This is the most inefficient carmaker of 2021, according to the EPA

Colin
By Colin Wood
Jul 26, 2021 | Fuel Economy, EPA

Many conversations concerning the automotive world nowadays often focus on which cars and trucks are the most fuel efficient.

But which ones are the most inefficient?

Thankfully, the EPA keeps track of that sort statistic, which they have used to compile a list for 2021: “Least Efficient Cars by EPA Size Class.”

So, which car maker is the worst offender? Drum roll please:


Rolls-Royce, with 10 models out of a total of 16 spots on the list.

Other manufactures include Bentley, Lamborghini, Bugatti and Mercedes-Benz–though with only one or two models making the list.

Also an interesting trend? The fact that the EPA classifies the Rolls Royce Dawn as a compact, and the Bentley Continental GT as subcompact.

At any rate, you can check out the list for yourself here.

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Comments
Appleseed
Appleseed MegaDork
7/26/21 1:19 p.m.

Anyone want to start guessing without reading the article first?

My guess? Chrysler/Fiat-whatever the hell its called this week.

RX Reven'
RX Reven' GRM+ Memberand UltraDork
7/26/21 1:31 p.m.

I'll guess Bentley / Rolls Royce.

Ian F (Forum Supporter)
Ian F (Forum Supporter) MegaDork
7/26/21 1:39 p.m.
RX Reven' said:

I'll guess Bentley / Rolls Royce.

To the buyers spending that sort of money on a car, gas-guzzler taxes and fuel costs aren't even pocket change.

AngryCorvair (Forum Supporter)
AngryCorvair (Forum Supporter) GRM+ Memberand MegaDork
7/26/21 5:35 p.m.

"Most inefficient carmaker" is not the same as "maker of most inefficient cars"

APEowner
APEowner GRM+ Memberand SuperDork
7/26/21 5:48 p.m.
AngryCorvair (Forum Supporter) said:

"Most inefficient carmaker" is not the same as "maker of most inefficient cars"

Very true, although in this case they may be both.

codrus (Forum Supporter)
codrus (Forum Supporter) GRM+ Memberand PowerDork
7/26/21 7:29 p.m.
AngryCorvair (Forum Supporter) said:

"Most inefficient carmaker" is not the same as "maker of most inefficient cars"

Yup.  Carmaker efficiency is probably best measured by profit margin %.

Pete. (l33t FS)
Pete. (l33t FS) GRM+ Memberand MegaDork
7/26/21 7:38 p.m.

In reply to codrus (Forum Supporter) :

Man hours per vehicle built?

GCrites80s
GCrites80s HalfDork
7/26/21 8:03 p.m.

I didn't know there were 16 different models of Rolls-Royce. Of course, No Rolls-Royce Is Identical

Countingcrowbars
Countingcrowbars UltraDork
7/26/21 8:21 p.m.

The fact that the EPA classifies any Bentley as a compact car is PROOF they don't know wtf they are doing. And, therefore, this report loses all credibility. 

adam525i
adam525i GRM+ Memberand Dork
7/26/21 8:41 p.m.

So, is compact, sub-compact and mini-compact based on interior volume? What metric is used to classify the cars?

Edit- found it in the FAQ

The EPA size class for cars is based on interior passenger and cargo volumes as described below. The size class for trucks is defined by the gross vehicle weight rating (GVWR), which is the weight of the vehicle and its carrying capacity. Fuel economy regulations do not apply to heavy-duty vehicles, so they are not tested. See Which Vehicles Are Tested for more information on these vehicles.

Passenger & Cargo Volume (Cu. Ft.)

Two-Seaters Any (cars designed to seat only two adults)

Sedans  Mini-compact < 85,  Sub-compact 85 to 99,  Compact 100 to 109,  Mid-Size 110 to 119,  Large 120 or more

Station Wagons  Small < 130,  Mid-Size 130 to 159,  Large160 or more

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