Chevrolet currently holds the most wins in NASCAR's divisions. They are still the most dominant auto maker in general.
43 and Richard Petty got 200 wins in his career with that being his number his whole career.
Through race #20, Kevin Harvick's Chevrolet Impala and Kyle Busch's Toyota Camry are tied with three wins each in the Nascar Cup Series.
A Nascar race car has 850 Horsepower(HP) @ 9,000 RPM.
Depending on the track a NASCAR driver can win up to $350,000 per race if he wins the race. Jeff Gordon placed 32nd this year and still received $10000,
You could race your own car if you were rich enough.
None of it. NASCAR sponsors don't make cars.
No, there has never been an instance where a car was struck by lightning during a NASCAR race.