Top 10 cars with the best ratio of horsepower to highway fuel consumption

If you do a lot of highway driving, this rating is the guide for you. We created a list of cars with the best ratio of engine power to fuel consumption on the highway. Choosing one of these cars will keep your fuel consumption low and provide the best performance.

IMSA RXR One 4.0 V8 2017

860 hp
122.9 hp/l-100km
1000 Nm

Bugatti Chiron 8.0 W16 2016

1500 hp
100 hp/l-100km
1600 Nm

Bugatti Divo 8.0 W16 2018

1500 hp
100 hp/l-100km
1600 Nm

Koenigsegg Agera R 5.0 V8 2013

1140 hp
95 hp/l-100km
1200 Nm

McLaren 720S 4.0 V8 2017

720 hp
102.9 hp/l-100km
770 Nm

W Motors Fenyr 4.0 2015

900 hp
100 hp/l-100km
1100 Nm

Alfa Romeo Giulia Quadrifoglio 2.9 V6 2016

510 hp
102 hp/l-100km
600 Nm

Porsche 911 GT2 RS 3.8 2017

700 hp
87.5 hp/l-100km
750 Nm

Mercedes-Benz E-class AMG E 63 S V8 2017

612 hp
87.4 hp/l-100km
850 Nm

Mercedes-Benz S-class AMG S 63 V8 2017

612 hp
87.4 hp/l-100km
900 Nm