2019 Acura RDX Fuel Costs: Premium Gas Requirements & Fill-Up Prices
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The redesigned 2019 Acura RDX impressed drivers with its upscale interior and turbocharged performance, but its premium fuel requirement adds to ownership costs. We break down exactly what RDX owners can expect to pay at the pump.
2019 RDX Fuel System Specifications
The second-generation RDX marked several important changes:
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- Engine: New 2.0L turbocharged 4-cylinder (replaced previous 3.5L V6)
- Horsepower: 272 hp @ 6,500 rpm
- Fuel capacity: 17.1 gallons
- Fuel requirement: Premium unleaded (91 octane minimum)
- EPA estimates: 22 mpg city/28 mpg highway/24 mpg combined
Current National & Regional Fill-Up Costs
Based on October 2018 premium fuel averages from AAA:
| Location | Premium Price/Gal | Full Tank Cost |
|---|---|---|
| National Average | $3.46 | $59.17 |
| Oklahoma (Cheapest) | $3.11 | $53.18 |
| California | $3.81 | $65.15 |
| Hawaii (Most Expensive) | $4.10 | $70.11 |
| Florida | $2.82 | $48.22 |
Note: These reflect 2018 prices during the model's launch year. Current prices will vary based on market conditions.
How the RDX Compares to Luxury Rivals
The 2019 RDX's fuel costs stack up against key competitors:
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Fuel Cost Comparison (Based on 17.1-gallon fill)
- Audi Q5 2.0T: $61.56 (premium required)
- BMW X3 xDrive30i: $61.56 (premium recommended)
- Volvo XC60 T5: $61.56 (premium required)
- Lexus NX 300: $58.14 (premium required)
- Mercedes-Benz GLC 300: $61.56 (premium required)
While the RDX's turbo four-cylinder improved efficiency over the previous V6, its premium fuel requirement keeps operating costs in line with German rivals.
Understanding Seasonal Fuel Price Fluctuations
October 2018 saw unusual price trends:
- National premium average held steady at $3.46 (unchanged from previous week)
- Regular gasoline averaged $2.91 nationally
- Diesel prices rose 5 cents to $3.29
- Hurricane Michael initially didn't impact Florida's $2.82 average
Why Prices Normally Decline in Fall
- Reduced summer travel decreases demand
- Switch to cheaper winter gasoline blends
- Lower crude oil prices typically seen in Q4
However, 2018 saw counter-trend increases due to dwindling oil inventories and production cuts.
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Money-Saving Tips for RDX Owners
1. Fuel Reward Programs
Maximize savings with:
- Acura Credit Card fuel points
- Supermarket/gas station loyalty programs
- AAA member discounts
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2. Driving Efficiency Techniques
- Use Eco mode in stop-and-go traffic
- Limit use of Sport mode for daily driving
- Maintain proper tire pressure (check monthly)
- Remove unnecessary roof cargo when not needed
3. Alternative Payment Methods
- Gas station apps with mobile payment discounts
- Warehouse club memberships (Costco/Sam's Club)
- Credit cards with elevated gas rewards
Frequently Asked Questions
Can I use regular gas in my 2019 RDX?
Acura strongly recommends premium fuel (91+ octane) for optimal performance and engine longevity. Using regular may cause knocking and reduce power output.
How far can the RDX go on a full tank?
With its 17.1-gallon tank and 24 mpg combined rating, expect about 410 miles of range under mixed driving
conditions.
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Has the RDX's fuel requirement changed for newer models?
As of 2023 models, Acura still recommends premium fuel for all RDX trims, including the performance-oriented Type S.
Where can I find current gas prices in my area?
MotorVero's fuel price tracker provides real-time pricing data from stations nationwide.
Long-Term Fuel Cost Projections
Based on 15,000 annual miles and 2018 premium prices:
- Annual fuel cost: $2,162 (national average)
- 5-year cost: $10,810
- Cost per mile: $0.144
These estimates assume stable fuel prices. Use MotorVero's fuel cost calculator for personalized projections based on your driving habits and local prices.
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