Based on data from 18 vehicles, 585 fuel-ups and 170,304 miles of driving, the 2021 Suzuki Swift gets a combined Avg MPG of 38.12 with a 0.74 MPG margin of error.

Any Engine Type 1.2L L4 GAS (1) 1.4L L4 GAS (9) GAS (1) L3 GAS (1) L4 GAS (2) Any Body Style Hatchback (10) Any Submodel GLX (3) Boosterjet Sport (9) Other (6)

Below you can see a distribution of the fuel-ups with 30 outliers (4.88%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• Swift ZCC3S

  2021 Suzuki Swift Boosterjet Sport 1.4L L4 GAS Manual 6 Speed
  Added Feb 2025 • 63 Fuel-ups

  Property of tengo

• 29.4 Avg MPG

• TARDIS

  2021 Suzuki Swift GLX 1.2L L4 GAS Automatic CVT
  Added May 2024 • 20 Fuel-ups

  Property of rodriguex

• 28.3 Avg MPG

• My Swift

  2021 Suzuki Swift Boosterjet Sport 1.4L L4 GAS Manual 6 Speed
  Added Nov 2025 • 4 Fuel-ups

  Property of xavipempo

• 25.2 Avg MPG

• SWIFT

  2021 Suzuki Swift Boosterjet Sport 1.4L L4 GAS Hatchback
  Added Jan 2025 • 46 Fuel-ups

  Property of vadirajbm

• 33.0 Avg MPG

• Sylvia

  2021 Suzuki Swift GA L4 GAS Manual 5 Speed
  Added Jul 2023 • 36 Fuel-ups

  Property of GROENIEdieDRAAK

• 41.5 Avg MPG

• My Swift

  2021 Suzuki Swift GLX
  Added Jun 2021 • 29 Fuel-ups

  Property of WillieKoen

• 40.4 Avg MPG

• 2021 Swift Sport BoosterJet MHEV

  2021 Suzuki Swift Boosterjet Sport 1.4L L4 GAS Manual 6 Speed Hatchback
  Added Sep 2021 • 93 Fuel-ups

  Property of colin79666

• 37.9 Avg MPG

• DILLON Company CAR

  2021 Suzuki Swift Boosterjet Sport 1,4L L4 GAS Manual 5 Speed Hatchback
  Added Aug 2022 • 164 Fuel-ups

  Property of GHOST212

• 46.6 Avg MPG

• Swift Sport

  2021 Suzuki Swift Boosterjet Sport 1.4L L4 GAS Manual 6 Speed
  Added Sep 2021 • 55 Fuel-ups

  Property of PepeAlvrz

• 29.7 Avg MPG

• Swift

  2021 Suzuki Swift CVT
  Added Nov 2025 • 17 Fuel-ups

  Property of ns5090

• 38.5 Avg MPG

• Suzuki Snow Ball

  2021 Suzuki Swift Boosterjet Sport 1,4L L4 GAS Hatchback
  Added Aug 2021 • 43 Fuel-ups

  Property of wanel

• 41.3 Avg MPG

• My Swift

  2021 Suzuki Swift GLX
  Added Jan 2021 • 66 Fuel-ups

  Property of WillemC

• 43.9 Avg MPG

• Swift

  2021 Suzuki Swift VXI
  Added Aug 2021 • 17 Fuel-ups

  Property of amanbaath83

• 48.5 Avg MPG

• Swifty

  2021 Suzuki Swift Swift GAS
  Added Apr 2021 • 8 Fuel-ups

  Property of Shwifty

• 34.8 Avg MPG

• Swift

  2021 Suzuki Swift Boosterjet Sport 1.4L L4 GAS Hatchback
  Added Sep 2021 • 3 Fuel-ups

  Property of Roshanraaz7611

• 38.6 Avg MPG

• Suzuki Swift 2021

  2021 Suzuki Swift 1.2 GLX MT MC L3 GAS
  Added Aug 2021 • 9 Fuel-ups

  Property of urazack

• 40.0 Avg MPG

• My Swift

  2021 Suzuki Swift Boosterjet Sport 1,4L L4 GAS Manual 6 Speed Hatchback
  Added Dec 2021 • 5 Fuel-ups

  Property of Justin_Smith_66

• 33.5 Avg MPG

• Swifty

  2021 Suzuki Swift 1.2 glx L4 GAS
  Added Feb 2021 • 10 Fuel-ups

  Property of Vonkie

• 42.1 Avg MPG