Toyota Supra (A70), Full Specifications

Key Specifications

Spec	Value
Production Years	1986-1993
Manufacturer	Toyota Motor Corporation
Assembly	Tahara Plant, Aichi, Japan
Body Style	2-door coupe (liftback), available targa roof
Layout	Front engine, rear-wheel drive
Platform	A70
Chassis Codes	MA70 (turbo), GA70 (NA 3.0), JZA70 (1JZ turbo), GZ20 (2.0 Japan)
Wheelbase	2,594 mm
Overall Length	4,620 mm
Overall Width	1,745 mm (MA70), 1,690 mm (GA70)
Overall Height	1,300 mm
Track (front)	1,480 mm (MA70), 1,450 mm (GA70)
Track (rear)	1,470 mm (MA70), 1,440 mm (GA70)
Kerb Weight	1,510 kg (MA70 turbo, manual), 1,430 kg (GA70 NA, manual)
Weight Distribution	Approximately 53/47 front/rear
Fuel Tank Capacity	70 L
Drag Coefficient	0.32 Cd

Engine Specifications

7M-GTE (Turbo, MA70)

Spec	Value
Configuration	Inline 6, DOHC, 24-valve
Displacement	2,954 cc
Bore x Stroke	83.0 mm x 91.0 mm
Compression Ratio	8.4:1
Power	173 kW (232 hp) @ 5,600 rpm
Torque	340 Nm (251 lb-ft) @ 3,200 rpm
Turbocharger	Toyota CT-26 (single)
Boost Pressure	0.55 bar (8 psi) factory
Intercooler	Air-to-air, top-mount
Fuel System	Electronic fuel injection (EFI)
Fuel Requirement	98 RON (premium unleaded)
Redline	6,500 rpm
Oil Capacity	4.8 L (with filter)
Recommended Oil	15W-40 or 10W-40
Head Bolts	10 (known weakness, upgrade to ARP studs recommended)

7M-GE (Naturally Aspirated, GA70)

Spec	Value
Configuration	Inline 6, DOHC, 24-valve
Displacement	2,954 cc
Bore x Stroke	83.0 mm x 91.0 mm
Compression Ratio	9.2:1
Power	149 kW (200 hp) @ 6,000 rpm
Torque	275 Nm (203 lb-ft) @ 3,600 rpm
Fuel System	Electronic fuel injection (EFI)
Fuel Requirement	95 RON (premium unleaded)
Redline	6,800 rpm
Oil Capacity	4.8 L (with filter)

1JZ-GTE (Twin Turbo, JZA70, JDM only)

Spec	Value
Configuration	Inline 6, DOHC, 24-valve
Displacement	2,491 cc
Bore x Stroke	86.0 mm x 71.5 mm
Compression Ratio	8.5:1
Power	206 kW (276 hp) @ 6,200 rpm
Torque	363 Nm (268 lb-ft) @ 4,800 rpm
Turbocharger	Twin CT-12A ceramic turbos (sequential)
Fuel System	Electronic fuel injection (EFI)
Fuel Requirement	98 RON
Redline	7,000 rpm

1G-GTE (Twin Turbo, GZ20, JDM only)

Spec	Value
Configuration	Inline 6, DOHC, 24-valve
Displacement	1,988 cc
Bore x Stroke	75.0 mm x 75.0 mm
Compression Ratio	8.5:1
Power	136 kW (185 hp) @ 6,200 rpm
Torque	245 Nm (181 lb-ft) @ 3,200 rpm
Turbocharger	Twin CT-12 ceramic turbos
Fuel System	Electronic fuel injection (EFI)

Transmission Options

Transmission	Type	Gears	Applications	Torque Rating
W58	Manual	5-speed	GA70 (NA models)	~300 Nm
R154	Manual	5-speed	MA70 (turbo models)	~500 Nm
V160 (Getrag)	Manual	6-speed	JZA70 (some JDM turbo)	~600 Nm
A340E	Automatic	4-speed	All variants (option)	~350 Nm

R154 Gear Ratios

Gear	Ratio
1st	3.250
2nd	1.955
3rd	1.310
4th	1.000
5th	0.753
Reverse	3.272

W58 Gear Ratios

Gear	Ratio
1st	3.285
2nd	1.894
3rd	1.275
4th	1.000
5th	0.783
Reverse	3.768

Final Drive Ratios

Model	Ratio	LSD
MA70 Turbo (manual)	3.727:1	Yes (Torsen or clutch-type)
MA70 Turbo (auto)	3.909:1	No (open diff)
GA70 NA (manual)	3.727:1	No (open diff)
GA70 NA (auto)	4.083:1	No (open diff)

Suspension

Component	Front	Rear
Type	Independent, double wishbone	Independent, double wishbone
Springs	Coil	Coil
Dampers	Gas-pressurised telescopic	Gas-pressurised telescopic
Anti-roll Bar	Yes	Yes
Bearings	Pressed spherical bearings	Pressed spherical bearings
TEMS	Available on turbo models	Available on turbo models

Note: The A70 uses spherical bearings in the suspension arms, not rubber bushings. This is a key design feature that gives the car its precise handling. Replacement with polyurethane bushings is a downgrade.

Brakes

Component	Front	Rear
Type (MA70 Turbo)	Ventilated disc	Ventilated disc
Type (GA70 NA)	Ventilated disc	Solid disc
Diameter (MA70 Turbo)	296 mm	290 mm
Diameter (GA70 NA)	275 mm	270 mm
Caliper (MA70 Turbo)	4-piston (front)	2-piston (rear)
ABS	Available on all models

Performance (Factory/Period Tests)

Model	0-100 km/h	Quarter Mile	Top Speed
7M-GTE Turbo (manual)	6.1 s	~14.5 s @ 155 km/h	245 km/h (electronically limited)
7M-GTE Turbo (auto)	6.9 s	~15.2 s	230 km/h (limited)
7M-GE NA (manual)	7.7 s	~15.8 s	225 km/h
7M-GE NA (auto)	8.5 s	~16.4 s	210 km/h
1JZ-GTE (manual, JDM)	5.9 s	~14.2 s	250 km/h (limited)

Fuel Economy (Approximate, Real-World)

Model	L/100 km (mixed)
7M-GTE Turbo (manual)	12-15
7M-GTE Turbo (auto)	13-16
7M-GE NA (manual)	10-13
7M-GE NA (auto)	11-14

Dimensions Comparison, Pre-Facelift vs Facelift

Dimension	Pre-Facelift (1986-1988)	Facelift (1989-1993)
Overall Length	4,620 mm	4,620 mm
Overall Width	1,745 mm (turbo)	1,745 mm (turbo)
Overall Height	1,300 mm	1,300 mm
Tail Lights	Split (two-piece)	One-piece (full-width)
Bumpers	Original profile	Revised, smoother profile
Interior	First-generation dash	Updated dash and instruments

Model Variants (Japanese Domestic Market)

Variant	Engine	Key Features
3.0GT Turbo	7M-GTE	Wide body, LSD, sports suspension, TEMS
3.0GT Turbo Limited	7M-GTE	Turbo + leather interior, power seats, cruise control
3.0GT	7M-GE	NA engine, sport suspension, narrower body
3.0GT Limited	7M-GE	NA + luxury features
2.0GT Twin Turbo	1G-GTE	2.0L twin turbo (tax class), narrow body
2.5GT Twin Turbo	1JZ-GTE	2.5L twin turbo (1990+), wide body, 280 hp
2.5GT Twin Turbo R	1JZ-GTE	Track-focused, V160 Getrag, Torsen LSD, stiffer suspension

Common Upgrade Specifications

Injectors

Injector	Flow Rate	Suitable For
Stock 7M-GTE	260 cc	Up to ~230 hp (stock)
Stock 7M-GE	240 cc	NA applications
Aftermarket mild	440 cc	Up to ~350 hp
RC Engineering	550 cc	Up to ~500 hp (most popular upgrade)
Injector Dynamics ID1050X	1,050 cc	Up to ~750 hp
Injector Dynamics ID1700X	1,700 cc	750+ hp (race builds)

Popular Turbo Upgrades (for 2JZ-GTE swapped cars)

Turbo	HP Range	Spool Character
BorgWarner EFR 6758	300-450 hp	Quick spool, street-friendly
Garrett GTX3071R	350-500 hp	Quick spool, responsive
BorgWarner S362	450-650 hp	Moderate spool, strong mid/top
Garrett GTX3582R	500-700 hp	Moderate spool, big top end
Garrett GTW3884R	600-800+ hp	Slow spool, massive top end
BorgWarner S480	800-1,200+ hp	Slow spool, drag racing

Service Intervals

Service Item	Interval
Engine oil and filter	5,000-7,500 km or 6 months
Spark plugs	30,000 km (copper), 80,000 km (iridium)
Timing belt	100,000 km or 7 years (7M engines)
Coolant	80,000 km or 4 years
Brake fluid	24 months
Transmission oil (manual)	40,000 km
Differential oil	40,000 km
Air filter	20,000 km
Fuel filter	40,000 km

Tyre Specifications

Variant	Front	Rear
MA70 Turbo (stock)	225/50R16	245/45R16
GA70 NA (stock)	205/60R15	225/55R15
Common upgrade	235/45R17	255/40R17
Track setup	245/40R17	275/35R17

Production Numbers (Approximate)

Market	Total Production
Japan (all variants)	~65,000
North America (all variants)	~35,000
Other markets (including grey imports to Australia)	~8,000
Total worldwide	~108,000

Model Year	Notes
1986-1988	Pre-facelift. Split tail lights. Original bumper design.
1989-1993	Facelift. One-piece tail lights. Revised bumpers and interior.
1990-1993	JZA70 with 1JZ-GTE available (JDM only).

Weight Comparison

Configuration	Approximate Kerb Weight
7M-GTE Turbo, targa, manual	1,510 kg
7M-GTE Turbo, hardtop, manual	1,480 kg
7M-GE NA, targa, manual	1,430 kg
7M-GE NA, hardtop, manual	1,400 kg
2JZ-GTE swapped (typical)	1,480-1,530 kg