New information has reached the internet surrounding the all-but-confirmed mid-engine Corvette. The news comes from a leaked IHS Markit analysis report, which a Corvette Forum user published on Tuesday.
The document details three distinct V8 engines for production at General Motors’ Tonawanda powertrain facility in New York that are said to power two models: Y1BC (that’s the current C7 Corvette) and Y2BC. The latter Y2BC vehicle is particularly interesting, since here’s what it stands for:
- The Y refers to Corvette platforms
- The 2 following the Y stands for the second generation of the architecture, in this case being the mid-engine car
- The B stands for coupe or sports car body style
- The C stands for brand getting the vehicle, in this case Chevrolet
The document states that three engines are planned for Y2BC, or the future Corvette C8 mid-engine model. First is a 6.2-liter V8 engine, likely the LT1. The second is a 4.2-liter DOHC V8 engine, and finally, a 5.5-liter DOHC V8 engine is mentioned. The market forecast has the majority of volume going to the 6.2L V8 with 14,000 units produced annually from 2019 to 2021. Since the C7 Corvette variants also utilize the engine, we can assume the C7 Corvette will stick around until at least the 2021 model year.
The reports shows much smaller production outputs for the other two DOHC engines. The 4.2-liter DOHC V8 receives an average of 7,000 unit annual production rate while the 5.5-liter DOHC V8 receives a 5,000 average yearly production rate. With smaller production levels, both engines will likely achieve higher outputs than the 6.2L V8 and be reserved for higher-performance variants of the mid-engine Corvette.
Also noted in the report are the 4.2-liter V8’s twin turbochargers and specific Cadillac use aside from the C8 Corvette, or Y2BC. We know Cadillac has a DOHC V8 in the works (more info on the twin turbo Cadillac V-8 DOHC engine), so this isn’t much of a surprise. What is a surprise, however, is the mention of “Cadillac Sports Car” in the market analysis. Although the report does not mention year-by-year production counts for an engine, the sports car is listed as having an “average production per year” of 300 units. It could mean a Cadillac sports car is on the table but hasn’t been given a green light just yet.
The report certainly helps fill in a few blanks surrounding the Corvette’s future and it seems more likely than ever the C7 and C8 Corvettes will live on side-by-side for a few years. Though, it does pose even more questions surrounding the car’s launch cadence. If the report’s timeline proves true, the new engines are slated for production in 2019, which would line up with previous reports of a 2019 on-sale date for the mid-engine Corvette. Thus, 2018 could be a suspenseful year.
- Future Corvette information
- Midengine Corvette information
- Corvette sales numbers
- Potential info about GM engines for C8: