What Do You Get When You Average All Your Cars Together? Autopian Asks

Aa Averages
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When the car world talks about fleet averages, they tend to be in the somewhat dull context of bureaucratically altered fuel economy figures. Not here at The Autopian. We’re looking to spice things up a bit, and want to know what your fleet averages are for anything you care to share. Cylinders, horsepower, curb weight, even wheels … as much fun data as you can supply.

Calculating these averages is pretty easy. Take a category, add up the respective figures for all your vehicles, then divide by the number of vehicles in your fleet. Let me give you a few examples:

I currently own a 2006 BMW 325i and a 1999 Porsche Boxster, so my fleet averages look like this:

Cylinders: Six

Displacement: 2.75 liters

Horsepower: 208

Curb weight: 3,017.5 pounds

Combined fuel economy: 20.5 mpg

Seats: 3.5

From there, we can go even further, by using those figures to get even more data. How about 75.6 horsepower per liter, or 14.5 pounds per horsepower? Now those seem like more interesting fleet average figures than just fuel economy with modifiers for advanced technologies and footprint.

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Admittedly, these aren’t hugely exciting averages, but chances are you likely have some good ones. After all, readers like you are awesome and sometimes have incredible assortments of machines. So go on, let’s see your fleet averages. What you got?

(Photo credits: Thomas Hundal)

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104 thoughts on “What Do You Get When You Average All Your Cars Together? Autopian Asks

  1. Cylinders = 3
    Displacement = 1.48 liters
    Valves = 12
    HP = 149.6
    Torque = 151.8
    Forward gears = ∞ or 3.33×10⁹⁸ (to avoid Excel error)
    Reverse gears = 0.67
    Wheels = 3.33
    Drive Wheels = 2.33
    Steerable Wheels = 1.67
    Wheel Size = 17.4″
    Tire Size = 210/56r17.4
    Fuel Capacity = 11.4 gal
    EPA MPG = 41 mpg
    Actual MPG = 34 mpg
    Exhaust Pipes = 1.33
    Seats = 3.67
    Doors = 2.33
    Seatbelts = 3
    Weight = 3290 lbs
    Age = 6.92 years
    Total Mileage = 59,167 miles

  2. I love you guys, but didn’t you do this exact same article idea over on Jalopnik a few years ago? I suppose some of the current writers didn’t come from there and may not have known, but this feels very deja vu to me.

  3. Stats for my fleet:

    Displacement: 2.5 liters
    Cylinders: 4.8
    Hp: 249
    Hp/liter: 100
    FWD Gears: 6
    Seats: 3
    Age: 27 years old

    5 cars: ’74 Alfa Romeo GTV; ’91 Alfa Romeo Spider; ’96 Alfa Romeo Spider; ’07 911 Turbo; ’19 MB E450 Wagon

  4. 4 vehicles
    Displacement 2.975 liters
    Cylinders 5.5
    HP 327.75 (although 2 have been modded but not dyno’ed)
    TQ 334.5
    Curb WT 4568.5
    Battery KWH 20.975
    MPG City 40
    MPG HWY 44.75
    HP/Liter 90.86
    FWD Gears 5.25
    Seats 5.5

    Mustang, Titan, Pathfinder, I4 EV40

  5. I don’t have the data but I do have a list of every car I’ve owned/driven.
    Honda Accord 1989
    Honda Accord EXL 1995
    Jeep Grand Cherokee 1998
    Honda Civic 1996
    Honda Accord EX 1992
    Honda Civic 1998
    Subaru Forester 1998
    Honda Accord-LXi 1988
    Subaru Outback 2002
    Volkswagen Passat Wagon 2005
    Honda Accord Wagon 1997
    Jeep Cherokee Classic 2001
    Subaru Forester XT 2004
    Chevy Volt 2012
    Toyota Tacoma Prerunner TRD TX 2012
    Toyota Tundra Double Cab TRD-OR 2006
    Nissan Titan Pro 4x 2021
    Ford F-250 Superduty (Diesel) 2003
    Honda Fit Sport 2005
    Chevy Volt 2017
    Jeep CJ5 1975
    Jeep Wrangler Unlimited Sahara 2010
    Hyundai Ioniq 5 2022

  6. What’s the average of six old shitboxes (two of which are tractors) and a broken CT110?

    The answer is a heady combination of love, frustration and tears.

  7. I have a 2001 F250 Diesel, 2004 Subaru Legacy, 2002 Ford Crown Victoria, 1995 BMW 325is.

    4.2 L of displacement
    6.5 Cylinders, 18 Valves
    209.75 Hp
    287 Lb-ft of torque
    208,750 Miles
    2000.5 Year
    4.5 speed transmission
    1.5 Driven Axles, or 3×4, or 3 wheel drive
    1 Leak that leaves a stain on the ground (they all leak)

    I gotta say I’m not surprised about the power number but was a bit disappointed with the torque.

  8. hmm currently
    1966 Ford mustang 289
    1970 Mitsubishi Galant 1.3
    1971 Chrysler Galant 1.5
    1996 Nissan 200SX 2L SR20DET
    1998 lexus GS300 3L 2JZ
    2003 Falcon Ute 4L Barra
    2008 Mini Cooper S 1.6 Turbo
    2024 Nissan Z 3L Twin turbo

    not sure what that average would be!
    Also need to get rid of some cars.

  9. Did me some calculatin across 14 registered modes of transportation and got numbers thusly:

    Average age: 21.3 years (oldest 58 years, youngest 8 years)
    Average number of wheels: 2.71
    Average engine size: 1263cc (smallest 90cc, largest 5.9L)
    Average horsepower: 78 (lowest 7, highest 230)
    Average cylinders: 3.07 (lowest 1, highest 8)
    Average MPG 45.01 (lowest 12, highest 100)

  10. Do we get to include vehicle addendums? Hmm, ’64 F100 coach-built crewcab, ’67 VW squareback, ’92 F350 longbed dually crewcab with camper, ’84ish beavertail trailer, ’21 Prius AWD, ’24 Rav4 PHEV. On average 4.3 wheels per vehicle, weight pretty high, MPG ranging from 10-50 MPG hard to average those extremes, 5.6 cylinders, 4.8 seats, weight probably heavy.
    Average of 31.4 years old!

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