2020Alfa Romeo 4C Spider features an automatic oil change message to let you know when an oil change is required. This feature will help you know how often My2018 Stelvio is at the dealership and I am being told the Oil Pump needs to be replaced along with the Upper oil pan which was leaking. They say this will cost almost $6000 to complete this replacement. searching online it loks like this oil pump replacement is usually under $2000. This seems really high. 2023Alfa Romeo Stelvio Gas Mileage. Depending on trim level, the 2023 Alfa Romeo Stelvio gas mileage is from 20 to 25.5 miles per gallon combined. In the city, the 2023 Stelvio gas mileage is from 17 to 22 miles per gallon, depending on the trim. On the highway, the 2023 Stelvio gas mileage is from 23 to 29 miles per gallon, depending Fullydepress the accelerator pedal, slowly, six times within 10 seconds. Without pushing the brake pedal, push the ENGINE START/STOP button once to return the ignition to the OFF/LOCK position. NOTE: If the indicator message illuminates when you start the vehicle, the oil change indicator system did not reset. If necessary, repeat this 66posts · Joined 2018. #19 · Jul 16, 2018 (Edited) I presume you have the older oil level 6 bar gauge. When I was down to 5 bars about 2000 miles I added only 4 ounces and it was back up to 6 bars. Each bar = 8.5 ounces (1/4 qt), so down 6 bars is about 1.6 qts down. I added no more and am now near 5000 miles. TheMultiEcuScan software is not expensive and is useful for a lot more than oil change resets! I consider it an essential tool for owning a new Alfa. Centerline International - Alfa Romeo Parts & Accessories. (888) The2018 Alfa Romeo Stelvio holds a maximum of 5.5 quarts of motor oil, irrespective of the model. It comes in two distinct models, as customers are given a choice between a FuelCapacity / Gas Tank Size. 16.9. Aux Fuel Tank Capacity (gallons) 2018 Alfa Romeo Stelvio Quadrifoglio; Mechanical. Oil Temperature, Transmission Fluid Temp, Trip Odometer and Trip Assome have noted, the owner's manual ("Stelvio 2018 User Guide") only references the 2.0L engine (what's up with that anyway?) and I don't want to assume that TheAlfa Romeo Stelvio offers two different engines, each with a distinct oil capacity and oil type required for optimum performance: The robust 2.9L V6 engine, most notably found in the high-performance Quadrifoglio model, WVYtX8.