MPG Update: We're Getting Better, Just Not Quickly Enough to Please the Eco Crowd

Chances are, the vehicle you drove 10 or 20 years ago returned worse fuel economy than the one sitting in your driveway today. Significantly worse fuel economy.

While this may not be true if you went from strapped Corolla owner to affluent Navigator enthusiast over the past decade or so, it’s true for the average vehicle sold today. In a much-cited report on fleet fuel economy and emissions, the Environmental Protection Agency claims new vehicles hit a record in 2017, with a significant MPG bump looking likely for 2018.

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  • AZFelix 2015 Sonata Limited72k when purchased, 176k miles currentlyI perform all maintenance and repairs except for alignment, tire mounting, tire patching, and glass work (tint and passenger left due to rock hit). Most parts purchased through rockauto.com.Maintenance and repairs during three years of ownership:Front rotors and all brake pads upgraded shortly after purchase.Preparing for 17th oil change (full synthetic plus filter c.$50), one PCV valve.Timing & accessory belts, belt tensioner.Coolant full flush and change.Fibrous plastic material engine under tray replaced by aftermarket solid plastic piece $110.One set of tires (c.$500 +installation) plus two replacements and a number of patches due to nails, etc. Second set coming soon.Hood struts $30.Front struts, rear shocks, plus sway bar links, front ball joints, tie rod ends, right CV axle (large rock on freeway damaged it and I took the opportunity to redo the rest of items on this list).Battery c.$260.Two sets of spark plugs @ $50/set.Three sets of cabin and engine filters.Valve cover gasket (next week).Averages out to c.$1400 per year for the past three years. Minor driver seat bolster wear, front rock chips, and assorted dents & dings but otherwise looks and drives very well.
  • 3-On-The-Tree 2014 Ford F150 Ecoboost 3.5L. By 80,000mi I had to have the rear main oil seal replaced twice. Driver side turbo leaking had to have all hoses replaced. Passenger side turbo had to be completely replaced. Engine timing chain front cover leak had to be replaced. Transmission front pump leak had to be removed and replaced. Ford renewed my faith in Extended warranty’s because luckily I had one and used it to the fullest. Sold that truck on caravan and got me a 2021 Tundra Crewmax 4x4. Not a fan of turbos and I will never own a Ford again much less cars with turbos to include newer Toyotas. And I’m a Toyota guy.
  • Duke Woolworth Weight 4800# as I recall.
  • Kwik_Shift_Pro4X '19 Nissan Frontier @78000 miles has been oil changes ( eng/ diffs/ tranny/ transfer). Still on original brakes and second set of tires.
  • ChristianWimmer I have a 2018 Mercedes A250 with almost 80,000 km on the clock and a vintage ‘89 Mercedes 500SL R129 with almost 300,000 km.The A250 has had zero issues but the yearly servicing costs are typically expensive from this brand - as expected. Basic yearly service costs around 400 Euros whereas a more comprehensive servicing with new brake pads, spark plugs plus TÜV etc. is in the 1000+ Euro region.The 500SL servicing costs were expensive when it was serviced at a Benz dealer, but they won’t touch this classic anymore. I have it serviced by a mechanic from another Benz dealership who also owns an R129 300SL-24 and he’ll do basic maintenance on it for a mere 150 Euros. I only drive the 500SL about 2000 km a year so running costs are low although the fuel costs are insane here. The 500SL has had two previous owners with full service history. It’s been a reliable car according to the records. The roof folding mechanism needs so adjusting and oiling from time to time but that’s normal.