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Old 01-05-2024, 03:18 PM   #87 (permalink)
Ecky
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Join Date: Dec 2011
Location: New Zealand
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ND Miata - '15 Mazda MX-5 Special Package
90 day: 40.51 mpg (US)
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Doodles will be attached at some point! Or, I might just put them on the car.

Most tanks I use my car for either spirited driving, or for towing/carrying things, and my averages reflect that.

As of this last weekend however, it looks like I've made the top 10 gasoline cars list after my road trip. The cynical part of me suspects this is in part due to lower competition (especially as people move to hybrids and EVs), but regardless, I had 3 tanks at 4.8 L/100km (49mpg), 4.9L/100km (48mpg), and 5.0L/100km (47mpg).

Driving conditions were approximately 50-50 top up and top down, with air conditioning running when the top was up. The drive was probably 60% at 100kph (60mph), 20% at 110kph (68mph) and 20% at 80kph (50mph). Weather was warm and mostly sunny.

I haven't had much desire for air conditioning since getting the car and as such, hadn't used it much except for the occasional windshield defrost. I was surprised to find it made virtually zero difference on economy - perhaps 2% or less. I suspect fuel economy is better with the top up and aircon running, than top down, windows up, but the difference there is marginal too.

Prior to the trip I pumped the tires up to 42psi, which makes them thunderously loud on the more coarse road surfaces outside of major cities.
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