Car and Driver - USA (2019-12)

(Antfer) #1

TESTED BY K.C. COLWELL IN CHELSEA, MI 33


Chevrolet Corvette Stingray Z51
495-hp 6.2-L V-8, 8-sp auto
Ford Mustang Shelby GT350
526-hp 5.2-L V-8, 6-sp man
Porsche 718 Cayman S
350-hp 2.5-L flat-4, 7-sp auto
Porsche 911 Carrera S
443-hp 3.0-L flat-6, 8-sp auto


The Corvette has changed; its purpose
hasn’t. It is a terrific performance value.


2020 CHEVROLET


CORVETTE


STINGRAY Z51


TEST RESULTS

Rollout, 1 ft ....................................... 0.2 sec
Rolling Start, 5–60 mph .................. 3.5 sec
Top Gear, 30–50 mph .................... 1.9 sec
Top Gear, 50–70 mph ................... 2.5 sec
Top Speed ........................................ 184 mph
(drag ltd, mfr’s claim)
Weight
Curb .................................................... 3647 lb
Per Horsepower ................................. 7.4 lb
Distribution ............... F: 39.4% R: 60.6%
Center-of-Gravity Height ........... 19.0 in
Handling
Roadholding, 300-ft Skidpad ...... 1.03 g
Understeer: moderate
Braking
70–0 mph
149 ft
100–0 mph
301 ft
Fade Rating: none
Interior Sound Level
Idle ........................................................ 47 dBA
Full Throttle ...................................... 92 dBA
70-mph Cruising ............................. 74 dBA
Fuel
Capacity ............................................. 18.5 gal
Octane .......................... 91 (recommended)
EPA City ........................................... 16 mpg*
EPA Highway .................................. 26 mpg*
EPA Combined ................................ 19 mpg*
C/D 75-mph Highway Driving .... 26 mpg
C/D Highway Range ....................... 480 mi
*C/D est

Acceleration

COMPETITORS


60

30
0 26

100

150
11.2 @ 122

MP

H

SEC

60-MPH
ACCELERATION, SEC

1 /^4 - M

ILE^

ACC

ELE

RAT

ION

,^ SEC

$ x 1000BASE,* ROADH
OLD
ING

, (^30)
(^0) - FT
SKID
PAD
, (^) G
(^70)
– (^0) -
MP
H
BR
AK
ING
, (^) F
2.8 3.2 3.6 4.0 T
(^11). 0
(^11). 4
(^11). 8
(^12). 2
(^50)
(^75)
(^100)
(^125)
1.^00
1.^03
1.^06
1.^09
150 146 142 138
2.8



  1. 2


19.4

Price
As Tested ................................ $88,310
Base ......................................................................... $64,995


Vehicle Type: mid-engine, rear-wheel-drive,
2-passenger, 2-door targa
Options: 3LT Equipment package, $11,950;
visible carbon-fiber roof panel, $2495; Magnetic
Selective Ride Control and Performance Traction
Management, $1895; carbon-fiber interior trim,
$1500; front-axle lift, $1495; Spectra Gray wheels,
$1495; carbon-fiber engine trim, $995; Sebring
Orange paint, $995; orange seatbelts, $395;
Carbon Flash Metallic mirrors and spoiler, $100
Audio System: satellite radio; USB, minijack,
and Bluetooth-audio inputs; Android Auto and
Apple CarPlay interfaces; 14 speakers


Engine
V-8, aluminum block and heads
Bore x Stroke ..... 4.06 x 3.62 in, 103.3 x 92.0 mm
Displacement ................................. 376 cu in, 6162 cc
Compression Ratio ................................................ 11.5:1
Fuel Delivery: direct injection
Valve Gear: pushrods, 2 valves per cylinder,
variable intake- and exhaust-valve timing
Redline/Fuel Cutoff ..................... 6500/6600 rpm
Power .............................................. 495 hp @ 6450 rpm
Torque .......................................... 470 lb-ft @ 5150 rpm


Drivetrain
Transmission: 8-speed dual-clutch automatic
Final-Drive Ratio ................... 5.17:1, electronically
controlled limited-slip differential


Steering
rack-and-pinion with variable ratio and variable
electric power assist
Overall Ratio .............................................................. 15.7:1
Turns Lock-to-Lock ................................................ 2.5
Turning Circle Curb-to-Curb ..................... 36.4 ft


Chassis
aluminum spaceframe
Body Material: sheet-molded composite
Suspension
F: ind, unequal-length control arms, coil springs,
3-position electronically controlled
magnetorheological dampers, anti-roll bar
R: ind, unequal-length control arms and a
toe-control link, coil springs, 3-position
electronically controlled magnetorheological
dampers, anti-roll bar
Brakes
F: 13.6- x 1.2-in vented disc, 4-piston fixed caliper
R: 13.8- x 1.1-in vented disc, 4-piston fixed caliper
Stability Control: fully defeatable, traction off,
competition modes, launch control
Wheels and Tires
Wheel Size .................... F: 8.5 x 19 in R: 11.0 x 20 in
Wheel Construction: cast aluminum
Tires: Michelin Pilot Sport 4S ZP F: 245/35ZR-19
(89Y) TPC R: 305/30ZR-20 (99Y) TPC
Exterior Dimensions
Wheelbase ............................................................. 107.2 in
Length ...................................................................... 182.3 in
Width ............................................................................ 76.1 in
Height ........................................................................ 48.6 in
Track .............................................. F: 64.9 in R: 62.4 in
Interior Dimensions
Passenger Volume ............................................ 51 cu ft
Cargo Volume ...................................................... 13 cu ft

0

1K

2K

3K

4K

5K

6K

RP

M

MPH

7K

0 20 40 60 80 100 120 140 160 180

Gearing

1234 5 6 7 8

SHIFTS

TOP SPEED

2.^9

1 :^1

/^5

.^2


1.^7

6 :^1

/^8

.^6


1.^2

2 :^1

/^12

.^5


0.^8

8 :^1 /

17.^3
0.^65

:^1 /^2

3.^4
0.^51 :

1 /^29

.^8
0.^40 :


1 /^38.^0
0.^33 :^1 /

46.^0

Ratio/MPH per 1000 RPM

1/4-MILE

*includes
performance-
enhancing
options

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