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Used
Porsche convertibles
for sale
near
Alcoa, TN
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
Vehicle information
Features
Reviews
We just purchased our second vehicle from USI Motors
We just purchased our second vehicle from USI Motors Sales Agent Nick Compton knows his cars and the other guys actually work together for your best customer experience! Well, done guys, 5 out of Five starts from us! :)
In history the 911 is incredibly reliable
Closest super car that is still a daily driver, fast, comfortable, stylish, this is one of the few cars that does it all. I simply love these cars
Used
2025 Porsche 718 Boxster GTS
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Reviews
Jonathan worked tirelessly to find the car I wanted with
Jonathan worked tirelessly to find the car I wanted with exactly the options I wanted. He is incredibly professional and realllllly knows his stuff about cars. My car was flawless other than a small leather scuff, which he showed me within the first few minutes of our interaction. HIGHHHHLY RECOMMEND!
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Reviews
Nate was super helpful and kind in the car buying
Nate was super helpful and kind in the car buying experience. You can’t beat the customer service at this dealership
Most fun yet practical car
I have had 3 Boxster s over the years and this one for over 10. Loved every minute driving it. Great pick up and handling plus two trunks to allow for hauling things. A real head turner. Just need to maintain it for it to keep running well. I'm only selling mine cause we moved down a dirt road and its too rutted for a sports car. I got it for a great price, so letting it go for thousands less than it's blue book.
Used
2025 Porsche 911 Carrera 4 GTS
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Reviews
My experience with Harper Porsche was far the BEST
My experience with Harper Porsche was far the BEST dealership I have ever delt with, they were there throughout the whole process and answered all of my questions. I left there with the vehicle of my dreams, Thank you Trey, Jennifer, and Lori they are the best
Used
2013 Porsche Boxster S
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Reviews
This dealership allow me to choose without interfering
This dealership allow me to choose without interfering with my choice. No pressure, gave me a good deal on tradein.
Run, don’t walk. Buy this car!
Not a daily driver. But, by far the most fun car I’ve ever owned. Bought a 2013 S MT in 2015, still can’t part with it in 2024. This one’s a keeper. It is a pure joy to drive, mostly top down but even top up, the flat 6 boxer engine sound is incredible. Handling is superb - it’s like the car is an extension of the person driving it…the car goes where ever you want it to go effortlessly and nimbly…it’s amazing! The 981s MT is an incredible value. One of the best purchases I’ve ever made.
Used
2005 Porsche Boxster CONVERTIBLE
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Reviews
Greated by nice salesman that took me on tour of
Greated by nice salesman that took me on tour of vehicles, then a quick test drive.
Massive performance for the price
Car has amazing performance for the price. Comfort wise it is a bit lacking in the bells and whistles. Acceleration, braking, turning - incredible for the price.
Used
2006 Porsche Boxster Boxster S
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Reviews
2006 Boxster Has It All!
I have owned old and new 911’s, including a 2004 911 Turbo, and my current 2006 Boxster Base with the silky smooth 5 speed manual has been the most fun to drive. Small, light, nimble, great exhaust note, etc. It’s just a well-refined, well-engineered and perfectly balanced roadster. I love it. My dad once said “The Germans will always be the world’s best toy makers, and he was right!”
Porsche Certified
2024 Porsche 718 Boxster GTS 4.0
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Had my Taycan 4s in for recall service and as always
Had my Taycan 4s in for recall service and as always Frank did a great job of setting me up with a temporary vehicle and making sure all my questions were answered outside the recall. My sales representative Derik always stops by and says hi and asks if I have any questions! Grats on the new building, ready for move-in.
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Reviews
Do not pay attention to the negative reviews.
Do not pay attention to the negative reviews. I am not sure where this is coming from. What I can tell you is that I purchased a used vehicle (BMW I4 M50) from this dealership on 08/15/2025. I located this vehicle on cars.com and began interacting with the dealership several weeks prior to purchase. I have nothing to say other than good things about this interaction. They were professional and helpful but not overbearing. They were fair on their price and fair on the trade in. I too was skeptical about the negative reviews but have received explanations for those and they seem legitimate. I would highly encourage you to consider purchasing a car from this dealership if you have found something you like. I was nervous about purchasing a car "remotely" but MINI of Knoxville truly made it a pleasurable experience and I have no regrets. I would definitely purchase a car from them in the future should the need arise.
INCREDIBLY Beautiful Car!
Words do not do it justice. This car is simply stunning visually, growls delightfully, and it's a dream to drive, incredibly responsive and shifts so smoothly. After a lifetime of exceptionally cool/classic/prizewinning cars - I do believe this one will turn out to be my all-time favorite. My apologies to my Jaguar clubs!
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About Porsche
What is the cheapest Porsche vehicle available?
The Porsche Boxster is the cheapest available vehicle by average Cars.com listing price in Porsche's lineup, with an average listing price of $28,595.
Which Porsche vehicle has the best MPG?
The hybrid Porsche 918 Spyder can reach up to 20 MPG city and 24 MPG highway for a combined rating of 22 MPG. The Porsche Boxster with traditional internal combustion engine offers up to 22 MPG city and 32 MPG highway for a combined rating of 26 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle model year, trim, driving conditions, driving habits, vehicle maintenance, and other factors.
Which Porsche vehicle has the longest range?
The electric Porsche Taycan can travel up to 295 miles on a single charge depending on electric motor and battery options. The plug-in hybrid Porsche 918 Spyder can travel up to 12 electric-only miles before the gas engine kicks on.
EPA-estimated range is the distance, or predicted distance, a new plug-in vehicle will travel on electric power before its battery charge is exhausted. Actual range will vary depending on model year, driving conditions, driving habits, elevation changes, weather, accessory usage (lights, climate control), vehicle condition and other factors.
Which Porsche vehicle has the most deals?
The Porsche Macan has the most available deals on Cars.com with 672 great deals out of 2630 listings starting at $5,690.
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.
