Is the C8 Corvette Z06 a future classic?
The engineering argument for the C8 Z06 as a future classic is stronger than any car I've evaluated in recent years. The LT6 is not an iteration on prior Corvette V8 architecture — it is a clean-sheet design, borrowing its flat-plane crankshaft concept from Ferrari and its valve timing from motorsport. No previous Corvette used a flat-plane crank. No previous production GM engine produced 670 hp naturally aspirated. This is a genuine milestone.
The LT6 Engine
The 5.5-litre LT6 DOHC V8 uses a flat-plane crankshaft — the configuration that allows the engine to rev to 8,600 rpm and produces the exhaust note associated with Ferrari and McLaren V8s rather than American pushrod engines. The result: 670 hp at 8,400 rpm and 460 lb-ft of torque, from 5.5 litres without forced induction. Dry-sump oil system, double overhead camshafts, active engine mounts — technologies that previously appeared only in European supercars at two to three times the price.
| Spec | C8 Z06 (2023+) | C7 Z06 (2015–2019) |
|---|---|---|
| Engine | 5.5L LT6 flat-plane DOHC | 6.2L LT4 supercharged |
| Power | 670 hp @ 8,400 rpm | 650 hp @ 6,400 rpm |
| Redline | 8,600 rpm | 6,600 rpm |
| 0–60 mph | 2.6 sec | 2.95 sec |
| Engine layout | Mid-engine, transverse | Front engine |
| 2026 value | $130,000–$220,000 | $65,000–$120,000 |
Future Classic Arguments
For: unique LT6 engine not shared with any other GM vehicle; first mid-engine Z06 — a historically irreversible configuration change; limited production of Z06-specific components creates inherent scarcity. Against: still in active production; current prices at or above MSRP; early 2023 examples have LT6 dry-sump service bulletins worth reviewing. The optimal buying window is likely 3–5 years from now.
"The LT6 is the most significant Corvette engine since the L88 — flat-plane crank, 8,600 rpm, 670 horsepower without a supercharger, from General Motors, at $110,000. The build sheet on every C8 Z06 is documenting history in real time. Keep the paperwork."
— Tom Ramirez