DecodedCarsLexus LS vs Porsche Panamera
2026 Lexus LS vs 2026 Porsche Panamera — two rivals compared on efficiency, size, safety and reliability.
The short version
The Lexus LS is the bigger car, about 8 inches longer.
Across all model years since 2005, the Lexus LS has had fewer recall campaigns (13 vs 22).
The two cars
The 2026 Lexus LS is a midsize car offered with a 3.4L 6-cyl turbo engine and all-wheel drive. It measures about 206 inches long and 75 inches wide on a 123-inch wheelbase, with a curb weight of roughly 4,938 lb (500 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 2017 LS and the 2022 Panamera have the fewest problems in our data; avoid the 2018 LS and the 2018 Panamera.
Basics
Efficiency
Performance & space
Safety & reliability
Interest
Green = clearly better. Prices are not included. How we calculate this →
Which one should you choose?
Choose the Lexus LS if…
- You want more room (8 in longer)
- You put reliability history first (13 vs 22 recalls since 2005)
Choose the Porsche Panamera if…
- You want something easier to park (8 in shorter)
Pros & cons of each
2026 Lexus LS
- Below-average fuel economyBest version gets 21 MPG combined, 33% below the 2026 midsize car average of 31.2 MPG.
- 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 Lexus LS specs →Full 2026 Porsche Panamera specs →Compare fuel costs for your driving →Compare size & garage fit →