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Mercedes-Benz E-Class vs Porsche Panamera

2026 Mercedes-Benz E-Class vs 2026 Porsche Panamera — two rivals compared on efficiency, size, safety and reliability.

Mercedes-Benz E-Class

2026 Mercedes-Benz E-Class

Midsize CarsAWD/4WDHybrid/EV
VS5 – 0Mercedes-Benz E-Class wins 5 of 5 categories
Porsche Panamera

2026 Porsche Panamera

Large CarsAWD/4WD

Swap in a different car →

The short version

The Mercedes-Benz E-Class is more fuel-efficient: 28 vs 21 MPG combined in its best version.

That works out to about $950 a year less in fuel for the Mercedes-Benz E-Class (EPA estimate, 15,000 miles).

The Porsche Panamera is the bigger car, about 4 inches longer.

Across all model years since 2005, the Mercedes-Benz E-Class has had fewer recall campaigns (0 vs 22).

The two cars

The 2026 Mercedes-Benz E-Class is a midsize car offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo), including a hybrid version and rear-wheel drive and all-wheel drive. It measures about 195 inches long and 75 inches wide on a 117-inch wheelbase, with a curb weight of roughly 5,269 lb (Amg 4dr Sedan).

The 2026 Porsche Panamera is a large car offered with a 2.9L 6-cyl turbo engine and rear-wheel drive and all-wheel drive. It measures about 199 inches long and 76 inches wide on a 116-inch wheelbase, with a curb weight of roughly 4,123 lb (4 / 4s 4dr Sedan).

Buying used? The 2024 E-Class and the 2022 Panamera have the fewest problems in our data; avoid the 2018 Panamera.

Basics

Midsize Cars
Class
Large Cars
Hybrid, Plug-in Hybrid
Fuel
Premium Gasoline
2.0L 4-cyl turbo, 3.0L 6-cyl turbo
Engines
2.9L 6-cyl turbo
Rear-Wheel Drive, All-Wheel Drive
Drivetrain
Rear-Wheel Drive, All-Wheel Drive

Efficiency

28 MPG
Best combined MPG
21 MPG
25 city
City / highway MPG (best)
18 city
$2,950
Fuel cost per year (EPA)
$3,900

Performance & space

–
Horsepower (most powerful)
348 hp
–
Seats (most)
4
194.9 in
Length
198.8 in
74 in
Width
76.4 in
57.9 in
Height
55.9 in
4,189 lb
Curb weight (lightest)
4,123 lb

Safety & reliability

–
Driver-assist features standard
9
0
Recalls (2026)
2
0
Recalls, all years since 2005
22
0
Owner complaints (latest year)
1

Interest

28,957
Wikipedia views, 30 days
18,935

Buying used

2024
Best used year
2022
–
Year to avoid
2018

Green = clearly better. Prices are not included. How we calculate this →

Which one should you choose?

Choose the Mercedes-Benz E-Class if…

  • You want lower fuel bills (28 vs 21 MPG)
  • You want something easier to park (4 in shorter)
  • You want a hybrid or electric option
  • You put reliability history first (0 vs 22 recalls since 2005)

Choose the Porsche Panamera if…

  • You want more room (4 in longer)

Pros & cons of each

2026 Mercedes-Benz E-Class

  • Hybrid version availableOffered as a hybrid and plug-in hybrid as well as gas.
  • AWD / 4WD available
  • Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.

2026 Porsche Panamera

  • AWD / 4WD available
  • Below-average fuel economyBest version gets 21 MPG combined, 19% below the 2026 large car average of 25.9 MPG.
  • Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.

Full 2026 Mercedes-Benz E-Class specs →Full 2026 Porsche Panamera specs →Compare fuel costs for your driving →Compare size & garage fit →