| Engine | 3.5L 6-cyl |
| Transmission | Automatic (S6) |
| Drive | All-Wheel Drive |
| Fuel Type | Premium Gasoline |
| Vehicle Class | Subcompact Cars |
| Engine Desc | SIDI & PFI |
| Start-Stop | No |
| EPA Vehicle ID | 47320 |
22 MPG combined isn’t a headline figure, but it accurately reflects the fuel consumption of the Lexus RC 350 AWD. This isn’t a hybrid, nor is it designed to be. It’s a stylish coupe designed for comfortable cruising and the occasional spirited drive, and most buyers accept its thirst for premium fuel as part of its character and all-weather capability.
City and highway performance
The EPA estimates 19 MPG in the city and 26 MPG on the highway for the 2024 Lexus RC 350 AWD. The city figure reflects stop-and-go traffic, where the 3.5L V6 and six-speed automatic transmission work harder to repeatedly overcome inertia. The highway figure is more palatable, as the RC 350 AWD settles into a more efficient cruising mode. However, even the highway number probably won’t impress drivers coming from more economy-focused vehicles. The difference is priorities: the RC 350 emphasizes driving experience and design over fuel efficiency.
Annual fuel cost
The EPA estimates the annual fuel cost for the 2024 Lexus RC 350 AWD at $2,650. This is based on driving 15,000 miles per year and using national average fuel prices for premium gasoline. Individual fuel costs will vary depending on driving habits, local fuel prices, and the proportion of city versus highway driving. This is only an estimate, but it provides a useful benchmark for comparing the RC 350 AWD to other vehicles.
Real-world expectations
While the EPA estimates provide a baseline, real-world fuel economy can vary. Aggressive driving, frequent short trips, and carrying extra weight can all negatively impact efficiency. Careful driving, consistent highway speeds, and proper tire inflation can help owners get close to or even exceed the EPA estimates. Many drivers find their actual MPG slightly below the combined figure, particularly if they frequently drive in congested urban environments. The RC 350’s driver-selectable modes (Eco, Normal, Sport) can influence fuel consumption, but driving style has the biggest impact. For more information, compare RC MPG across all years.
How it compares
The RC 350 AWD’s fuel economy places it in a specific segment. The BMW 430i xDrive coupe achieves a slightly better 28 MPG combined with its turbocharged four-cylinder engine. The Audi A5 coupe, with its quattro all-wheel drive system, manages around 27 MPG combined. These competitors offer a different driving experience. The Infiniti Q60 AWD offers similar performance to the RC 350, but its fuel economy figures are nearly identical. These comparisons show that buyers in this segment often prioritize style, performance, and brand cachet, accepting a certain level of fuel consumption. For details, check all Lexus fuel economy data.
Tips to maximize efficiency
Using the “Eco” drive mode will remap the throttle response and shift points to prioritize fuel efficiency. This mode reduces engine responsiveness, but can produce noticeable gains, especially in city driving. It’s most effective when you don’t need immediate acceleration.
Make sure your tires are properly inflated to the recommended pressure. Underinflated tires increase rolling resistance, which reduces fuel economy. Check your tire pressure regularly, especially during temperature changes.
Avoid aggressive acceleration and braking. Smooth, gradual inputs are more fuel-efficient. Anticipate traffic flow and maintain a consistent speed whenever possible. Minimize hard acceleration, which puts a strain on the engine and consumes more fuel.
Reduce unnecessary weight in the vehicle. Carrying extra cargo increases fuel consumption, especially in stop-and-go traffic. Remove any items you don’t need to lighten the load and improve efficiency.
Consider combining trips to minimize cold starts. Cold starts are less fuel-efficient because the engine has to work harder to reach its operating temperature. Linking multiple errands into a single trip can help overall fuel economy.