Looks like a '69 or '70 Pontiac Grand Prix. Good catch.
After a closer look, yeah, it’s a '70.
Many thanks! When I saw it, my first thought was Monte Carlo, but when the pics I found didn’t match up, I decided to just ask here. I shoulda dug a little deeper and I would have found it. Turns out I wasn’t all that far off.
Cool car. Interesting that the owner took the name off the trunk lid.
A Buick Reatta. Those cars are about 30 years old now.
The other day, in afternoon traffic, an Amphicar, When I first glanced at it I thought that was a weird shape for a car, then I saw the twin propellers under the bumper. Then the light changed and that was it. Hard top, or at least the top was up. Don’t know if it was headed to some water.
An early 1950s Chrysler New Yorker.
A 5th Generation (68-70) Dodge Coronet 500 convertible. It was in a closed down gas station garage and the sheetrock roof had collapsed on it, but it didn’t look like any damage was done to it.
My first thought was Gran Torino 70’s era, but I’ll have to do some checking.
edit - I see the responses above now. For some reason, my screen wasn’t showing them. And I was wrong.
At Point Reyes on Friday: a 1964 Ford Falcon Futura convertible
A Mini Moke,on a trailer in a North Houston suburb.
No photo, but I saw a 34 Fraser Nash kit car today. Built on a VW bug chassis.
A 1st-gen Mazda Miata… with a huge whale tail on it. I wish I had my camera handy!
A 1980 Porsche 911 SC. Near a late model Porsche 911 type 991. The old 911s were so much smaller. The new ones have grown quite a bit.
It’s happened all over the car industry, especially with cars that were originally marketed as small sporty or economy cars.
Compare a BMW 3 series from before 2006 (E46, E36, E30, etc.) to the more recent models. Look at how the Japanese economy cars like the Honda Civic or the Toyota Corolla have grown.
Saw something crazy - a pick-up truck pulling a full semi trailer. It had some weird adapter in the bed to mount it like a semi, but still…
A little bit ago I was behind a late-model Ford. It had a Union Jack license plate frame, and an English flag with ‘England’ next to it on the rear window.
I was behind him in my MG. 
A 1971-80 International Scout II. It was ahead and I had to get off the freeway, so I couldn’t see the grille to pin down the year.
The other day, I saw an ordinary SUV, but what made it interesting was the license plate from the Mexican state of Zacatecas. Only the second Mexican plate I’ve ever seen on the road here in Indiana - the other, several years ago, was from Jalisco.
Cherry red first generation (67-69) Chevy Camaro SS350 in amazing shape. I wonder why someone would driving that in the middle of a Boston winter, but good for him.
Thursday I saw a car too mundane to mention. What made it interesting was that it had a Tulalip Tribes license plate. I never knew tribal license plates existed.
A Bentley, looked like a Continential GT but I’m not sure. It looked a bit conspicuous in the icy Walmart parking lot last night.