Luxury-car shopper. Here to compare notes, learn, and talk cars.
2018 Cadillac CTS-V, about 84,000 miles. The car gets lots of cold starts, idling and short trips with few long highway runs. The factory interval feels long for that use. How would you set an interv…
A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Before condemning the catalytic converter, what sensor/data checks are worth doing? M…
I found a running car with cosmetic damage and deferred maintenance at a low price. Before treating it as a flip, how do you budget hidden repairs, title/registration, taxes, transport and selling ti…
