From your posts, it seems your oil consumption is split between the ring packs (on pistons) being partially stuck due to carbon build-up and from the valve cover gasket. If you wanted to get aggressive with those ring packs, set aside a few hours, pull the coils and plugs then pour 10-15 ml of Sea Foam into each cylinder through the plug hole
Table 1.3 Primary Energy Consumption by Source. Annual Monthly Download. Please see Section 1 of the Monthly Energy Review. About EIA; Open Data; Press Room
The 2018 Jetta with the 1.4-liter received two fuel economy ratings depending on transmission; the five-speed manual sedan rang up 28 city, 40 highway, 33 combined, and the six-speed automatic got
Doing the same sort of journey in my two cars I do find the Mk1 Scirocco 1.6 Webber carb does use more petrol than my Mk1 Golf cabriolet 1.8 Gti. Scirocco about 35 mpg and Golf is about 39 mpg, if I drive like a nun on the way to church I can get 44 mpg out of the Golf…. 1988 Mk1 Golf GTi Cabriolet 1.8cc DX, K-jet.Fuel economy of the 2018 Volkswagen Golf/GTI. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks.
Volkswagen Golf 4 1.8T 150 Technical Specs 1997,1998,1999,2000,2001,2002,2003,2004: 150 PS (148 hp), Petrol, Fuel consumption:7.9 l/100km (30 MPG), Dimensions: Length: 163.35 in (414.9 cm), Width: 68.31 in (173.5 cm), Height: 56.65 in (143.9 cm) W8tVmq3.