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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RC
RC
1 month ago

BMW through and through. Straight-sixes plus manual is the classic Bimmer combo.

Throw some seat covers on it while you figure out how to reupholster it, update the AC to use new Freon, and should be good to go for a long time.

Slirt
Member
Slirt
1 month ago

Yeah, this should’ve had a “3. Both” option; both worthy of my garage!

Timothy Swanson
Timothy Swanson
1 month ago

Tough choice. Corvair is in better condition, so I went with that.

Mike F.
Member
Mike F.
1 month ago

Corvair. Because decent-looking E24s exist around here. Decent-looking Corvairs do not. Really close call, though.

Urban Runabout
Member
Urban Runabout
1 month ago

Mom’s first car was a new ’62 or ’63 Corvair.

She had no end of issues w/ the head gasket.

I think I’d go for the BMW and budget for a major rebuild/reconditioning.

Baja_Engineer
Baja_Engineer
1 month ago

E24 for me. Such a timeless design. I’d have the front seats re-upholstered and call it a day.

Keith Tanner
Keith Tanner
1 month ago

The BMW all day every day. Mmmm.

Jesse Lee
Jesse Lee
1 month ago

How in God’s name is the frumpy Corvair winning? My God. A stick shifted BMW E24 without the troublesome thermal reactors is as good as it gets. This one is a no brainer for me.

Dodsworth
Member
Dodsworth
1 month ago

I’m not a big BMW fan but this one ticks all the boxes. Straight six, two door, manual, cool wheels. It’s black, but nothing’s perfect.

Commercial Cook
Commercial Cook
1 month ago

the ac belt was removed off E24 because that darn AC compressor like to lock up the pulley. I removed AC compressor off my E28 few weeks ago due to that reason

Commercial Cook
Commercial Cook
1 month ago

is that E24 on TRX wheels? holy shit

Commercial Cook
Commercial Cook
1 month ago

E24 because that M30 is one of the best things Bavarians ever made.

Manwich Sandwich
Member
Manwich Sandwich
1 month ago

I like both but even though it has way worse performance, I’m gonna go for the Corvair as it has a higher novelty factor to me.

It’s not like I’d have either of these as a daily driver.

So I’d get that Corvair, replace the windshield, fix the exhaust, leave the A/C as-is I can live without it here in Canada.. and maybe even give it a fresh coat of paint.

Then just enjoy it as a weekend car.

10001010
Member
10001010
1 month ago

I do like me some sharknose Wobblies but the Corvair and its funky belts wins my vote today.

Rapgomi
Member
Rapgomi
1 month ago

I’ve always wanted a clean corvair!

But I once had a 633i and still regret selling it – so BMW it is.

JDE
JDE
1 month ago

I would go the other way and say Corvair if it had been a 65 and up body style. neither of these cars are likely to be easy to find parts for and neither are particularly valuable currently. but I do kind of dig the 2 doors and a manual in a Sharknose Beemer

Jesse Lee
Jesse Lee
1 month ago
Reply to  JDE

I would say the BMW E24 has far more potential for the value to go up, than the Corvair.

Theotherotter
Member
Theotherotter
1 month ago

I’d enjoy driving the BMW more, but the Corvair is too good of a deal to pass up.

Also, that shift boot is probably from e28goodies.com:

https://e28goodies.com/product/wooden-gear-shift-knob-with-tartan-fabric-covering/

Kevin Rhodes
Member
Kevin Rhodes
1 month ago

Despite my love of all things ’80s BMW, this time “Suck it Ralph” – I choose the Corvair. They are just so damned cool, and I already have a pair of lovely BMWs.

Abdominal Snoman
Member
Abdominal Snoman
1 month ago

2 great choices, and IMO an amazing deal on the Corvair. I hope we get a follow up article in a month or two about them as it seems almost guaranteed some autopian will buy one or each.

Scott
Member
Scott
1 month ago

Two cars both worth lusting after! 🙂 I voted Corvair, but only because I’m too old and my back to brittle to spend any of my free time upside down under the BMW’s dashboard.

Ranwhenparked
Member
Ranwhenparked
1 month ago
Reply to  Scott

And, along with that, the Corvair has surprisingly comfortable seats and ride for an economy car from the 60s. Because GM put an inordinate emphasis on those attributes back then

I don't hate manual transmissions
Member
I don't hate manual transmissions
1 month ago

Tough choice today, especially considering these are both cars I’d never want to own.

I kinda sorta like GM’s version of the SlugBug, but I think I kinda sorta like that 6 Series better.

It’s one of the few BMWs I’d be interested in having, considering the Z1 and OG M1 are unobtainable.

Dave
Member
Dave
1 month ago

BMW.

Nick Adams
Nick Adams
1 month ago

I’ve owned 2 big six BMWs, both had over 350k miles, bulletproof engines. The Corvair six, you’re rebuilding it every six months.

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