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Old 07-14-2018, 12:06 PM   #1 (permalink)
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Most efficient car under 20k?

What would be the most fuel efficient car under 20,000 dollars new or used?

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Old 07-14-2018, 12:40 PM   #2 (permalink)
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That’s a pretty broad question, a G1 Insight is pretty damn good, and a 2k or 2k1 model could be had under $3k, a plug in Prius could be had under $20k, as well as a used first gen Volt... I gotta vote for most any mid 2000s GM product with the 2.2 Ecotec, as they’re a decent engine that’s pretty efficient for its displacement...
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Old 07-14-2018, 01:57 PM   #3 (permalink)
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Gas powered will be a gen1 Insight. Electric looks like the BMW i3 wins for MPGe in that price range (from my few minutes of research).
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Old 07-14-2018, 02:30 PM   #4 (permalink)
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Any used ev will be ridiculously efficient
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Old 07-14-2018, 04:03 PM   #5 (permalink)
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For 20k you could get a used Fiat 500e AND an Autozam AZ-1 in ok condition.

One for the commute, one for fun

For new cars: the Prius C starts at $20.5k MSRP, I'd bet you could get that under $20k

For used, a Honda Insight (first gen) will get you 60mpg all day with a bypassed hybrid battery.
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Old 07-15-2018, 03:32 PM   #6 (permalink)
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I wonder how economical an AZ-1 would be? Curb weight well below 800kg, 660cc turbo triple, transversely mounted, manual trans...

I’m guessing not so extremely so at high speed due to drag and that tiny engine screaming along, but maybe at 45-55mph it could be really good...

At any rate it would be a hoot to drive and way cheaper than something bigger to drive...
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Old 07-15-2018, 03:50 PM   #7 (permalink)
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Brazilian expats in Japan usually say the turbocharged versions of kei-cars are not so fuel-efficient at all, since they rely on a rich AFR to prevent knocking. Not sure about some newer ones which are already fitted with direct injection.
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Old 07-15-2018, 03:58 PM   #8 (permalink)
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Old 07-15-2018, 11:38 PM   #9 (permalink)
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G1 Insight is the king. Although I think the deals are going to dry up, you can still find them for under $1500 in great shape with a dead battery. You can build a grid charger for under $50 and try to revive it or just bypass it. I heard the CVT ones do really well with a bypass but after mine went out with a manual trans it was really crappy taking off from a start. If it was level ground that's fine. A little slow, never got a horn honk. But if you find yourself on an off ramp at a stop with a steep grade it's brutal. Clutch out, 50% part or full throttle, someone could do a little jog and go right by you on foot.
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Old 07-25-2018, 01:17 PM   #10 (permalink)
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Quote:
Originally Posted by fusion210 View Post
G1 Insight is the king. Although I think the deals are going to dry up, you can still find them for under $1500 in great shape with a dead battery. You can build a grid charger for under $50 and try to revive it or just bypass it. I heard the CVT ones do really well with a bypass but after mine went out with a manual trans it was really crappy taking off from a start. If it was level ground that's fine. A little slow, never got a horn honk. But if you find yourself on an off ramp at a stop with a steep grade it's brutal. Clutch out, 50% part or full throttle, someone could do a little jog and go right by you on foot.
That's why you rev it to 6 grand and drop the clutch.

But seriously. I could chirp the tires in 2nd gear when the battery was in place, and now I can't in first.

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