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material for the 2026 model year. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Land Rover or any dealership.
Page updated 2026-04-12. Verify equipment, pricing, and regional availability with the manufacturer or dealer.