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

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

Aa Averages

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:

Vidframe Min Top
Vidframe Min Bottom

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.


Img 4982 Cropped

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)

Support our mission of championing car culture by becoming an Official Autopian Member.



Got a hot tip? Send it to us here. Or check out the stories on our homepage.

Share on facebook
Share on whatsapp
Share on twitter
Share on linkedin
Share on reddit
Notify of
Inline Feedbacks
View all comments
Dan Bates
Dan Bates
1 month ago

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

Yes I Drive A 240
Yes I Drive A 240
2 months ago

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.

The Modern Leper
The Modern Leper
2 months ago

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

2 months ago

1 Brakeless ’98 Honda Civic EX Coupe.

2 months ago

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

2 months ago

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

Tim Connors
Tim Connors
2 months ago
Reply to  D M

Thought about putting my list out there, but also kinda feels like I’d be publicly posting my security question answers…

1 month ago
Reply to  Tim Connors

if my wife’s vehicles since we got married count I could put 10 more on here for the 22 years we’ve been together, lol.

Silent But Deadly
Silent But Deadly
2 months ago

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.

Ford Friday
Ford Friday
2 months ago

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.

Loudsx .
Loudsx .
2 months ago

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.

David Reynolds
David Reynolds
2 months ago

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)

2 months ago
Reply to  David Reynolds

One cylinder? Tell us more, is it a tractor?

Rust Buckets
Rust Buckets
2 months ago
Reply to  Space

One cylinder, 100mpg, 90cc, and less than four wheels probably all belong to the same vehicle, and it’s probably a scooter.

David Reynolds
David Reynolds
2 months ago
Reply to  Rust Buckets

Close! 1966 Honda CT90

David Reynolds
David Reynolds
2 months ago
Reply to  Space

Three singles in the fleet – 1966 Honda CT90, 1983 Honda XR500R, and 1988 Honda NX250

2 months ago
Reply to  David Reynolds

Imagine saying to someone “This puppy has 3.07 cylinders and 2.71 wheels”.

David Reynolds
David Reynolds
2 months ago
Reply to  Musicman27

As I was putting this list together I kept thinking about that Far Side Cartoon with the 1.5 children.

2 months ago

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!

Last edited 2 months ago by Knowonelse
Would love your thoughts, please comment.x