Greg Biffle had a net worth of $40 million at the time of his death, according to Celebrity Net Worth. Gregory Jack Biffle a.k.a. "The Biff" passed away at 55 years old due to a plane crash on December 18. He was traveling to Florida with his wife, Cristina Grossu Biffle, and his two children, Ryder and Emma, whom he shared with his ex-wife, Nicole Lunders. The Biffles, along with three other people, were on their way to a birthday celebration.The majority of Greg Biffle's net worth comes from his two-decade-long NASCAR career. He was considered to be one of the best and most well-rounded racers of his time. According to Celebrity Net Worth, Biffle has appeared in more than 500 Cup races and won 19 of them. He also has a record of finishing in the top-5 92 times, and 175 times in the top-10.According to data from Celebrity Net Worth, Greg Biffle's earnings from racing alone had amounted to $90 million. Most of his money was made from the NASCAR Cup Series, where he made $75.6 million during his career. He also earned around $12.5 million from racing in the Xfinity and Truck Series combined. In 2005, he finished second in the championship and earned nearly $8.4 million.Greg Biffle was named NASCAR's 75 Greatest Drivers in 2023. He was also nominated for the NASCAR Hall of Fame.Tributes for Greg Biffle and his familyGreg Biffle, along with his wife and two children, passed away on Thursday morning due to a fatal plane crash. The family of four, along with three other passengers, was on their way to Florida for a birthday celebration when tragedy struck.It is a sad day in the NASCAR world. Family, friends, and fans have poured in their tributes for all seven lives that were lost.NASCAR shared a public statement. It begins:"NASCAR is devastated by the tragic loss of Greg Biffle, his wife Cristina, daughter Emma, son Ryder, Craig Wadsworth and Dennis and Jack Dutton in a fatal plane crash."The statement continued to highlight how Biffle was a great driver and well-loved in the racing world."Greg was more than a champion driver, he was a beloved member of the NASCAR community, a fierce competitor, and a friend to so many. His passion for racing, his integrity, and his commitment to fans and fellow competitors alike made a lasting impact on the sport. On the track, Greg’s talent and tenacity earned him championships in the NASCAR Xfinity Series and NASCAR CRAFTSMAN Truck Series, as well as numerous wins and accolades in the NASCAR Cup Series."It also spoke about how generous Greg was as a human being, giving back to the community, and helping those who were in need. It concludes:"Beyond his racing career, he gave of himself for the betterment of our community. Most notably, Greg spent countless hours of his time helping the citizens of North Carolina during the disasters that followed Hurricane Helene. His tireless work saved lives. Our thoughts and deepest condolences go out to Greg’s entire family, friends, and all who were touched by his life."Nashville Superspeedway General Manager Matt Greci wrote:"We are heartbroken by the passing of Greg Biffle. Greg was the winner of one of our first races here at Nashville Superspeedway and a true ambassador for our sport. More importantly, he was generous with his time, his presence and his heart. "He added:"Just this past summer, Greg was with us and played a meaningful role in supporting Speedway Children's Charities, helping us make a real difference in the lives of others. Our thoughts and prayers are with Greg's family, friends and everyone across the NASCAR community who is mourning this loss."The founder of RFK Racing, Jack Roush, also shared a tribute for the late NASCAR driver, writing:"The entire Charlotte sports community has suffered a tremendous loss. The tragic accident involving Greg Biffle and his family today is incredibly heartbreaking. I have lost a dear friend and partner in our NASCAR program. His contributions to our race team over the years are immeasurable. My condolences are with all those who loved and knew Greg and his family." View this post on Instagram Instagram PostShane Hilliard, the Yancey County Sheriff, took to Facebook to share his condolences. He wrote:"The Yancey County Sheriff's Office is deeply saddened by the tragic loss of Greg Biffle and his family, who was killed today in an airplane crash. Greg did so much for the citizens of Yancey County during and after the hurricane, and his impact on our community will not be forgotten. Our thoughts and prayers are with the Biffle family."The family was on their way to Florida to meet their friend Garrett Mitchell, also known on YouTube as Cleetus McFarland. Mitchell took to Facebook to share the sad news, writing:"Unfortunately, I can confirm Greg Biffle, his wife Cristina, daughter Emma, and son Ryder were on that plane... Because they were on their way to spend the afternoon with us. We are devastated. I'm so sorry to share this."Governor Josh Stein of North Carolina wrote on Facebook, expressing his condolences:"Heartbreaking news out of Statesville. Beyond his success as a NASCAR driver, Greg Biffle lived a life of courage and compassion and stepped up for western North Carolina after Hurricane Helene. My heart goes out to all those who lost a loved one in this tragic crash."Senator Thom Tillis also took to Facebook to write:"Susan and I are heartbroken by the tragic loss of Greg Biffle and his family. Greg was a titan in the NASCAR community both on and off the racetrack. After Helene devastated Western North Carolina, Greg stepped up without hesitation by using his own personal helicopter to rescue victims and provide crucial aid to North Carolinians in need. Through his selfless service, Greg demonstrated what service truly looks like. His impact will be felt for years, and he and his family will truly be missed."Fellow race driver, Chase Briscoe, took to X to pay his tribute. He wrote:"Tough day for our community. The Biff obviously made a big impact on the track winning over 50 races but it doesn’t even come close to the impact he made off the track especially with everything he did during the hurricane relief. Thoughts and prayers for the Biffle family."Greg Biffle was a highly successful NASCAR driver who built a $40 million net worth through years of hard work and talent. He was respected not only for his achievements on the track but also for his kindness and service to others. His sudden death with his family has left the NASCAR world and many communities in grief.Also read: Who was Greg Biffle's daughter with ex-wife Nicole Lunders? Everything we know about NASCAR driver's family following deadly plane crash