Giampaolo Dallara brought deep experience from Ferrari, Maserati, Lamborghini, and De Tomaso before establishing his own company. He also co-founded the Autodromo Riccardo Paletti in Varano. The company initially built chassis for sports car racing and hillclimbing in smaller engine classes, then designed its first Formula Three car for Walter Wolf Racing in 1978.
The first F3 car bearing the Dallara name appeared in 1981, and the company quickly became the force to beat in Italian open-wheel competition. From 1985 onward, Dallara drivers have claimed the Italian Formula Three Championship every year with the single exception of 1990. The company expanded into German and French markets through the late 1980s and early 1990s, winning the German title in 1987 and the French championship in both 1987 and 1992.
The landmark 1993 F393 model featured major aerodynamic upgrades and a monodamper front suspension layout. It was so competitive that numerous British Formula Three entrants abandoned Reynard and Ralt chassis to remain competitive. By the mid-1990s Dallara had established itself as the default choice across every major Formula Three series. The company has won the Macau Grand Prix consistently since 1993. Sébastien Bourdais driving for Martini in France in 1999 was among the last meaningful challenges to Dallara's stranglehold on the category.
Dallara entered Formula One in 1988 as chassis constructor for BMS Scuderia Italia. The partnership lasted through the 1992 season, with the team's best results being a pair of third-place finishes: Andrea de Cesaris at the 1989 Canadian Grand Prix and JJ Lehto at the 1991 San Marino Grand Prix.
The company returned to F1 briefly in 1999 to build a test chassis for Honda's planned — but ultimately aborted — return to the series. Further discussions with the nascent Midland team in 2004 regarding a 2006 entry also came to nothing after Midland acquired the Jordan team. Dallara built the chassis for Hispania Racing's 2010 entry, but the partnership ended acrimoniously in May 2010 amid payment disputes and criticism over the F110's engineering quality.
The most enduring recent F1 relationship has been with the Haas F1 Team, confirmed in April 2014. Dallara has designed and manufactured every Haas car from the 2016 VF-16 through to the 2026 season.
Dallara debuted as an IndyCar chassis builder in 1997 and became the category's sole supplier in 2007. Jim Guthrie took the company's first Indy car victory at Phoenix in March 1997, and Eddie Cheever won Dallara's first Indianapolis 500 in 1998. The manufacturer has gone on to win seventeen of the twenty Indianapolis 500s it has contested. The company opened an engineering and entertainment center in Speedway, Indiana, near the Indianapolis Motor Speedway in 2012.
The fourth-generation DW-12 chassis, introduced for 2012, was named in honour of late IndyCar driver Dan Wheldon, who died testing the car at Las Vegas in October 2011. The universal aero kit specification introduced in 2018 as UAK18 has remained in use through 2026.
Dallara has extended its single-seater reach across multiple championships. It became the exclusive supplier for the World Series by Nissan in 2002, then secured the contract for the World Series by Renault in 2004. The FIA appointed Dallara as the sole chassis builder for both the FIA Formula 2 Championship (formerly GP2 Series) and the FIA Formula 3 Championship (formerly GP3 Series), giving the company near-total coverage of the main feeder ladder into Formula One.
In 2007 Dallara created the Formulino concept to bridge the gap between karting and Formula Three, first used in the ADAC Formel Masters from 2008. The company also designed the SF19 chassis for the Japanese Super Formula series, incorporating the halo device under FIA safety guidelines.
Dallara's involvement in prototype sports car racing began in the early 1980s with the Lancia LC1 and LC2, built in partnership with Abarth. The company returned to endurance racing in 1993 with the Ferrari 333 SP for IMSA GT competition, which proved highly competitive on both sides of the Atlantic. Further work followed with Toyota (GT-One), Audi (various R8 iterations), and Chrysler in the early 2000s; the Audi R8 became one of the most dominant prototypes in 24 Hours of Le Mans history.
Dallara was named among four constructors for the 2017 LMP2 and DPi regulations, fielding the P217 chassis. It is one of four suppliers for the LMDh class, currently providing platforms for BMW's M Hybrid V8 and Cadillac's V-Series.R, with a McLaren LMDh chassis planned for 2027. Dallara also produces the chassis for the Ferrari 499P, though that car is not classified as LMDh.
In 2007 Dallara partnered with KTM to produce the X-Bow sports car, shown at the Geneva Motor Show in 2008. The company has provided engineering services for road car projects from Renault, Alfa Romeo, Bugatti, Maserati, and Lamborghini. In 2017, on the occasion of Giampaolo Dallara's 81st birthday, the company unveiled its first road car, the Stradale.
Dallara also produces handbikes under the Z-Bike brand and designed a specialised handbike for Paralympic athlete Alex Zanardi, who used it to win four gold and two silver medals across the 2012 and 2016 Paralympic Games. On the aerospace side, Dallara designed the drill for the Philae robotic lander on the Rosetta probe, and has partnered with Raytheon for the MALD programme for the United States Air Force.
Dallara's position in global motorsport is without parallel among chassis constructors. Having begun as a small Italian workshop, the company has grown into the backbone of the world's premier open-wheel development ladder, combining commercial dominance with genuine engineering innovation across formula, prototype, and road car disciplines.