Compact vs Sub-Compact: How Small is Small?

There are those who say that size matters when it comes to fuel efficiency. For many folks, “to get great gas mileage, you have to drive a small car,” is a prevailing mindset. But the big question is: how small is small? Will a compact or sub-compact car fit your needs? Do you really need something larger … or perhaps even smaller?

If you’re in an urban setting, with tight parking conditions, a tiny inexpensive car may be your best bet. There’s nothing like zipping through traffic and scoring those tight parking spaces with ease. But it’s a dramatically different story out on the open road. Would you be comfortable duking it out with double tractor trailers and dump trucks on the Interstate while driving a microcar like the Scion iQ or Smart car?

The chart below provides a list of compact, subcompact, and microcars available – or (possibly) soon to be available – in the American market. Compacts, subcompacts, and microcars are often referred to as C-, B-, and A-Segment cars, respectively.

Compact / Subcompact / Micro Cars (with reviews)

Compact Cars (C-Segment) Subcompact Cars (B-Segment) Micro Cars (A-Segment)
Audi A3 Chevy Sonic Chevy Spark
Audi A4 Fiat 500 Ford Ka
Buick Verano Ford Fiesta Mitsubishi i MiEV
Chevy Cruze Honda Fit Smart
Chevy Volt Hyundai Accent Scion iQ
Dodge Dart Kia Rio  
Ford Focus Mini Cooper  
Honda Civic Mazda2  
Honda CR-Z Nissan Cube  
Honda Insight Nissan Juke  
Hyundai Elantra Nissan Versa  
Hyundai Veloster Scion xA  
Kia Forte Scion xD  
Kia Soul Toyota Prius c  
Mazda3 Toyota Yaris  
Mitsubishi Lancer Volvo C30  
Nissan Sentra    
Scion tC    
Scion xB    
Subaru Impreza    
Suzuki Kizashi    
Toyota Corolla    
Volkswagen Golf    
Volkswagen Jetta    
     

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Ford Fusion Gas Mileage: 2006 – 2013

The Ford Fusion was introduced in the 2006 model year, filling a gap in the Ford lineup that was once occupied by the relatively short-lived Tempo and Contour. Slotted between the Focus and Taurus, the Fusion – in Hybrid trim – is the most fuel-efficient sedan among Ford’s current offerings, with gas mileage ratings of 41 city / 36 highway miles per gallon (MPG).

The Ford Fusion Hybrid's gas mileage ratings are 41 city / 36 highway MPG.

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BMW 5-Series Gas Mileage

While the BMW 5-Series might not come to mind when gas mileage is a prime consideration, a look at the numbers can be an eye-opener. Over the years, the six-cylinder equipped 5-Series’ peak highway mile per gallon (MPG) ratings have hovered in the high twenties to low thirties. It’s about to get better …

2012 BMW 535i

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New Gas Mileage Standard:
54.5 MPG by 2025

Hold onto your hats. The United States Department of Transportation (DOT) and Environmental Protection Agency (EPA) have finally pulled the curtain on their proposed rule for the Obama Administration’s new gas mileage standard. An average of 54.5 miles per gallon (MPG) by 2025 may seem like a huge leap in a short time, but the numbers are not what they appear.

The 54.5 MPG figure is the EPA number for passenger vehicles, not what you’ll see on the window sticker. It’s a fudge factory powered by greenhouse gas emissions. The automakers will be able to use a range of technology incentives in one place to offset their numbers in another, including flex fuel, hybrid, and electric power trains. In real world terms, we might expect a sticker average of 40 MPG for cars that run on liquid fuel. That’s not all that extraordinary, considering all the cars with gas mileage ratings around 40 MPG highway that we can buy today.

And they wonder why so many Americans are so skeptical of what goes on in Washington.

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