2021 Lexus IS 350

23MPG
Combined
2
Trims
Updated February 27, 2026
The 2021 Lexus IS 350 Compact Sedan provides 22–23 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.
2021 Lexus IS 350 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 22–23 combined MPG depending on trim |
| City MPG | 20 |
| Highway MPG | 28 |
| Body Style | Compact Sedan |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 6 cyl | 20/28/23 | 3.5L 6cyl | Automatic (S8) |
| 6 cyl | 19/26/22 | 3.5L 6cyl | Automatic (S6) |
Annual Fuel Cost
Based on EPA estimates, the 2021 Lexus IS 350 costs approximately $2,600 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2021 Lexus IS 350
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Other Model Years
- 2025 Lexus IS 350
- 2024 Lexus IS 350
- 2023 Lexus IS 350
- 2022 Lexus IS 350
- 2021 (this page)
- 2020 Lexus IS 350
- 2019 Lexus IS 350
- 2018 Lexus IS 350
- 2017 Lexus IS 350
- 2016 Lexus IS 350
- 2015 Lexus IS 350
- 2014 Lexus IS 350
- 2013 Lexus IS 350
- 2012 Lexus IS 350
- 2011 Lexus IS 350
- 2009 Lexus IS 350
- 2008 Lexus IS 350
- 2007 Lexus IS 350
- 2006 Lexus IS 350
Check Vehicle History
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