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Combustion cars with the best power-to-weight ratio: Luxury sedans 2025

The less weight each horsepower has to move, the faster a car accelerates. These are the new cars registered in the EU in 2025 with the best power-to-weight ratio.

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  1. 1
    Mercedes-Benz S 680 Maybach

    Mercedes-Benz S 680 Maybach

    603 hp · Petrol · 2,364 kg (5,212 lb)

    3.92 kg/hp

    8.64 lb/hp

  2. 2
    Porsche Panamera GTS

    Porsche Panamera GTS

    493 hp · Petrol · 2,140 kg (4,718 lb)

    4.34 kg/hp

    9.56 lb/hp

How it's calculated

Official type-approval data for the new passenger cars registered in the European Union, published by the European Environment Agency. One spot per model (its best version), and only versions with at least 30 registrations, to rule out errors in the records. Ratio = mass in running order (kg) divided by power (hp).

By powertrain, based on each version's official type approval: “Combustion” covers petrol, diesel, LPG, CNG and ethanol; “Hybrids”, both regular and plug-in hybrids; “Electric”, fully electric cars. With a powertrain selected, each model appears with its best version of that powertrain.

Each model's body type (SUV, hatchback, sedan…) and size come from its Wikidata classification and our own review of the best-sellers; models without a type yet only appear under “All”.

Source: European Environment Agency (EEA), “Monitoring of CO2 emissions from passenger cars”, CC BY 4.0 licence. 2025 data (provisional), imported on September 24, 2026. We automatically check for new data every 6 hours (last check: September 25, 2026 at 02:17 PM GMT+2). This is the type-approval data declared by manufacturers and it may contain errors.