Smith has quite a teacher in his rookie year on the Sprint Cup circuit.
As a kid growing up near Syracuse, N.Y., he would watch Martin and Dale Earnhardt win races on television. Now, the 24-year-old is teammates with Martin and working for the team named after the late "Intimidator."
"I've got the best of both worlds here," Smith said this week.
He's also got a long way to go to match the accomplishments of Martin and Earnhardt.
Smith is 31st in the points standings, tops for a rookie entering this weekend's race at Michigan but about 500 points behind the 12th-place cutoff for the championship chase. His best finish was 14th at Martinsville in April.
There have been the normal challenges a rookie faces. Smith's No. 01 Chevy doesn't have full-time sponsorship, and two weeks ago a new crew chief, Dan Stillman, took over, as the team hoped to smooth out his ride.
While winning is always a goal, Smith would be satisfied with making small steps forward: finishing in the top 20 each week, then shooting for consistent top-15 finishes and so forth.
"The main thing is to keep making progress," he said. "Hopefully, by the end of the year, we get a couple of top-5s, maybe four or five top-10s."
By that account, the Pocono 500 last week may have been a disappointment after a 28th-place finish, though he thinks the team is on the right track with Stillman. Smith was fifth when the green flag came out on a restart with 18 laps to go, but got shuffled out of line to get sent to the back.
"I wouldn't say we're happy by any means," Smith said. "But definitely we've been picking our performance up."
One bright spot for Smith during the grueling weekend in the Pennsylvania mountains was qualifying a career-best fourth, good enough to start alongside his teammate, Martin. He said Martin has helped him "more than anybody there could be in racing has helped me out."
Martin sounded like a proud father at Pocono.
"Awesome, man! You did good," he told Smith before extending a hearty handshake as the two passed each other between news conferences after qualifying.
It was quite a compliment from man who ran his first NASCAR race in 1981 -- two years before Smith was born. Martin's 35 career Sprint Cup victories is fourth among active drivers and 17th all-time.
Smith is getting a firsthand look at Martin's competitiveness -- a part-time schedule of 24 races hasn't sapped enthusiasm from the 49-year-old driver. In fact, Martin boldly predicted at Pocono that he would win the Brickyard 400 at Indianapolis Motor Speedway in July.
"We've got the stuff. We've got the team. I have never planned on anything, but that's my plan for the Brickyard," said Martin, who is known more as a bit of a pessimist. "That's the crown jewel."
Smith this week in a phone interview said he only caught the end of Martin's plucky prediction.
"Mark's a very passionate guy," he said. "He doesn't have to do it. He doesn't have to prove anything to anybody. It just shows how determined he is at 49."
Martin exudes more confidence in his crew chief, Tony Gibson, as the weeks go on. With a race Sunday at Michigan International Speedway, Martin's immediate goal is more consistency throughout the race.
"We still have some work cut out for us on getting the car better over the entire run, as we've been dropping off for some reason," he said. "Still, I think that we'll have a good car this weekend."
Martin splits his ride in the No. 8 Chevy with Aric Almirola. The other drivers for Dale Earnhardt Inc. include Martin Truex Jr. and Paul Menard.
But it's Martin who is credited with providing stability at DEI since Dale Earnhardt Jr. left for the powerhouse Hendrick Motorsports team after last season.
Smith recalls a Nationwide Series race at Charlotte last year in which Martin got on the radio.
"At first, I didn't know whose voice it was," Smith said. "He pretty much took over spotting duties that night from his Turn 1 condo."
Smith finished fifth that race.
Smith hopes his career will be as long and successful as Martin's.
"I hope so, that would be cool," Smith said about racing at age 49. "This is the only thing I know how to do."
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