Hybrid cars with the best power-to-weight ratio: 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
Audi RS6 Avant
621 hp · Hybrid · 2,150 kg (4,740 lb)
3.46 kg/hp
7.63 lb/hp
2
Audi RS 6 Avant
621 hp · Hybrid · 2,155 kg (4,751 lb)
3.47 kg/hp
7.65 lb/hp
3
Audi RS 6 GT Avant
621 hp · Hybrid · 2,152 kg (4,744 lb)
3.47 kg/hp
7.64 lb/hp
4
Audi RS 7 Sportback
621 hp · Hybrid · 2,166 kg (4,775 lb)
3.49 kg/hp
7.69 lb/hp
5
Mercedes-Benz AMG S 63 4Matic+
603 hp · Hybrid · 2,395 kg (5,280 lb)
3.97 kg/hp
8.75 lb/hp
6
Porsche Panamera Turbo S E-Hybrid
591 hp · Plug-in hybrid · 2,448 kg (5,397 lb)
4.14 kg/hp
9.13 lb/hp
7
BMW M5 Limousine G90 XB1
577 hp · Plug-in hybrid · 2,510 kg (5,534 lb)
4.35 kg/hp
9.60 lb/hp
8
Mercedes-Benz AMG C 43 4MATIC
416 hp · Hybrid · 1,856 kg (4,092 lb)
4.46 kg/hp
9.84 lb/hp
9
Bentley Flying Spur Speed
591 hp · Plug-in hybrid · 2,720 kg (5,997 lb)
4.60 kg/hp
10.14 lb/hp
10
Bentley Flying Spur Mulliner
591 hp · Plug-in hybrid · 2,721 kg (5,999 lb)
4.60 kg/hp
10.14 lb/hp
11
Audi A8
453 hp · Hybrid · 2,166 kg (4,775 lb)
4.78 kg/hp
10.54 lb/hp
12
BMW M340I xDrive
369 hp · Hybrid · 1,843 kg (4,063 lb)
5.00 kg/hp
11.02 lb/hp
13
Mercedes-Benz E 450 4MATIC
375 hp · Hybrid · 1,990 kg (4,387 lb)
5.30 kg/hp
11.68 lb/hp
14
Audi A7 Sportback
335 hp · Hybrid · 1,893 kg (4,173 lb)
5.65 kg/hp
12.45 lb/hp
15
Audi A6 Limousine
362 hp · Hybrid · 2,056 kg (4,533 lb)
5.68 kg/hp
12.52 lb/hp
16
Audi S4 Avant
337 hp · Hybrid · 1,910 kg (4,211 lb)
5.67 kg/hp
12.51 lb/hp
17
Audi A6 Allroad quattro
335 hp · Hybrid · 1,949 kg (4,297 lb)
5.81 kg/hp
12.82 lb/hp
18
Audi S6 Limousine
339 hp · Hybrid · 2,032 kg (4,480 lb)
5.99 kg/hp
13.20 lb/hp
19
BMW 740i xDrive
375 hp · Hybrid · 2,250 kg (4,960 lb)
5.99 kg/hp
13.21 lb/hp
20
Maserati Ghibli GT Hybrid
326 hp · Hybrid · 1,953 kg (4,306 lb)
5.99 kg/hp
13.21 lb/hp
21
Audi A4 Avant
261 hp · Hybrid · 1,685 kg (3,715 lb)
6.44 kg/hp
14.21 lb/hp
22
Volvo S60
306 hp · Plug-in hybrid · 2,039 kg (4,495 lb)
6.67 kg/hp
14.70 lb/hp
23
Volvo V60
306 hp · Plug-in hybrid · 2,064 kg (4,550 lb)
6.75 kg/hp
14.88 lb/hp
24
Volvo V90
306 hp · Plug-in hybrid · 2,075 kg (4,575 lb)
6.79 kg/hp
14.96 lb/hp
25
Volvo S90
306 hp · Plug-in hybrid · 2,122 kg (4,678 lb)
6.94 kg/hp
15.30 lb/hp
26
BMW 540d xDrive
282 hp · Hybrid · 2,028 kg (4,471 lb)
7.20 kg/hp
15.88 lb/hp
27
Audi A5 Sportback
201 hp · Hybrid · 1,643 kg (3,622 lb)
8.17 kg/hp
18.01 lb/hp
28
Audi A4 Allroad quattro
201 hp · Hybrid · 1,724 kg (3,801 lb)
8.57 kg/hp
18.89 lb/hp
29
Toyota Camry
184 hp · Hybrid · 1,642 kg (3,620 lb)
8.94 kg/hp
19.70 lb/hp
30
BYD Seal 6 DM-I Touring
194 hp · Plug-in hybrid · 1,880 kg (4,145 lb)
9.67 kg/hp
21.32 lb/hp
31
Peugeot 508
197 hp · Plug-in hybrid · 1,960 kg (4,321 lb)
9.94 kg/hp
21.92 lb/hp
32
Lexus ES300H
176 hp · Hybrid · 1,755 kg (3,869 lb)
9.99 kg/hp
22.02 lb/hp
33
Citroën C4 X
134 hp · Hybrid · 1,418 kg (3,126 lb)
10.57 kg/hp
23.31 lb/hp
34
Volkswagen Passat
148 hp · Hybrid · 1,573 kg (3,468 lb)
10.66 kg/hp
23.51 lb/hp
35
Škoda Superb
148 hp · Hybrid · 1,573 kg (3,468 lb)
10.66 kg/hp
23.51 lb/hp
36
Škoda Superb Combi 1.5 TSI Aut.
148 hp · Plug-in hybrid · 1,853 kg (4,085 lb)
12.56 kg/hp
27.69 lb/hp
37
BYD Seal 5 DM
97 hp · Plug-in hybrid · 1,710 kg (3,770 lb)
17.71 kg/hp
39.04 lb/hp
38
BYD Seal6
97 hp · Plug-in hybrid · 1,868 kg (4,118 lb)
19.35 kg/hp
42.65 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.