For years, there was a common misconception that All-Wheel Drive (AWD) inevitably led to poor gas mileage. Subaru has effectively dismantled that myth. The secret lies in our Lineartronic® Continuously Variable Transmission (CVT). Unlike traditional automatic transmissions that hunt for gears, the CVT stays in the optimal power band at all times. This means the engine doesn’t have to work harder than necessary, significantly reducing fuel consumption during acceleration and cruising.

Furthermore, our Symmetrical AWD system is integrated directly into the drivetrain. Because it’s a balanced, longitudinal design, there are fewer moving parts and less friction compared to adapted AWD systems found in competitors. This streamlined power flow ensures that every drop of fuel is used to move you forward, rather than being lost to mechanical inefficiency. When you browse our New Subaru Inventory, you’re looking at some of the most sophisticated engineering in the industry.

Beyond the transmission, Subaru’s BOXER® engine plays a critical role in efficiency. Its horizontal layout allows it to sit lower in the chassis, but more importantly, its natural balance reduces vibrations. Less vibration means less energy wasted, contributing to a smoother and more efficient ride. Modern Subaru engines also feature Auto Start-Stop technology, which seamlessly shuts off the engine when you’re stopped at a light on Watson Road and restarts it the moment you lift off the brake.

This holistic approach—combining the CVT, the BOXER engine, and lightweight high-tensile steel construction—allows a Subaru to offer the grip of an SUV with the fuel economy of a compact car. It’s engineering that respects both the environment and your wallet, ensuring that your daily drive remains affordable even as global energy markets fluctuate.

As the most fuel-efficient AWD car in its class, the Impreza is a master of the highway. Whether you choose the sedan or the versatile 5-door hatchback, you’re getting a vehicle designed for maximum range. It’s an ideal choice for students at WashU or professionals working downtown who need reliability and low overhead.

The Crosstrek is a standout for St. Louis commuters. With an EPA-estimated fuel economy that rivals many front-wheel-drive sedans, it offers 8.7 inches of ground clearance without the heavy fuel penalty. It’s the perfect ‘everything’ vehicle for those who want to save at the pump while maintaining the ability to explore off the beaten path.

As the most fuel-efficient AWD car in its class, the Impreza is a master of the highway. Whether you choose the sedan or the versatile 5-door hatchback, you’re getting a vehicle designed for maximum range. It’s an ideal choice for students at WashU or professionals working downtown who need reliability and low overhead.

Even the most efficient Subaru needs a little help to maintain its peak performance. Fuel economy isn’t just about what’s under the hood; it’s about how well the entire system is maintained. One of the most overlooked factors is tire pressure. In Missouri, our fluctuating temperatures can cause tire pressure to drop, increasing rolling resistance and forcing your engine to burn more fuel. Keeping your tires properly inflated can improve your gas mileage by up to 3%.

Regular oil changes are also vital. Fresh, high-quality synthetic oil reduces internal engine friction, allowing the BOXER engine to operate with maximum ease. If your oil is dirty or old, your engine has to work harder, which directly translates to more trips to the gas station. You can check our Current Service and Parts Specials to keep your maintenance costs as low as your fuel costs.

Don’t forget about your air filters and spark plugs. An engine needs to breathe to burn fuel efficiently; a clogged air filter is like trying to run a marathon while breathing through a straw. Our team at Sunset Hills Subaru can quickly inspect these components during your routine check-up. We use only Genuine Subaru Parts to ensure that every replacement meets the exact specifications of your vehicle.

If you’ve noticed a sudden dip in your MPG, it might be time for a professional diagnostic. Small issues, like a faulty oxygen sensor, can decrease your fuel economy by as much as 40% if left unaddressed. Our technicians are experts in pinpointing these hidden ‘fuel inefficient vehicles’ inside your vehicle.

If you’re currently driving an older SUV or a truck that drains your bank account every time you fill up, it might be time for a change. The math is simple: if you can save $100 a month on gas by switching to a more efficient Subaru, that’s $1,200 a year back in your pocket.

At Sunset Hills Subaru, we make the transition easy. Our trade-in process is transparent and designed to give you the highest possible market value for your current vehicle. By applying that value toward a new, fuel-efficient Crosstrek or Outback, you can lower your monthly payments and your fuel costs simultaneously. You can even start the process online to Get approved for financing before you step onto the lot.

Many of our customers are surprised to find out just how much their current car is worth in today’s market. We’re always looking for quality vehicles to add to our Used Vehicle Inventory, which means we’re prepared to offer competitive prices. Upgrading to a modern Subaru isn’t just a lifestyle choice—it’s a smart financial move that protects you against future spikes in energy prices.