1993-2002 Toyota Supra MK4 (JZA80) - Complete Technical Specifications

Vehicle Overview

The Toyota Supra MK4 (chassis code JZA80) represents the pinnacle of Japanese sports car engineering from the 1990s. Manufactured from 1993 to 2002, the A80 Supra achieved legendary status through its iconic twin-turbocharged 2JZ-GTE engine, timeless design, and unparalleled tuning potential.

Production Information

• Years Produced: 1993-2002
• Chassis Code: JZA80 (turbo), JZA70 (non-turbo)
• Generation: Fourth generation (A80)
• Production Units: Approximately 11,000 (all markets)

Available Variants

• Base: Naturally aspirated 2JZ-GE
• Turbo: 2JZ-GTE twin-turbo (US/European markets)
• RZ: Japanese market high-performance (2JZ-GTE, lightweight)
• SZ: Japanese market base turbo model
• SZ-R: Japanese market mid-level turbo model

Engine Specifications

2JZ-GTE Twin-Turbo Inline-6

Engine Code: 2JZ-GTE

Configuration:

• Type: Inline-6 cylinder, DOHC 24-valve
• Displacement: 2,997 cc (3.0L)
• Bore × Stroke: 86 mm × 86 mm (oversquare design)
• Compression Ratio: 8.5:1

Power Output:

• Official (JDM): 280 hp @ 5,600 rpm (Japanese gentlemen's agreement limit)
• Actual (Dyno Measured): 320+ hp @ 5,600 rpm
• US Market: 320 hp @ 5,800 rpm (no power limit)
• Torque: 318 lb-ft @ 4,000 rpm (431 Nm)

Forced Induction:

• System: Twin-turbochargers (CT12A ceramic turbos - early models)
• Configuration: Sequential twin-turbo (low-speed primary, high-speed secondary)
• Boost Pressure: 8.8 psi stock (0.6 bar)
• Intercooler: Air-to-air front-mount

Engine Management:

• Fuel System: Sequential multi-point fuel injection
• Ignition: Direct coil-on-plug
• ECU: Toyota TCCS (Toyota Computer Controlled System)
• Redline: 6,800 rpm (fuel cut at 7,000 rpm)

Notable Features:

• Cast-iron engine block (legendary durability)
• Forged steel crankshaft
• Forged connecting rods
• Hypereutectic pistons (stock)
• Oil squirters for piston cooling
• Built to handle 800+ hp with stock internals

Drivetrain Specifications

Drivetrain Type: RWD (Rear-Wheel Drive)

Transmission

Manual Transmission (Primary):

• Model: Getrag V160 6-speed manual
• Gear Ratios:
  • 1st: 3.827:1
  • 2nd: 2.360:1
  • 3rd: 1.685:1
  • 4th: 1.312:1
  • 5th: 1.000:1
  • 6th: 0.793:1 (overdrive)
  • Reverse: 3.830:1
• Final Drive: 3.133:1

Automatic Transmission (Optional):

• Model: Toyota A340E 4-speed automatic
• Gear Ratios:
  • 1st: 2.804:1
  • 2nd: 1.531:1
  • 3rd: 1.000:1
  • 4th: 0.705:1 (overdrive)
• Final Drive: 3.769:1

Clutch (Manual)

• Type: Single-plate dry clutch
• Diameter: 240 mm
• Hydraulically actuated

Differential

• Type: Torsen Limited-Slip Differential (LSD)
• Operation: Torque-sensing mechanical LSD
• Ratio: 3.133:1 (manual), 3.769:1 (automatic)
• Notable: No electronic aids - pure mechanical grip distribution

Chassis & Suspension

Chassis Construction: Steel unibody with reinforced A-pillars

Front Suspension

• Type: Independent double-wishbone
• Springs: Coil springs
• Dampers: Twin-tube shock absorbers
• Anti-roll bar: 27 mm diameter

Rear Suspension

• Type: Independent multi-link (5-link)
• Springs: Coil springs
• Dampers: Twin-tube shock absorbers
• Anti-roll bar: 19 mm diameter

Steering

• Type: Rack-and-pinion with power assist
• Turns lock-to-lock: 2.8
• Turning radius: 5.6 meters (18.4 feet)

Brakes

Front:

• Type: Ventilated disc brakes
• Diameter: 323 mm (12.7 inches)
• Thickness: 32 mm
• Caliper: 4-piston opposed (twin-pot on non-turbo)

Rear:

• Type: Ventilated disc brakes
• Diameter: 320 mm (12.6 inches)
• Thickness: 20 mm
• Caliper: 2-piston opposed

ABS: 4-channel 4-sensor ABS standard

Wheels & Tires

Turbo Models:

• Front: 16×8 inches (optional 17×8)
• Rear: 16×9 inches (optional 17×9.5)
• Bolt Pattern: 5×114.3 mm
• Offset: +50 mm front, +38 mm rear

Standard Tires:

• Front: 225/50R16 (or 235/45R17)
• Rear: 245/45R16 (or 255/40R17)

Dimensions & Weight

Exterior Dimensions:

• Length: 4,520 mm (178.0 inches)
• Width: 1,810 mm (71.3 inches)
• Height: 1,275 mm (50.2 inches)
• Wheelbase: 2,550 mm (100.4 inches)

Interior Dimensions:

• Front Headroom: 960 mm (37.8 inches)
• Front Legroom: 1,095 mm (43.1 inches)
• Rear Headroom: 890 mm (35.0 inches) - limited
• Rear Legroom: 730 mm (28.7 inches) - very limited

Weight:

• Curb Weight (Turbo Manual): 1,490 kg (3,285 lbs)
• Curb Weight (Turbo Auto): 1,520 kg (3,351 lbs)
• Weight Distribution: 53% front / 47% rear (turbo manual)
• Gross Vehicle Weight: 1,850 kg (4,079 lbs)

Cargo Capacity:

• Trunk Volume: 310 liters (11.0 cubic feet)

Performance Figures

Acceleration (Turbo Manual)

• 0-60 mph: 4.6 seconds (verified)
• 0-100 km/h: 4.8 seconds
• Quarter Mile: 13.1 seconds @ 109 mph
• 0-100 mph: 11.2 seconds

Top Speed

• Electronically Limited: 155 mph (250 km/h) - JDM/European models
• US Market (No Limiter): 177 mph (285 km/h) observed

Lateral Performance

• Skidpad (Lateral G): 0.95g (stock suspension)
• Slalom Speed: 64.2 mph

Braking

• 60-0 mph: 120 feet (36.6 meters)
• 100-0 mph: 325 feet (99.1 meters)

Fuel Economy

• City: 17 mpg (13.8 L/100km)
• Highway: 25 mpg (9.4 L/100km)
• Combined: 20 mpg (11.8 L/100km)

Fluid Capacities

Engine & Cooling:

• Engine Oil: 5.3 quarts with filter (5.0 liters)
• Oil Type: 5W-30 or 10W-30 synthetic recommended
• Coolant: 10.3 quarts (9.7 liters)
• Coolant Type: Toyota Long Life Coolant (red)

Fuel System:

• Fuel Tank: 18.5 gallons (70 liters)
• Fuel Type: Premium unleaded (91+ octane)

Transmission & Drivetrain:

• Manual Transmission (Getrag V160): 2.3 quarts (2.2 liters) - 75W-90 gear oil
• Automatic Transmission (A340E): 4.2 quarts (4.0 liters) - ATF Type T-IV
• Differential: 1.5 quarts (1.4 liters) - 75W-90 gear oil

Other Fluids:

• Brake Fluid: DOT 3 or DOT 4
• Power Steering: ATF Dexron II/III
• Windshield Washer: 1.5 gallons (5.7 liters)

Import Eligibility & Pricing

US Import Status (2026)

• ✅ Legal to Import: All Supra MK4 models 1993-2001 are now 25+ years old
• ⚠️ 2002 Models: Legal to import in 2027

Current Market Value (US, 2026)

• Base Condition (Turbo): $60,000-$80,000
• Clean Examples: $80,000-$120,000
• Low-Mileage Pristine: $120,000-$180,000
• Rare Variants (RZ, Anniversary): $150,000-$250,000+

Common Issues & Known Problems

1. Turbo Failure (CT12A Ceramic Turbos)

   • Ceramic wheel turbos prone to failure
   • Solution: Upgrade to metal wheel turbos (GT3076R, GT3582R)

2. Automatic Transmission Weakness

   • A340E not suitable for high power
   • Solution: Manual swap or build transmission

3. Fuel Pump Issues

   • Stock pump insufficient for >400 hp
   • Solution: Walbro 255 LPH or dual pump setup

4. Dashboard Cracking

   • Common on all A80 Supras
   • Solution: Dashboard cover or replacement

5. Hatch Glass Cracking

   • Stress cracks around third brake light
   • Solution: Reinforcement kit before cracking occurs

Related Wiki Pages

• Supra MK4 Maintenance Schedule
• Supra MK4 Turbo Upgrades
• Supra MK4 Parts Catalog
• 2JZ-GTE Engine Build Guide