Does the 2026 Lexus RX need premium gas?
Yes. Premium.
$288extra a year
- Premium listed for the 350 FWD.
- All 16 trims list premium.
- Required or only recommended: the data does not say.
- 52% of 138 SUVs (2026) list premium.
12,000 miles a year. Gas $3.20. Premium $0.60 more.
| Trim | Engine | Grade | Mpg | Regular, a year | Premium, a year |
|---|---|---|---|---|---|
| 350 FWD | 2.4L | Premium | 25 | $1,536 | $1,824 |
| 350 AWD | 2.4L 4cyl | Premium | 24 | $1,600 | $1,900 |
| 350 Premium FWD | 2.4L | Premium | 25 | $1,536 | $1,824 |
| RX 350h AWD | 2.5L 4cyl | Premium | 36 | $1,067 | $1,267 |
| 350 Premium AWD | 2.4L 4cyl | Premium | 24 | $1,600 | $1,900 |
| RX 350h Premium AWD | 2.5L 4cyl | Premium | 36 | $1,067 | $1,267 |
| 350 F SPORT Design FWD | 2.4L | Premium | 25 | $1,536 | $1,824 |
| 350 F SPORT Design AWD | 2.4L 4cyl | Premium | 24 | $1,600 | $1,900 |
| RX 350h F SPORT Design AWD | 2.5L 4cyl | Premium | 36 | $1,067 | $1,267 |
| 350 F Sport Handling AWD | 2.4L 4cyl | Premium | 24 | $1,600 | $1,900 |
| 350 Luxury FWD | 2.4L | Premium | 25 | $1,536 | $1,824 |
| 350 Luxury AWD | 2.4L 4cyl | Premium | 24 | $1,600 | $1,900 |
| RX 350h Luxury AWD | 2.5L 4cyl | Premium | 36 | $1,067 | $1,267 |
| RX 450h+ Premium AWD | 2.5L 4cyl | Premium | 36 | $1,067 | $1,267 |
| RX 500h F SPORT Performance AWD | 2.4L 4cyl | Premium | 27 | $1,422 | $1,689 |
| RX 450h+ Luxury AWD | 2.5L 4cyl | Premium | 36 | $1,067 | $1,267 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2026 Lexus RX | 350 FWD | Premium |
| 2026 Acura MDX | FWD | Premium |
| 2026 Toyota RAV4 | LE FWD | Regular |
| 2026 BMW X5 | sDrive40i RWD | Premium |
| 2026 Acura RDX | SH-AWD | Premium |
| 2026 Toyota Highlander | XLE AWD | Regular |
| 2026 BMW X3 | xDrive30 AWD | Premium |
What this cannot tell you
Check the fuel door or manual before you fill.
Gas prices and the premium gap change by state.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree