Gas cars · 105 cars · page 5 of 5
Most Fuel-Efficient Midsize Cars in 2026
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2025 Mercedes-Benz AMG S63 E Performance
Midsize · All-Wheel Drive · Plug-in hybrid
Plug-in hybrid 4.0 L 8-cyl turbo 15 city · 23 hwyCombined MPG· $4,550 fuel a year18 MPG$4,550fuel a year - 102
2025 BMW M8 Competition Gran Coupe
Midsize · All-Wheel Drive · Gas
4.4 L 8-cyl turbo 15 city · 22 hwyCombined MPG· $4,850 fuel a year17 MPG$4,850fuel a year - 103
Combined MPG· $5,150 fuel a year16 MPG$5,150fuel a year - 104
Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year - 105
2027 BMW M5 Sedan
Midsize · All-Wheel Drive · Plug-in hybrid
Plug-in hybrid 4.4 L 8-cyl turbo 12 city · 19 hwyCombined MPG· $5,850 fuel a year14 MPG$5,850fuel a year
For makers: #1 on this chart · $149/mo Sponsor this chart · $199/mo Get listed · from $19/mo
More in Gas cars
The whole segment →Photo credits on this page
- BMW M8 · © M 93 · CC BY-SA 3.0 de · Wikimedia Commons
- Mercedes-Benz S-Class · David Adam Kess · CC BY-SA 4.0 · Wikimedia Commons
- Audi RS7 · Alexander Migl · CC BY-SA 4.0 · Wikimedia Commons
- Cadillac CT5 · Elise240SX · CC BY-SA 4.0 · Wikimedia Commons
- BMW M5 · Alexander-93 · CC BY-SA 4.0 · Wikimedia Commons