Some sports sedans shout with their flashy marketing and buzzwords like “track-inspired” and “race-bred” slapped across the spec sheet. It's few and far between that you'll find one of a humble nature. But one American-made V8 sports sedan did just that. No flash. No viral ad campaigns. No celebrity track times. Just an angular, under-the-radar machine with a manual gearbox, a big American V8, and a serious chip on its shoulder. It didn’t care about fitting in with the polished Euro crowd. It came to fight them.It grabbed attention not with its looks but with a factory setup that wasn’t just fast in a straight line, but built to hold its own through the corners. It wasn’t built for everyone, just for the ones who still want to row their own gears and feel every inch of the road. And here’s the twist. It’s still affordable.Buried behind the sharp body lines and bolted to a six-speed manual is one of the last great American sports sedans. Meet the unicorn sedan that the world’s been sleeping on for far too long. The Only American V8 Sports Sedan With A Manual Transmission Under $20K: Meet The First-Gen Cadillac CTS-V 2004 Cadillac CTS-VBack in the early 2000s, Cadillac wasn’t exactly known for setting lap times. But someone in GM’s Performance Division had the guts, and probably some speed demon energy, to flip the script. Enter the first-generation Cadillac CTS-V – a sharp-edged sport sedan packing a Corvette Z06’s LS6 V8, a Tremec T56 six-speed manual, and a mission to finally give the Germans a black eye.The CTS-V looked clean but understated. It's nothing too flashy unless you know what you are looking at. But under that angular Art & Science body was 400 horsepower, 395 lb-ft of torque, and a chassis tuned by people who cared about things like throttle oversteer and apex exits. GM even tested it at the Nürburgring before it was cool to brag about that. This was no parts-bin exercise. The V got upgraded Brembo brakes, revised suspension geometry, stiffer bushings, and unique final drive ratios. It wasn't just a CTS with a big V8 under the hood, it was an American M5 with real bite. And the best part? It only came with a manual. No slushy autos. No paddle shifters. Just three pedals and rear-wheel drive like nature intended. First-Gen Cadillac CTS-V Specs (Sources: Edmunds, Kelley Blue Book) Midway through the generation, in 2006, Cadillac swapped out the LS6 for the newer LS2 V8. The new engine was still pushing 400 horsepower, but with more usable torque down low and a broader powerband. The chassis also saw subtle refinements, making the later cars just a bit more polished without losing that raw, unfiltered edge. Sure, the V had its flaws. Early diffs were weak if you launched it like a maniac, and interior trim wasn’t exactly the vision of luxury. But those are small prices to pay for what is essentially a Corvette in a tailored suit.Today, the first-gen CTS-V is the only American V8 sports sedan with a factory stick you can buy for under $20K, and it still punches way above its weight. It’s raw, analog, brutally quick. The big perk is that it’s not trying to impress anyone. Its humbleness alone makes it a dying breed worth celebrating. First-Gen Cadillac CTS-V: What’s It Worth Today? When the first-gen CTS-V landed in 2004, it wasn’t wrapped in chrome and cushy leather promises. It was Cadillac kicking down the door to the performance game. With an original MSRP of $49,995, the V was Cadillac's bold move into the performance sedan arena, undercutting European rivals by a significant margin. The V also served as a clear message to anyone who still thought Cadillacs were just for golf courses and retirement homes.Fast-forward to today, and the CTS-V has become a performance bargain. According to Kelley Blue Book, a 2004 CTS-V now has a fair market range between $8,828 and $10,517, with the typical listing price sitting at $11,213. The later model years of this generation aren't too far off from these numbers either. Kelley Blue Book data shows that the fair market range for the 2006 model year ranges between $10,488 and $12,391, with the typical listing price averaging around $12,456. Market Price 2025: First-Gen Cadillac CTS-V (2004 to 2007) (Source: Classic.com)In total, Cadillac produced less than 9,000 first-gen CTS-Vs between 2004 and 2007, making it a relatively rare find today. However, there are still a fair number of units circulating around various auction sites. According to Classic.com, the sales count for the first-gen CTS-V on the site is 43, with the average sales price sitting at $19,845.This means, if you play your cards right, you've got a pretty good shot of sitting behind the wheel of a first-generation CTS-V for under $20k. Just take a look at this stunning burgundy 2007 Cadillac CTS-V with 86,091 miles on the odometer. It's in its original form and is currently being offered for just $17,999 on Midwest Classic Cars. This gorgeous gray 2005 Cadillac CTS-V that recently sold for $16,501 with only 56,000 miles on the clock is another great example of what the market has to offer. Why The First-Gen CTS-V Might Be The Last Great Performance Bargain If you're even halfway tempted by the idea of a Corvette-powered, manual-shifting American sedan that costs less than a lightly optioned Civic, the answer is "Yes!" You should absolutely buy one, especially before it becomes even harder to find at a decent price.The first-gen CTS-V isn’t just another retired GM product. It’s the first real performance car Cadillac built in decades, and it paved the way for every V-badged monster that followed. It was raw and unfiltered. No flashy spoilers, no fake exhaust tips. And unlike most American sedans of the era, the CTS-V was built to take a corner. Brembo brakes, a properly tuned suspension, and that glorious LS V8 made it a car that could hang with the big dogs from Bavaria. Well, at least until the rear diff tapped out.Collectors and enthusiasts are finally starting to catch on. The low production numbers, manual-only setup, and connection to the LS engine family are catnip for gearheads and future investors alike. It's the kind of car that still feels analog in all the right ways. It was one of the last sedans built before touchscreens took over and driving got boring.For now, prices are still reasonable. But like most underappreciated icons, they won’t stay this cheap forever. So if you want one, get it while the market’s still asleep. Because once the world remembers what this thing really is, the bargain disappears and the legend grows. What Else Is Out There? Manual V8 Sedans That Try To Keep Up The truth is, once you start looking for manual, V8-powered, rear-wheel-drive sedans, the list gets real short, real fast. The CTS-V isn’t just a unicorn. It’s the last of a near-extinct breed. But if you're curious what else is out there in the same spirit, here are a few contenders that try to keep up.First up is the Pontiac G8 GXP, the CTS-V’s Australian cousin. It came later as a 2009 model, packed an LS3 V8, and could be optioned with a 6-speed manual. The catch? It’s not under $20K anymore. Collectors saw its potential, and BAM! Now it's hard to get your hands on one now for a decent price. You’re looking at $30K+ for a clean one. But if you find one cheap, snag it. It’s still one of the best V8 sedans GM has ever built.Then there’s the BMW E39 M5. It's a legend with a 6-speed and a 4.9-liter V8 that sounds like angry opera. Performance-wise, it’s a worthy rival. But maintenance costs can get ugly fast, and finding a decent one under $20K is getting harder by the day. The Mercedes-Benz C43 AMG from the late ’90s also deserves a shout. It had a hand-built 4.3-liter V8 and came with a 5-speed automatic, but there are rare manual swaps floating around. Still, it's a stretch. Beyond that, you’re mostly into swap territory with the likes of Crown Vics, Fox Body sedans, or obscure G-body builds. Cool? Yes. Turnkey performance? Not really.So yeah, there are a few manual V8 sedans still hanging on, but nothing offers the same blend of value, muscle, and factory pedigree as the first-gen CTS-V. Everything else is either twice the price, half the reliability, or a build-it-yourself kind of project. Thus, in a world that’s traded stick shifts for screens and soul for silence, the first-gen CTS-V still stands tall as a loud, unapologetic reminder that driving should still make your heart race and your hands do the work.