F1 vs IndyCar: The Differences Explained

Overview

Formula 1, governed by the FIA, is a global championship that visits over 20 countries each season. It is the most technologically advanced form of motor racing, with teams spending hundreds of millions of pounds designing bespoke cars that push the boundaries of engineering. Each team builds its own chassis and develops its own power unit (or purchases one from a manufacturer partner).

IndyCar, sanctioned by INDYCAR LLC and owned by Penske Entertainment, is a predominantly American series that races on a mix of ovals, road courses, and street circuits across the United States and occasionally Canada. Unlike F1, IndyCar uses a spec chassis produced by Dallara, with two engine manufacturers — Honda and Chevrolet — supplying the field. This spec approach dramatically reduces costs and creates closer, more unpredictable racing.

Both series represent the highest level of open-wheel racing in their respective markets, but the differences in philosophy create two very distinct spectacles.

Car Design

Formula 1 cars are bespoke machines, designed and built by each individual team. Under the 2026 regulations, F1 cars feature 1.6-litre V6 turbo-hybrid power units producing approximately 1,000 bhp combined from the internal combustion engine and a significantly more powerful electric motor than in previous years. Active aerodynamics, including adjustable front and rear wing elements, are a key feature of the new rules. Each car weighs a minimum of 768 kg and generates enormous downforce through complex floor and wing designs, enabling cornering speeds that no other racing car can match.

IndyCar uses a single chassis — the Dallara IR-18 (with updates) — supplied to every team on the grid. The cars are powered by 2.2-litre twin-turbocharged V6 engines producing around 700 bhp on road and street courses, boosted to approximately 800 bhp on ovals via increased turbo boost. IndyCar machines weigh roughly 730 kg without fuel. While IndyCar's aerodynamic packages are simpler than F1's, teams can choose between different aero kits optimised for ovals or road courses.

The fundamental difference is cost and complexity. An F1 team's annual budget can exceed $135 million on car development alone (the budget cap), while an IndyCar team can compete for a fraction of that sum. F1 rewards innovation and engineering excellence; IndyCar rewards driver skill within a tighter performance window.

Tracks: Circuits vs Ovals

One of the most obvious differences between the two series is the type of tracks they race on. Formula 1 exclusively races on road courses and street circuits — purpose-built facilities like Silverstone, Spa-Francorchamps, and Suzuka, as well as temporary street tracks in Monaco, Singapore, and Las Vegas. F1 has not raced on an oval since the Indianapolis Motor Speedway hosted the United States Grand Prix from 2000 to 2007 (using an infield road course configuration).

IndyCar, by contrast, includes oval racing as a core part of its identity. The Indianapolis 500 — the crown jewel of American motorsport — takes place on the famous 2.5-mile Indianapolis Motor Speedway oval. Other ovals on the calendar include Iowa Speedway and Gateway. The remainder of the IndyCar schedule features road courses (like Barber Motorsports Park and Mid-Ohio) and street circuits (like Long Beach and Detroit).

Oval racing demands a completely different skill set from road course racing. On ovals, drivers run at sustained high speeds with minimal braking, relying on aerodynamic setup, bravery in close-quarters pack racing, and precise car placement. The risk is significantly higher: wall impacts at 200+ mph are a constant danger. This variety of disciplines is one of IndyCar's unique strengths.

Speed Comparison

The question "which is faster?" does not have a straightforward answer because it depends entirely on the type of circuit. On oval tracks, IndyCar reaches higher top speeds. Qualifying speeds at Indianapolis regularly exceed 370 km/h (230 mph), and pack racing on superspeedways sees cars running nose-to-tail at sustained speeds above 350 km/h. F1 cars, by contrast, have a top speed of approximately 350–360 km/h in low-downforce configurations (such as at Monza).

However, on road courses and street circuits, F1 cars are significantly faster. The combination of vastly superior aerodynamic downforce, lighter weight relative to power, more sophisticated hybrid energy deployment, and advanced tyres means an F1 car would lap a road course several seconds faster than an IndyCar. At Circuit of the Americas in Austin — one of the few tracks used by both series — F1 lap times are typically 15 to 20 seconds quicker over a 5.5 km lap.

In terms of acceleration, F1 cars reach 100 km/h in approximately 2.6 seconds, while IndyCars take around 3 seconds. The braking performance of F1 cars is also markedly superior, thanks to carbon-ceramic brakes and greater aerodynamic downforce assisting deceleration.

Global vs US Focus

Formula 1 is a truly global sport. The 2026 calendar includes races across Europe, the Middle East, Asia, the Americas, and Oceania. Teams are based primarily in the UK and Italy, drivers come from over a dozen countries, and the series attracts broadcast audiences exceeding 1.5 billion cumulative viewers across more than 180 territories. The explosion of F1's popularity in the United States, driven in part by the Netflix documentary series Drive to Survive, has led to three American races on the calendar: Miami, Austin, and Las Vegas.

IndyCar is overwhelmingly American in its focus. Nearly all races take place in the United States, the driver lineup skews heavily towards North and South American talent, and its primary broadcast market is domestic. That said, IndyCar has a growing international following, and the Indianapolis 500 transcends the series itself as one of the most prestigious events in world motorsport, drawing hundreds of thousands of spectators and a global television audience.

For UK fans, F1 is by far the more accessible series, with comprehensive Sky Sports coverage and a deep cultural connection through British teams (McLaren, Mercedes, Williams, Aston Martin) and drivers. IndyCar coverage in the UK is available but more limited.

Costs

The financial gulf between Formula 1 and IndyCar is enormous. F1 operates under a budget cap of approximately $135 million per season for car performance expenditure, but this excludes driver salaries, marketing, and the costs of the top three highest-paid personnel. Total team spending for front-running F1 operations comfortably exceeds $200 million annually. Power unit development, excluded from the cap, adds further hundreds of millions for manufacturer teams like Mercedes, Ferrari, and Red Bull Powertrains.

IndyCar operates on a fraction of these budgets. A competitive full-season IndyCar programme can be run for $10–20 million, with the spec Dallara chassis costing approximately $3 million. Engine leases from Honda or Chevrolet are the largest single expense. Smaller teams can enter the series for even less, though they will struggle to compete with the elite Penske, Ganassi, and Andretti operations.

This cost difference is the primary reason IndyCar racing is so much more competitive and unpredictable on a week-to-week basis. With identical chassis and similar engines, the performance gap between the best and worst cars is far smaller than in F1, where the difference between a front-runner and a backmarker can be multiple seconds per lap.

Driver Crossovers

Throughout motorsport history, a number of drivers have competed in both Formula 1 and IndyCar, though crossovers have become rarer in the modern era.

Juan Pablo Montoya is the most notable modern crossover. The Colombian won the CART championship and the Indianapolis 500 in 2000, then moved to F1 with Williams and McLaren between 2001 and 2006, winning seven Grands Prix. He returned to IndyCar and won a second Indy 500 in 2015 — a remarkable feat that underlined his exceptional versatility.

Jacques Villeneuve won the CART title and the Indy 500 in 1995 before moving to F1 with Williams, where he won the 1997 World Championship. His transition remains one of the most successful in the history of either series.

Fernando Alonso attempted the Indianapolis 500 in 2017 and 2020 as part of his quest to win motorsport's Triple Crown (Monaco GP, Indy 500, Le Mans 24 Hours). While he failed to win at Indianapolis — a DNF in 2017 and a best finish of 21st in 2020 — his presence brought enormous global attention to the event and highlighted the respect F1 drivers hold for the race.

Other notable crossovers include Nigel Mansell, who won the CART title in 1993 immediately after winning the F1 championship, and Marcus Ericsson, who moved from a modest F1 career with Sauber to win the 2022 Indianapolis 500 with Chip Ganassi Racing.

The FIA Super Licence points system, which governs entry to F1, does not award as many points for IndyCar results as for junior single-seater series, making the jump from IndyCar to F1 increasingly difficult for aspiring drivers.

Points System

Formula 1 awards points to the top 10 finishers: 25-18-15-12-10-8-6-4-2-1, with an additional point available for the fastest lap (if the driver finishes in the top 10). Sprint races award a reduced points scale to the top 8 finishers. The drivers' and constructors' championships are decided by cumulative points over the season.

IndyCar uses a more generous points scale, awarding points to every finisher. The winner receives 50 points, with the scale decreasing through the field. Bonus points are awarded for pole position, leading a lap, and leading the most laps. The Indianapolis 500 awards double points, reflecting its special status. This system means a single bad result is less catastrophic in IndyCar than in F1, and consistency is rewarded across a wider range of finishing positions.

Calendar

The 2026 F1 season features 24 Grands Prix spanning March to December, visiting circuits across five continents. The calendar includes a mix of traditional European venues (Silverstone, Monza, Spa), modern purpose-built facilities (Bahrain, Abu Dhabi, Jeddah), and glamorous street circuits (Monaco, Singapore, Las Vegas). The season also includes up to six Sprint weekends with a condensed qualifying and short race format on Saturday.

The 2026 IndyCar season typically runs from March to September with approximately 17 races, almost exclusively in the United States. The highlight is the Month of May at Indianapolis, which includes practice, qualifying, and the Indianapolis 500 itself. The shorter calendar and domestic focus make IndyCar a more compact championship, though the variety of track types — ovals, road courses, and streets — ensures no two weekends feel the same.

TV Coverage in the UK

For UK viewers, Formula 1 is broadcast live on Sky Sports F1, which provides comprehensive coverage of every practice session, qualifying, sprint, and race. Channel 4 shows free-to-air highlights of every race weekend, plus live coverage of the British Grand Prix. F1 TV Pro, the sport's own streaming service, is also available in the UK for those who want an alternative to Sky.

IndyCar coverage in the UK is more limited but still accessible. Sky Sports F1 broadcasts live coverage of most IndyCar races, including the Indianapolis 500. Some races may appear on Sky Sports Main Event or be available via the Sky Go and NOW TV apps. For dedicated fans, the IndyCar website and social media channels provide additional content, timing, and live commentary.

Race times can be challenging for UK viewers, as most IndyCar events take place in the US afternoon and evening, meaning late-night viewing. F1, by contrast, offers a wider spread of time zones, with European races at convenient afternoon slots and Asian/Australian races in the morning.

For full F1 broadcast listings, see our TV schedule page.