Rankings · 2021

Most fuel-efficient midsize cars of 2021

Among 49 midsize cars from 2021 in the database (one per model family), the 2021 Toyota Prius Eco is the most fuel-efficient at 4.2 l/100km, against a class average of 8.8 l/100km. The spread from best to worst is 4.2–16.8 l/100km. Electric vehicles are ranked separately by range.

Ranked49one per model family
Average8.8 l/100km
Leader2021 Toyota Prius Eco

Top 10

Full ranking

#VehicleCombinedvs avgCO2WeightRecallsNCAP
12021 Toyota Prius Eco4.2 l/100km-52%98.2 g/km1,456 kg——
22021 Hyundai Elantra Hybrid Blue4.4 l/100km-50%102.5 g/km1,392.1 kg——
32021 Honda Insight4.5 l/100km-49%105.6 g/km1,382 kg35
42021 Hyundai Ioniq Plug-in Hybrid4.5 l/100km-49%46 g/km1,520.9 kg——
52021 Toyota Camry Hybrid LE4.5 l/100km-49%105.6 g/km1,687.4 kg——
62021 Lexus ES 300h5.3 l/100km-40%125.5 g/km1,687.4 kg—5
72021 Toyota Avalon Hybrid Xle5.3 l/100km-40%124.9 g/km1,687.4 kg——
82021 Honda Clarity Plug-in Hybrid5.6 l/100km-37%35.4 g/km1,843 kg——
92021 Kia Forte FE6.7 l/100km-24%159.1 g/km1,310 kg——
102021 Honda Civic 4Dr7.1 l/100km-20%166.5 g/km1,311.8 kg——
112021 Nissan Kicks7.1 l/100km-20%167.1 g/km1,221 kg24
122021 Nissan Sentra7.1 l/100km-20%166.5 g/km1,385 kg35
132021 Lexus UX 2007.3 l/100km-17%168.4 g/km1,500 kg—5
142021 Nissan Altima7.3 l/100km-17%174.6 g/km1,545 kg25
152021 Subaru Impreza 4-Door7.3 l/100km-17%174.6 g/km1,382 kg——
162021 Hyundai Venue7.6 l/100km-14%178.3 g/km1,201 kg24
172021 Volvo S90 AWD PHEV7.8 l/100km-12%101.3 g/km———
182021 Audi A7 quattro8.1 l/100km-8%86.4 g/km1,965 kg11—
192021 MINI Cooper Countryman8.1 l/100km-8%190.1 g/km1,632.9 kg——
202021 Audi A5 Sportback quattro8.4 l/100km-5%193.2 g/km1,725 kg—5
212021 BMW 530i8.4 l/100km-5%194.5 g/km1,867 kg7—
222021 Lexus LS 500h8.4 l/100km-5%195.1 g/km2,370 kg——
232021 Volkswagen Passat8.4 l/100km-5%195.1 g/km1,508 kg14
242021 BMW 540i8.7 l/100km-2%200.1 g/km1,851.1 kg6—
252021 BMW X2 Sdrive28i8.7 l/100km-2%205.1 g/km1,867 kg——

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How this ranking works

Values come from FuelEconomy.gov, EPA certification data and NHTSA records shown on each vehicle's page. Only the best-placed version of each model family is listed, so one model cannot fill the list. Electric vehicles are excluded from fuel-consumption rankings and ranked by range instead.