Specification comparison of 2026 Bentley Flying Spur High Performance Hybrid, 2025 BMW 550e xDrive Sedan. The best value in each comparable row is labelled “Best”.
Power-to-weight ratioHigher is betterCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ.
246.8 hp/t✓ BestCalculated
220.3 hp/tCalculated
Acceleration
0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers.
3.80 s✓ BestManufacturer claim · Bentley
4.10 sManufacturer claim · BMW
0–100 km/hLower is better
3.90 s✓ BestManufacturer claim · Bentley
4.30 sIndependent test · Wikipedia
Engine & Powertrain
Peak powerHigher is better
671 hp✓ BestManufacturer claim · Bentley
489 hpIndependent test · Wikipedia
Peak torqueHigher is better
686 lb-ft✓ BestManufacturer claim · Bentley
516 lb-ftIndependent test · Wikipedia
Engine displacement
3996.0 ccManufacturer claim · Bentley
2998.0 ccIndependent test · Wikipedia
Cylinder count
8Manufacturer claim · Bentley
6Homologation · US EPA
Engine layout
V8Manufacturer claim · Bentley
Inline-6Independent test · Wikipedia
Engine placement
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Dimensions
Length
209 inManufacturer claim · Bentley
199 inIndependent test · Wikipedia
Width
—
75 inIndependent test · Wikipedia
Height
58 inManufacturer claim · Bentley
60 inIndependent test · Wikipedia
Wheelbase
126 inManufacturer claim · Bentley
118 inIndependent test · Wikipedia
Weight
Curb weightLower is better
5992 lbHomologation · European Environment Agency
4894 lb✓ BestHomologation · US EPA
Fuel Economy
Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km.
—
24.0 mpgHomologation · US EPA
Fuel tank capacity
21.1 galManufacturer claim · Bentley
15.9 galHomologation · US EPA
Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range.
—
382 miCalculated
Electric System
Battery gross capacityHigher is better
25.9 kWh✓ BestManufacturer claim · Bentley
22.1 kWhIndependent test · Wikipedia
Battery usable capacity
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18.7 kWhIndependent test · Wikipedia
EPA range
—
33 miHomologation · US EPA
Energy consumption
—
311.0 Wh/kmHomologation · US EPA
Practicality
Cargo volume
12 ft³Manufacturer claim · Bentley
—
Seats
—
5Homologation · US EPA
Pricing
Base price (as tested market)Demo prices only; not live FX.
—
$73,400Independent test · Kelley Blue Book
Every figure is the car’s preferred, sourced value. “Best” marks the strongest value in a row, judged on the canonical measurement (so a winner is correct whichever unit system you view). Open a car to see each value’s source, original units, and alternates.
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