From fuel-efficient large cars
Alternatives to the 2026 Porsche Panamera
The cars next to it on fuel-efficient large cars: the same kind of car, with official EPA figures close to its own. Open any of them for its window sticker, or put two side by side.
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Combined MPG· $3,750 fuel a year22 MPG$3,750fuel a year - 70
Combined MPG· $3,900 fuel a year21 MPG$3,900fuel a year - 71 Combined MPG· $3,900 fuel a year21 MPG$3,900fuel a year
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Combined MPG· $3,900 fuel a year21 MPG$3,900fuel a year - 73 Combined MPG· $3,900 fuel a year21 MPG$3,900fuel a year
- 74 Combined MPG· $3,900 fuel a year21 MPG$3,900fuel a year
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2025 Porsche Panamera 4 e-Hybrid
Large · All-Wheel Drive · Plug-in hybrid
Plug-in hybrid 2.9 L 8-cyl turbo 21 city · 24 hwyCombined MPG· $3,900 fuel a year21 MPG$3,900fuel a year - 77
2025 Porsche Panamera 4S E-Hybrid
Large · All-Wheel Drive · Plug-in hybrid
Plug-in hybrid 2.9 L 8-cyl turbo 20 city · 23 hwyCombined MPG· $3,900 fuel a year21 MPG$3,900fuel a year - 78
2026 Mercedes-Benz S580 4matic
Large · All-Wheel Drive · Hybrid
Hybrid 4.0 L 8-cyl turbo 17 city · 27 hwyCombined MPG· $4,100 fuel a year20 MPG$4,100fuel a year - 79
2025 Mercedes-Benz S580 4matic Maybach
Large · All-Wheel Drive · Hybrid
Hybrid 4.0 L 8-cyl turbo 16 city · 27 hwyCombined MPG· $4,100 fuel a year20 MPG$4,100fuel a year - 80
2026 Mercedes-Benz S580 4matic Maybach
Large · All-Wheel Drive · Hybrid
Hybrid 4.0 L 8-cyl turbo 16 city · 27 hwyCombined MPG· $4,100 fuel a year20 MPG$4,100fuel a year - 81
Combined MPG· $3,350 fuel a year20 MPG$3,350fuel a year