New engine or second car?

I really want to get a Subaru STI Impreza because I'm a little tired of daily-ing the C5 and it looks like a lot of fun. But I want to keep the C5 as well.
I can't just get a newer Corvette to delay big upgrades to mine, because I want a new car to cost under $20k. I see when shopping, C6 Z06 and Grand Sports are $30k. So its better to just keep and upgrade my C5 with say $12k.
If I got the STI I could get an LS1 rebuild kit for the Vette and work on it myself because it would no longer be my daily.
If I get an engine and trans swap for the C5 I imagine it would be incredibly reliable for several years to come and could get an STI later.
It gets tough when I start thinking about insurance, because I would insure the C5 higher after doing that much money in upgrades. But getting a second car also raises what I spend in insurance.
So I'm just trying to figure out the best bang for the buck option. I'm emotionally attached to the C5 and it's hard to accept the BEST option is to sell the C5 and add that cash to getting a much better STI. Then I'm just sitting on the other side of the fence watching all of you guys have fun, like I am right now with Impreza owners playing in the dirt and snow.
So those of you who swapped engines or fully rebuilt, has that been a good reliable choice? Do you insure it for the upgrades you spent?
Anyone with an Impreza want to chime in?
You guys have always been a great source of knowledge and experience, thanks in advance.
If you spend that money and more towards an entirely second vehicle, then you will only suffer the depreciation of the second car. If you can work out the depreciation to be less than $5k, then maybe that would be a better deal. Sounds like you are a car keeper type...there is no wrong answer... Just depends if you can find a great deal on a new DD or if you could find a buyer for your C5 without having to give it away.
Option 1: Buy an STI now and sell or trade-in the C5. You can always come back to a Corvette as a second car a few years down the road if it makes more sense at that time. The price of 08+ C6's will presumably have come down further by then, too.
Option 2: Drive the C5 until it breaks, then replace it at that point (either with an STI or newer Vette - whatever feels right).
The 2nd option is clearly cheaper and easier. Since your engine and trans currently run smoothly, it is unlikely either will spontaneously grenade, leaving you stranded on the side of the road. More likely, they'll start to exhibit symptoms before giving you any major problems. But, can you live with the C5 as a daily driver for another couple years? Only you can decide.
The auto trans would be the first item to go and would be about a day to swap a replacement in.
I have 152k on my 2002 C5 and a buddy is bumping off of 200k on his 2000. His is leaking out of the front main seal and he put in a rear main seal a couple of years ago. about 2 yrs ago I did both front and rear main seals. Other than these major repairs (from the amount of labor) both have been oil changes, coolant and plugs/wires when needed.
Gary
FWIW, Subaru bought back our 2015 Outback 3.6 under the Lemon Law. I have very little faith in ANY new car's longevity. Subes enjoy a good reputation, reflected in resale values; a major part of our decision to buy, but I read that rep is sinking.
I keep a cost spreadsheet on a car, compuing monthly and per mile cost of ownership WRT bdepreciation and maintenance. When I get 'the urge' I can quickly compare current cost of ownership to the replacement's payments, etc. It typically snaps me back to reality. I find that usually the best car is the paid-for one. Lower plate fees and insurance are bonuses to my wallet, as long as the car servces my transport needs. I get a big bill now and then, which is lower, when compared to payments and new car depreeciation. When that month outlay gets reversed, it's time to replace.
Last edited by whalepirot; Jan 16, 2017 at 11:39 AM.
I have been (and still am) a C5 owner that I had been emotionally attached to. It was my first sportscar I bought right out of college. The thought of selling it was never been an option even if it was sitting in the garage.
Since then I bought an Audi Q5, BMW M5 and a Honda CRZ as a daily driver. Now I am actually thinking of the C5 in the garage attached to a battery tender, the insurance it costs and the fun it would have being driven by its second owner.
A Subaru STi would be a good alternative, however, it is not a good daily driver since it goes 18mpg and depending on how it is modded, a harsh ride. I have a Mitsubishi GSX at the same time as the C5 and it was not the perfect daily driver. It probably would be better if I did not mod it, but turbo cars are so fun to improve.
A new car is great to have but you have to look what your intended use for it is. My dd is a CRZ 6-speed that goes 45mpg, will upgrade to an Audi eTRON in a few months.
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