Rankings · 2017

Most fuel-efficient small cars of 2017

Among 92 small cars from 2017 in the database (one per model family), the 2017 Toyota Mirai is the most fuel-efficient at 3.5 l/100km, against a class average of 9.8 l/100km. The spread from best to worst is 3.5–18.1 l/100km. Electric vehicles are ranked separately by range.

Ranked92one per model family
Average9.8 l/100km
Leader2017 Toyota Mirai

Top 10

Full ranking

#VehicleCombinedvs avgCO2WeightRecallsNCAP
12017 Toyota Mirai3.5 l/100km-64%—1,848.4 kg——
22017 Toyota Prius c5.1 l/100km-48%119.9 g/km1,132 kg14
32017 Chevrolet Volt5.6 l/100km-43%31.7 g/km1,607 kg—5
42017 Lexus CT 200h5.6 l/100km-43%131.7 g/km1,515 kg——
52017 Mitsubishi Mirage6 l/100km-38%140.4 g/km940 kg24
62017 Chevrolet Cruze6.4 l/100km-34%169 g/km1,312 kg25
72017 BMW 328d6.5 l/100km-33%177.1 g/km1,766.7 kg3—
82017 Jaguar XE6.5 l/100km-33%176.5 g/km1,721 kg2—
92017 BMW I3 Rex (94 Amp-Hour Battery)6.7 l/100km-31%18 g/km———
102017 Ford Fiesta Sfe FWD6.7 l/100km-31%157.8 g/km1,160.7 kg——
112017 Honda Civic 2Dr6.7 l/100km-31%159.1 g/km1,256 kg——
122017 Mazda 26.7 l/100km-31%156.6 g/km1,600 kg——
132017 Toyota Yaris iA6.7 l/100km-31%154.7 g/km1,095.9 kg—5
142017 Audi A3 e-tron6.9 l/100km-29%98.2 g/km1,594.8 kg——
152017 Chevrolet Spark7.1 l/100km-27%168.4 g/km1,300 kg1—
162017 Chevrolet Sonic7.3 l/100km-25%174.6 g/km1,263 kg—5
172017 MINI Cooper Convertible7.3 l/100km-25%174.6 g/km1,433.4 kg——
182017 Audi A4 Ultra7.6 l/100km-22%176.5 g/km2,164.1 kg15
192017 Hyundai Accent7.6 l/100km-22%175.2 g/km1,125 kg—4
202017 Kia Rio7.6 l/100km-22%178.3 g/km1,124 kg24
212017 Mazda 3 4-Door7.6 l/100km-22%176.5 g/km1,290 kg——
222017 Mazda CX-3 2WD7.6 l/100km-22%179 g/km1,627.9 kg15
232017 BMW 330e7.8 l/100km-20%117.4 g/km2,150 kg——
242017 Fiat 5007.8 l/100km-20%185.8 g/km1,130 kg24
252017 Hyundai Veloster7.8 l/100km-20%188.9 g/km1,172 kg—5

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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.