Go traditional 401k. If you're not planning on retiring until age 62, you won't need to worry about early withdrawal penalties for either traditional or Roth accounts. Your income is high, and your spending much lower, so for tax-minimization purposes, I'd advise you to max out your tax-deferred (traditional) 401k contributions.
You live on half your earnings now. In retirement, you'll draw on your Roth accounts, taxable accounts, and tax-deferred accounts (traditional 401k/IRA), which means that your taxable income will be even lower, assuming the same spending rate. That means that you'll almost certainly be paying a lower marginal rate when you retire, and likely a much lower marginal rate. That means that the traditional 401k is easily the best option for you, from a tax perspective.