5 Forgotten Luxury Sedans That Shine on Summer Road Trips

Key Takeaways

• Pre-owned luxury sedans from 2017-2019 can cost 50-60% less than their original sticker price while retaining premium features
• The Porsche Panamera, Cadillac CT6, Lincoln Continental, Kia K900, and Lexus SC400 offer highway comfort that rivals new luxury SUVs
• Features like Super Cruise hands-free driving and 30-way adjustable seats make these sedans ideal for long-distance travel

Why Sedans Beat SUVs for Highway Comfort

Millions of Americans will hit the road this summer despite high gas prices. Most will drive SUVs. But before the Ford Explorer convinced everyone that an SUV should be the default family vehicle, traditional sedans ruled American highways.

The shift to SUVs left behind a category of vehicles designed specifically for what they no longer get credit for: eating miles in complete comfort. These forgotten luxury cruisers from the late 2010s prioritized acoustic insulation, plush seating, and effortless highway stability over the track-focused performance that dominates today's marketing.

The financial case is simple. A 2017-2019 luxury sedan that originally cost $100,000 can now be had for $40,000-$60,000 with reasonable mileage. You get the same leather, the same sound deadening, the same highway tech. Just not the same depreciation.

2017-2019 Porsche Panamera: The Forgotten Sports Sedan

Everyone remembers the 911. Porsche fans buy the Macan and Cayenne SUVs. But the Panamera gets overlooked, which is exactly why it offers such strong value for road trippers.

Joe Kucinski, an automotive writer at How-To Geek, bought a 2017 Panamera 4S in December 2024. The original sticker price was just under $120,000. He paid $50,000 for it with just under 50,000 miles on the odometer. As a certified pre-owned vehicle, he extended coverage bumper-to-bumper until December 2027 with unlimited miles.

The Panamera 4S delivers 440 horsepower through all-wheel drive. It has a large trunk for gear and exceptional range. Kucinski drove from Pennsylvania to Florida to cover the Amelia Concours, covering 1,747 miles total. At his final stop heading home, the computer calculated 714 miles of range before needing to refuel.

2017-2020 Cadillac CT6: Hands-Free Highway Tech

The Cadillac CT6 gets attention for one feature: Super Cruise. This hands-free driving system works on over 200,000 miles of mapped highways across North America. For a summer road trip on major interstates, it means significantly reduced driver fatigue.

Real-world testing has shown the CT6 handling over 1,200 miles of sustained hands-free highway driving. The system uses cameras, radar, and lidar sensors combined with precise GPS mapping. When conditions are right, the driver can take their hands off the wheel while the car maintains lane position, speed, and following distance.

The CT6 also delivered on traditional luxury metrics. Quiet cabin. Comfortable seats. Smooth ride. Cadillac discontinued the model in 2020, which pushed used prices down while the technology inside remained competitive with current offerings.

2017-2020 Lincoln Continental: 30-Way Adjustable Comfort

Lincoln revived the Continental nameplate in 2017 after a 15-year hiatus. The company bet heavily on comfort as the differentiator. The result was the "Perfect Position" front seats with 30 adjustment settings.

Thirty ways to adjust a seat sounds like marketing excess until you spend eight hours behind the wheel. The Continental's seats adjust not just the obvious positions but also individual cushion sections, lumbar zones, and thigh support. For drivers who struggle with lower back pain on long trips, this level of customization matters.

The 3.0L twin-turbo all-wheel-drive variant produces 400 horsepower. That power makes highway passing effortless. Lincoln sold the Continental through 2020 before discontinuing it to focus on SUVs. Used examples now trade well below their original prices.

2019 Kia K900: The Quiet Alternative

The Kia K900 carries a stigma that works in buyers' favor. Many shoppers won't consider a Kia when they want luxury, regardless of what the car actually delivers. That bias keeps prices low.

“The Kia K900 isn't just a car; it's a statement that you don't need a European badge to experience world-class comfort and a whisper-quiet cabin on a cross-country haul.”

— Joe Kucinski, How-To Geek Automotive Author

The 2019 K900 was Kia's second generation of the model. It shared its platform with the Genesis G90, which itself shared DNA with the Hyundai Genesis luxury program. The cabin materials, sound insulation, and ride quality matched or exceeded European competitors at a significantly lower buy-in price.

The K900's whisper-quiet cabin makes it particularly suited for long highway drives where road noise compounds fatigue. Community discussions on Reddit's r/cars forum frequently mention the K900 as a hidden gem for budget-conscious road trippers.

1992-2000 Lexus SC400: The Timeless V8 Cruiser

The Lexus SC400 is the oldest car on this list and the biggest outlier. It's also the most reliable. The Toyota 1UZ-FE V8 engine that powers the SC400 has earned a reputation for near-bulletproof durability. Enthusiasts call it the engine that will outlast the car around it.

“The SC400 is a 'mile-eater' designed for effortless highway cruising, proving that true luxury isn't about the latest tech, but the timelessness of a balanced V8 engine.”

— Regular Car Reviews, Automotive Reviewer

The SC400 lacks modern tech. No lane keeping. No adaptive cruise control. No touchscreen. What it offers instead is a balanced, naturally aspirated V8 with smooth power delivery, a suspension tuned for comfort over handling, and the kind of simple reliability that comes from fewer electronic systems to fail.

On platforms like Jalopnik, the SC400 appears regularly in discussions about reliable cheap luxury cars. For buyers who want a road trip car with minimal maintenance anxiety and don't need the latest tech, it remains a viable option at very low prices.

Buying Tips for Used Luxury Road Trippers

• Seek certified pre-owned vehicles when possible. Extended warranties eliminate the biggest risk of used luxury ownership: expensive repairs.
• Check the specific trim level. Base models of luxury cars often lack the comfort features that justify the luxury label.
• Focus on highway-oriented features: seat adjustability, sound insulation, adaptive cruise control, and fuel range.
• Review maintenance history. Luxury cars with incomplete service records often hide deferred maintenance that becomes expensive later.

These five sedans represent a sweet spot in automotive history. They were built when manufacturers still prioritized highway comfort over aggressive styling and stiff suspension. The market has moved on to SUVs. The depreciation has already happened. What remains are capable road trip machines at reasonable prices.

Frequently Asked Questions

Are used luxury cars reliable enough for long road trips?

Yes, when purchased with complete maintenance records and ideally certified pre-owned warranties. The vehicles listed here have proven drivetrains, and models like the Lexus SC400 are known for exceptional long-term reliability.

Why are these luxury sedans so cheap compared to their original prices?

Three factors: SUV market preference shifted buyer demand, sedan body styles fell out of fashion, and some brands like Kia carry badge stigma that doesn't reflect actual quality. The depreciation reflects market trends, not vehicle capability.

Which of these cars is best for families?

The Lincoln Continental and Cadillac CT6 offer the most rear seat space and trunk capacity. The Continental's 30-way adjustable front seats also help drivers avoid fatigue on long family trips.

Does the Cadillac CT6 Super Cruise still work on used models?

Yes, Super Cruise remains functional on used CT6 models. Cadillac has continued to update the mapped highway database. Buyers should verify the Super Cruise subscription status with the seller.

What should I budget for maintenance on a used luxury sedan?

Expect higher costs than mainstream brands. Budget $1,500-$3,000 annually for routine maintenance and set aside reserves for unexpected repairs. Certified pre-owned warranties significantly reduce this risk.

Source: How-To Geek