The Chevrolet Corvette C7 ZR1, produced for the 2018 and 2019 model years, represents the pinnacle of performance for the seventh-generation Corvette. Positioned as the highest-performance variant of the C7, the ZR1 aimed to deliver track-ready capabilities while maintaining a degree of street usability. It built upon the already potent Z06 model, offering significantly more power and aerodynamic enhancements. The C7 generation (2014-2019) marked a significant shift for the Corvette, moving towards a more refined and technologically advanced sports car, and the ZR1 exemplified this evolution.
Technical Specifications
| Brand | Chevrolet |
| Model | Corvette |
| Generation | Corvette Coupe (C7) |
| Type (Engine) | ZR1 6.2 V8 (755 Hp) |
| Start of production | 2018 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 2 |
| Doors | 2 |
| Fuel consumption (economy) – urban | 18.1 l/100 km (13 US mpg, 15.6 UK mpg, 5.5 km/l) |
| Fuel consumption (economy) – extra urban | 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 km/l) |
| Fuel consumption (economy) – combined | 15.7 l/100 km (15 US mpg, 18 UK mpg, 6.4 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 2.2 kg/Hp, 464.3 Hp/tonne |
| Weight-to-torque ratio | 1.7 kg/Nm, 595.9 Nm/tonne |
| Power | 755 Hp @ 6300 rpm |
| Power per litre | 122.5 Hp/l |
| Torque | 969 Nm @ 4400 rpm (714.7 lb.-ft. @ 4400 rpm) |
| Maximum engine speed | 6500 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | LT5 |
| Engine displacement | 6162 cm3 (376.03 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103.25 mm (4.06 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Direct injection and Multi-port manifold injection |
| Engine aspiration | Supercharger, Intercooler |
| Valvetrain | VVT |
| Engine oil capacity | 9.3 l (9.83 US qt | 8.18 UK qt) |
| Coolant | 13.1 l (13.84 US qt | 11.53 UK qt) |
| Kerb Weight | 1626 kg (3584.72 lbs.) |
| Trunk (boot) space – minimum | 425 l (15.01 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4567 mm (179.8 in.) |
| Width | 1966 mm (77.4 in.) |
| Height | 1232 mm (48.5 in.) |
| Wheelbase | 2710 mm (106.69 in.) |
| Front track | 1636 mm (64.41 in.) |
| Rear (Back) track | 1615 mm (63.58 in.) |
| Minimum turning circle (turning diameter) | 12.2 m (40.03 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 7 gears, manual transmission |
| Front suspension | Double wishbone, Transverse stabilizer |
| Rear suspension | Double wishbone, Transverse stabilizer |
| Front brakes | Ventilated discs, 394 mm |
| Rear brakes | Ventilated discs, 388 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | Front wheel tires: 285/30 R19 Rear wheel tires: 335/25 R20 |
| Wheel rims size | Front wheel rims: 10J x 19 Rear wheel rims: 12J x 20 |
Powertrain & Engine Architecture
The heart of the C7 ZR1 is the LT5 6.2-liter supercharged V8 engine. This engine represents a significant departure from the naturally aspirated LS engines found in earlier Corvettes. The LT5 utilizes a 2.65-liter Eaton supercharger with four-lobe rotors, delivering an impressive 755 horsepower at 6,300 rpm and 715 lb-ft of torque at 4,400 rpm. Direct injection and multi-port fuel injection work in concert to optimize combustion efficiency and power output. The engine features Active Fuel Management (AFM), which deactivates four cylinders during light-load cruising to improve fuel economy. The ZR1 exclusively came with a seven-speed manual transmission, a robust unit designed to handle the immense power. The engine’s internal components, including the connecting rods and pistons, were strengthened to withstand the increased stresses associated with forced induction.
Driving Characteristics
The ZR1’s driving experience is dominated by its prodigious power and responsive chassis. The supercharger provides instant and relentless acceleration, making it a formidable performer on both the street and the track. The seven-speed manual transmission offers precise shifts, although the clutch pedal can be somewhat heavy for extended use. The ZR1’s suspension, featuring Magnetic Ride Control, provides a surprisingly compliant ride for a car of its performance capabilities. However, it truly shines when pushed hard, offering exceptional body control and grip. Compared to the Z06, the ZR1 feels more powerful and more stable at high speeds. The increased torque allows for effortless passing and strong acceleration in any gear. The manual transmission, while engaging, requires skill to master, and some drivers may prefer the convenience of an automatic in daily driving situations.
Equipment & Trim Levels
The ZR1 was offered with a relatively limited range of options, focusing on performance and aesthetics. Standard features included leather upholstery, heated and ventilated seats, a Bose premium audio system, and a performance data recorder. Optional extras included a carbon fiber interior trim package, a ZTK Performance Package (which added a larger front splitter, rear wing, and specific suspension tuning), and various exterior color options. The interior layout mirrored that of other C7 Corvettes, with a driver-focused cockpit and a central touchscreen infotainment system. The ZTK package significantly enhanced the ZR1’s track performance, increasing downforce and improving handling balance.
Chassis & Braking
The C7 ZR1 utilizes a lightweight aluminum frame, contributing to its relatively low curb weight of 3,584.72 lbs. The suspension features double wishbones at both the front and rear, with Magnetic Ride Control dampers providing adjustable damping rates. Brembo carbon ceramic brakes are standard, offering exceptional stopping power and fade resistance. The front brakes measure 394 mm, while the rear brakes measure 388 mm. The ZR1’s chassis is designed to maximize rigidity and minimize weight, resulting in a responsive and balanced handling experience. The standard tires are Michelin Pilot Sport Cup 2 tires, providing exceptional grip in dry conditions.
Market Reception & Comparison
The C7 ZR1 was widely praised by automotive critics for its blistering performance and track capabilities. It was often compared favorably to other high-performance supercars, such as the Porsche 911 GT2 RS and the McLaren 720S. While the ZR1’s fuel economy is understandably poor (15 US mpg combined), it is comparable to other cars in its class. Reliability has been generally good, although the supercharger and its associated components require careful maintenance. Compared to the Z06, the ZR1 commands a significant price premium, reflecting its increased performance and exclusivity. The Z06, with its naturally aspirated engine, offers a different driving experience, emphasizing responsiveness and a more linear power delivery.
Legacy
The C7 ZR1 represents a high-water mark for the front-engine Corvette. Its potent powertrain, advanced chassis technology, and track-focused design have cemented its place as a modern American performance icon. On the used car market, the ZR1 commands a premium price, particularly for well-maintained examples with the ZTK Performance Package. The LT5 engine, while complex, has proven to be relatively reliable when properly maintained. The C7 ZR1’s legacy extends beyond its performance figures; it demonstrated Chevrolet’s commitment to building world-class sports cars that can compete with the best from Europe and beyond.
