Home » Choose A Six-Cylinder Classic Coupe: 1963 Chevy Corvair vs 1981 BMW 633CSi

Choose A Six-Cylinder Classic Coupe: 1963 Chevy Corvair vs 1981 BMW 633CSi

Sbsd 12 11 2025
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Good morning! I don’t feel like writing about sensible cars today. I feel like writing about cool two-door coupes in running project condition. I hope you’re all okay with that, because I’ve found a couple that I really like.

Yesterday we looked at two entry-level luxury sedans with manual transmissions. I had no idea which way this one was going to go, so I was looking forward to the comments. It’s always interesting to me to hear the reasons people have for voting the way they do: some folks won’t touch a front-wheel-drive car, while others wouldn’t come near a German car with that many miles on it. In the end, the Lexus ES won, and by a rather large margin. A lot of you seemed to think the seller of the Mercedes was hiding something. You could be right.

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The idea of doing maintenance or repairs on a transverse V6 still gives me the willies, but I think in this case I’d take the Lexus too. It’s a good deal on what seems like an honest car, and while it may not be the most exciting thing on four wheels, Toyota does make good FWD manual transmissions, so it should be pleasant enough to drive.

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There’s a fact that a lot of car folks don’t like to admit, but it is nevertheless fact: Owning a classic car is a pain in the ass. Sure, insurance is cheap, but you have to find a place to store it, you spend half your time waiting for parts to arrive, and something is always broken – usually right when you want to drive it most. If you’re going to put up with all that, you should pick something that really moves you. For me, that means it has to be a two-door, it has to have a manual transmission, and it has to be a certain level of rarity; not so obscure that you can’t find parts, but uncommon enough that you don’t see three others at Cars & Coffee. And it should be nice, but not too nice. These two caught my eye, and maybe one of them will catch yours, too. Let’s check them out.

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1963 Chevrolet Corvair Monza – $3,999

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Image: Craigslist seller

Engine/drivetrain: 145 cubic inch OHV air-cooled flat 6, four-speed manual, RWD

Location: Benton, AR

Odometer reading: 33,000 miles

Operational status: Runs and drives well

Corvairs might be the best bargain in the classic car world. Everybody loves them, but with the exception of the really rare ones, prices have remained surprisingly reasonable. The prettier and better-handling second-generation Corvairs command a bit more money, but these early ones are downright bargains. Is it the “unsafe” stigma? Or the fact that they’re not V8-powered like so many more traditional classics? Who cares? They’re cool, they’re affordable, and they’re plentiful enough that you can hold out for a good one.

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Image: Craigslist seller

This is the Monza model, with fancier trim and a little bump in horsepower. Some Corvair expert out there will correct me if I’m wrong, but I believe this is the 95-horsepower version. It’s connected to a four-speed manual transaxle, driving the rear wheels through a pair of swing axles. It’s this tail-heavy configuration and unsteady rear suspension that gave the Corvair its widowmaker reputation, but also makes it fun to drive. This one runs and drives well, according to the seller, and has a racy-sounding dual exhaust. A stock muffler setup is also included if you don’t want to put up with the noise. It also has new brakes at all four corners, which should give you a little peace of mind.

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Image: Craigslist seller

It has new carpet and new seat upholstery inside, and it looks really nice. It also has factory air conditioning, a rare option, but it doesn’t work. I’m sure a specialist shop could make it work if you really wanted. The speedometer also doesn’t work, which probably means the cable is broken. This also means the mileage isn’t accurate, but on a car this old, the mileage doesn’t really matter.

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Image: Craigslist seller

It has a few dings and dents outside, and the windshield is cracked, but the seller calls it a “good twenty-footer,” and that’s good enough for me. There’s no rust on it, and all the trim is intact. The wide whitewalls wouldn’t work on a lot of cars, but I think they look good here.

1981 BMW 633CSi – $5,000

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Image: Craigslist seller

Engine/drivetrain: 3.2-liter OHC inline 6, five-speed manual, RWD

Location: West Linn, OR

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Odometer reading: 192,000 miles

Operational status: Runs and drives well

Stepping forward a couple of decades, we find the company car of Blue Moon Investigations, and all-around yuppie dream machine, the BMW E24-chassis 6 Series. This grand touring coupe was the height of cool in the ’80s, and in the right trim, quite a performer, too.

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Image: Craigslist seller

This is a 633CSi, not one of the hottest versions of the 6 Series, but no slouch either. It has a 3.2-liter version of BMW’s renowned M30 six-cylinder, making 174 horsepower – about the same as a Z/28 Camaro of the same year. It drives the rear wheels through a five-speed manual. This one runs and drives well, and has had a bunch of work done to it, including a rebuilt head, new exhaust, new clutch and flywheel, brake and suspension work, and more. It could use new parking brake cables; they’re stretched out, and the parking brake doesn’t do much at the moment.

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Image: Craigslist seller

It could use some upholstery work inside; both front seats are torn up a bit. The rear seat looks good, though, as does everything else that I can see. I don’t know these cars well enough to know if the plaid shifter boot is factory, but I imagine not. It’s a cool little detail, though. This car has air conditioning, but the seller removed the belt because it was squealing, so there’s no telling how well – or even if – it works. The speedometer doesn’t work in this one either, by the way.

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Image: Craigslist seller

It’s not perfect outside either, but it does look really good. The seller points out a couple of rust spots, and it has plenty of rock chips on its nose. But to me, that just means you shouldn’t be afraid to drive it. It has a European-style front bumper, but the rear is still the big US-spec battering ram. Personally, I’d rather just have the US bumpers at both ends; yeah, they’re huge, but they work.

So there they are, two very different classic six-cylinder coupes, in similar condition. Either one could be a good weekend driver, and either one will draw appreciative comments at car gatherings. But which one is more your style? That’s what you have to decide today.

 

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Andreas8088
Member
Andreas8088
52 seconds ago

The BMW is actually pretty cool, but up against that Corvair? No way that’s a competition. Assuming it’s as nice as it looks, I would absolutely buy that Corvair if it was a little closer. I’ve been wanting one for a while.

Steve Wilson
Member
Steve Wilson
2 minutes ago

BOTH–these are two of my favorite cars and both are good deals (especially the Corvair). My want level is way higher for the BMW, especially with half of the bumper conversion already done–gotta do the rear too; it transforms the car. Buy both so you can actually drive the Corvair while working on the BMW.

CuppaJoe
Member
CuppaJoe
4 minutes ago

I’d have a shark nosed bimmer any day of the week!

Kookster
Member
Kookster
5 minutes ago

Well, fuck me running, if that wasn’t a “knife-in-a-gun-fight” scenario! That Bimmer wasn’t even a sharp knife, it was a butter knife at best! The Corvair wins the coolness factor, the simplistic factor, nostalgic factor and definitely the cleanliness/well cared for factor. Shit, I’m trying to figure out if it’ll make the trip back to San Diego… early Christmas present for ol’ fuckface

-67Mustang
-67Mustang
27 minutes ago

Expected to pick the BMW…but that Corvair looks to be in great condition! Hop in and enjoy a nice classic car for UNDER $4K!

M. Park Hunter
Member
M. Park Hunter
29 minutes ago

Corvair. These are delightful cars to drive – light and lively with good steering. The first generation styling is lovely, parts are plentiful, and the car is easy to work on.

The BMW is from a better era of Bimmer, but still will be an expensive bummer to repair.

It's Pronounced Porch-ah
Member
It's Pronounced Porch-ah
32 minutes ago

I have spent a fair amount of time behind the wheel of an e24 and they are nearly perfect in my opinion. Comfortable, sporty enough, and great styling, but its not worth it to have to fix rust on them, and I am more suited to mechanical repairs.

I prefer the styling of the later Corvairs but they are in contention for one of my next fun cars, and I don’t think an e24 is on the list anymore.

JimmyTheKid
JimmyTheKid
32 minutes ago

Corvair all day long. Have always loved those things, and that seems like a pretty good price.

Rad Barchetta
Member
Rad Barchetta
36 minutes ago

I’m sitting here wondering how in the hell a Corvair in that condition is only 4 grand. I really like the 6er, and there’s really nothing like a BMW straight six, but that Corvair is just too good to pass up.

Ranwhenparked
Member
Ranwhenparked
16 minutes ago
Reply to  Rad Barchetta

You’d have to check it out, obviously, could be good cosmetic condition, but a worn out engine in need of a rebuild. They can appear to run deceptively well with a lot of blow-by

Captain Muppet
Captain Muppet
40 minutes ago

I’m a solid “both” on this one.

But I’ll vote Corvair as I’ve already had a 535i and this 633 would be a bit slower than that.

DialMforMiata
Member
DialMforMiata
47 minutes ago

Corvairs are almost criminally undervalued and always have been. These days a car like this is a weekend cruiser, and a very usable one at that. Performance and suspension upgrades are fairly cheap and easy. $4k isn’t exactly “fuck it” money, but it’s incredibly cheap for something you could jump in on day one, drive for a couple of years and sell for as much as (or maybe a little more than) you paid for it. Plus you get to say you owned what is probably the actual weirdest car a mainstream American manufacturer produced! If I had garage space I’d seriously be considering this…

Marty
Member
Marty
48 minutes ago

I’ve “restored” three Corvairs. 64, 66, and a 67. NEVER knew there was an A/C option! Lots of funs, but certainly had their share of issues. The 67 had a death wobble that I never figured out…

Msuitepyon
Msuitepyon
49 minutes ago

Bimmer.

Boulevard_Yachtsman
Member
Boulevard_Yachtsman
49 minutes ago

Corvair all the way. It’s one of those “bucket list” cars I really want to pick up at some point and the rampside version is my favorite truck ever built.

This one would be a prime candidate – under $5K, driver quality yet needs a few things – get to start having fun right out of the gate. I’ve kind of held off of picking one up though as I tend to Really get into whatever “new car” I just bought and that first Corvair is likely to spawn a few more in my driveway. And right now I’d need more driveways for that to happen.

DialMforMiata
Member
DialMforMiata
42 minutes ago

This is really making me wish I had more garage space. I rarely find myself actually desiring something that shows up on Shitbox Showdown, but this ticks a bunch of boxes for me. Like, to the point where I’m thinking that I might be able to get away with garaging it at work… Hmmm…

Paul E
Member
Paul E
53 minutes ago

Both for me, please. But since I can only vote for one, it’s the 6er for me.

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