Photos: Naturally aspirated LS6 engine powers heritage-inspired 2027 Corvette models

Chevrolet is revitalizing its iconic Corvette Grand Sport lineage with the introduction of the 2027 Corvette Grand Sport and the new Grand Sport X models. These vehicles blend heritage-inspired design cues from the 1960s C2 race cars with advanced engineering, centered around a naturally aspirated 6.7L LS6 V8 engine. The Grand Sport is a rear-wheel-drive model producing 535 horsepower and 520 lb-ft of torque, featuring an optional quad center-exit exhaust—the first center exhaust for a pushrod V8 in the eighth-generation Corvette. The Grand Sport X adds an all-wheel-drive system by pairing the V8 engine at the rear axle with a front-axle electric motor delivering 145 lb-ft of torque, boosting total output to 721 horsepower for enhanced traction and performance. The LS6 engine represents a significant advancement with a 13.0:1 compression ratio, a 95-mm throttle body, and a tunnel ram intake that increases airflow and power across the