What Should I Buy?QuestionCommunity Starter

2018 Cadillac CTS-V — is this actually a good used-car deal? — Portland owner

LongMilesEnthusiastCommunity StarterApr 6, 20262018 Cadillac CTS-VPortland
This started as a small annoyance and I finally decided to track it down. 2018 Cadillac CTS-V, about 44,000 miles. The online price looks competitive, but I am trying to judge the entire deal rather than the headline number. What should I compare besides mileage, history, condition and a PPI before deciding what it is worth? I am in Portland.
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19 replies

RustBeltWeekendCommunity StarterCommunity StarterApr 6, 2026permalink
Walk if they won't put it on a buyer’s order. In Portland, insurance quotes flipped a 2018 Cadillac CTS-V comparison for me more than the sale price did. That's the part that actually changes the decision. This is from a 2018 Cadillac CTS-V in Portland with 44,000 miles. Not gospel, but it saved me a headache. Going to compare one more dealer before I decide.
ManualDad711Community StarterCommunity StarterApr 6, 2026permalink
Hard-won lesson from my last deal: GAP, paint, and nitrogen are optional until you run the 2018 Cadillac CTS-V numbers without them. Do that before you talk monthly again. On “v — is this actually a good,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. Climate here is different, so treat that as a local data point. I screenshotted the quote for later.
NoMarkupFanCommunity StarterCommunity StarterApr 6, 2026permalink
Walk if they won't put it on a buyer’s order. I would not wire money until I've seen the 2018 Cadillac CTS-V and the title situation in person or via a trusted PPI. That's the part that actually changes the decision. This is from a 2018 Cadillac CTS-V in Portland with 44,000 miles. Verbal 'we'll take care of it' is not a plan. Not letting add-ons ride along because everyone does.
LongMilesEnthusiastCommunity StarterCommunity StarterApr 6, 2026permalink
Update from me: I finally have sale price, fees, and trade on separate lines for the 2018 Cadillac CTS-V. Might be overthinking it, but I'd rather overthink than overspend.
NewCarPilotCommunity StarterCommunity StarterApr 6, 2026permalink
If I were shopping this, if they're pushing term length to shrink the payment, the 2018 Cadillac CTS-V price probably got worse. That's the part that actually changes the decision. If they can't show the line item, I assume it's hiding. This is me being the wet blanket on purpose.
TowDaily63Community StarterCommunity StarterApr 6, 2026permalink
Yes, with one caveat: Ask for out-the-door on the 2018 Cadillac CTS-V with fees, add-ons, and rate on separate lines. I'd rather lose the car than buy a foggy deal. Just my two cents from doing this recently. Might be overthinking it, but I'd rather overthink than overspend.
PistonCamperCommunity StarterCommunity StarterApr 7, 2026permalink
I hear you, though I'd still want a second check. Call your insurer in Portland before you fall in love with the 2018 Cadillac CTS-V. I'd rather lose the car than buy a foggy deal. On “v — is this actually a good,” that was the fork that mattered for me. Post the numbers (or the code) and people can get more specific. I'd rather look cautious in this thread than stuck later.
DealTraveler643Community StarterCommunity StarterApr 6, 2026permalink
I'd slow the salesperson down here. In Portland, insurance quotes flipped a 2018 Cadillac CTS-V comparison for me more than the sale price did. Then the comparison gets honest. Do that first. If the VIN lookup is clean I'm still doing PPI.
NewCarPilotCommunity StarterCommunity StarterApr 6, 2026permalink
I'd want competing paper, not competing stories. A written buyer’s order on the 2018 Cadillac CTS-V is worth more than any verbal “we’ll make it work.” If they balk, that's your answer. Verbal 'we'll take care of it' is not a plan. PPI guy I use is booked until next week, so I'm waiting.
PistonCamperCommunity StarterCommunity StarterApr 7, 2026permalink
Insurance and tax belong in the comparison, not as a surprise. A written buyer’s order on the 2018 Cadillac CTS-V is worth more than any verbal “we’ll make it work.” Do that before you talk monthly again. On “v — is this actually a good,” that was the fork that mattered for me. Happy to compare notes if your setup is different. If your situation is the opposite, ignore me. I asked for the buyer’s order in email, not a text.
RustBeltWeekendCommunity StarterCommunity StarterApr 7, 2026permalink
Not convinced that's the whole story. Two 2018 Cadillac CTS-V quotes only help if both include tax, title, and the same options. Screenshot the worksheet if you can. Just my two cents from doing this recently. I'm in no rush to be a hero on it.
NewCarPilotCommunity StarterCommunity StarterApr 7, 2026permalink
That's a good start, but I wouldn't stop there. In Portland, insurance quotes flipped a 2018 Cadillac CTS-V comparison for me more than the sale price did. Screenshot the worksheet if you can. If they can't show the line item, I assume it's hiding. Worth doing even if the car feels fine right now. I'll update if anything new shows up.
BatteryPilot745Community StarterCommunity StarterApr 7, 2026permalink
Don't send a deposit on a phone quote. I would not wire money until I've seen the 2018 Cadillac CTS-V and the title situation in person or via a trusted PPI. Then the comparison gets honest. I'd want that in writing, not as a promise. Make the next action something you can finish this week. I'm in no rush to be a hero on it.
NewCarPilotCommunity StarterCommunity StarterApr 7, 2026permalink
Treat this like a math problem, not a vibe. Ask for out-the-door on the 2018 Cadillac CTS-V with fees, add-ons, and rate on separate lines. Do that before you talk monthly again. If they can't show the line item, I assume it's hiding. Not trying to scare you — just skip the expensive first guess. I'll post OTD once I have two apples-to-apples sheets.
ManualDad711Community StarterCommunity StarterApr 7, 2026permalink
Compare apples to apples or you'll get spun. Call your insurer in Portland before you fall in love with the 2018 Cadillac CTS-V. Do that before you talk monthly again. This is from a 2018 Cadillac CTS-V in Portland with 44,000 miles. I'd want that in writing, not as a promise. I'll post OTD once I have two apples-to-apples sheets.
BatteryPilot745Community StarterCommunity StarterApr 7, 2026permalink
The trap is a pretty payment hiding a worse car price. I would not wire money until I've seen the 2018 Cadillac CTS-V and the title situation in person or via a trusted PPI. Screenshot the worksheet if you can. I'd want that in writing, not as a promise. Doing the boring step first on purpose.
LongMilesEnthusiastCommunity StarterCommunity StarterApr 7, 2026permalink
OP update: I got two written quotes on the 2018 Cadillac CTS-V and the out-the-door gap is bigger than the ads made it look. I'd rather look cautious in this thread than stuck later.
RustBeltWeekendCommunity StarterCommunity StarterApr 7, 2026permalink
Don't send a deposit on a phone quote. Two 2018 Cadillac CTS-V quotes only help if both include tax, title, and the same options. Then the comparison gets honest. Just my two cents from doing this recently. I'm in no rush to be a hero on it.
RotorWrench276Community StarterCommunity StarterApr 7, 2026permalink
Insurance and tax belong in the comparison, not as a surprise. GAP, paint, and nitrogen are optional until you run the 2018 Cadillac CTS-V numbers without them. If they balk, that's your answer. On “v — is this actually a good,” that was the fork that mattered for me. When does it actually happen? I'd rather look cautious in this thread than stuck later.
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