SPC's 100-WHP touring-car category, combining former one-make and B-Spec machinery in tightly regulated competition.
The Super Production Challenge (SPC) operates three distinct competition categories: Super Production, Production, and Compact.
The Compact category represents SPC's lightweight, lower-power touring-car class. Designed around strict power-to-weight equalization and spec tires, Compact provides high-intensity, wheel-to-wheel road racing where corner entry speeds, aerodynamic drafting, and driver precision determine every finishing position.
Last verified against SPC publications: August 2026
Factory-built race spec subcompact platform.
Historic Canadian subcompact cup machinery.
B-Spec regulated subcompact competition vehicles.
Historic Honda subcompact cup cars.
Cars in the Compact class operate under a strict 100 WHP maximum limit and a 25 lb/WHP minimum power-to-weight ratio. Compliance is enforced via mandatory series GPS performance data loggers.
Mandatory safety equipment and vehicle preparation in accordance with current SPC technical rules and applicable ASN/FIA requirements.
With regulated 100 WHP power limits, corner-exit speed is everything. Dropping a few km/h on turn-in impacts acceleration down the entire following straight.
Close aerodynamic drafting allows trains of 3 to 5 cars to pull each other along main straights, leading to intense multi-car passing attempts into braking zones.
As part of multi-class SPC events, Compact drivers battle for class position while navigating faster Super Production and Production category traffic.
A standard Super Production Challenge weekend features practice sessions, qualifying rounds, and multiple championship sprint races across the event schedule. Competitors accumulate points toward both Driver and Team classifications throughout the 15-round championship.
Bowmanville, ON
Mont-Tremblant, QC
Calabogie, ON
Trois-Rivières, QC
Mont-Tremblant, QC
Explore how race cars originally developed for Canadian one-make championships—including Micra Cup, Echo Cup, and Honda Michelin machinery—continue competing alongside B-Spec vehicles within today's SPC Compact category.
By providing a stable, power-equalized technical framework, the Super Production Challenge preserves the competitive life of iconic Canadian cup cars across historic venues like Shannonville Motorsport Park and Complexe ICAR, as well as current championship road courses.
Information based on published 2026 Super Production Challenge regulations. Regulations and technical bulletins remain subject to official series updates during the season.
