MkII vs. MkI Comparison

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This data compares the MkII (second generation) MR2 with the MkI (first generation) MR2. All data is based on the 1991 (MkII) and 1989 (MkI) model years.

- Major Changes
- Front Suspension, Alignment Specifications
- Rear Suspension, Alignment Specifications
- Engine Specifications, Forced Induction
- Engine Specifications, Normally Aspirated
- Manual Transaxle Specifications
- Automatic Transaxle Specifications
- Drive Shaft Specifications
- Brake Specifications
- Heating/Air Conditioning System Specifications

Major Changes

Item MkII MkI
General Engine 3S-GTE, 5S-FE 4A-GZE, 4A-GE
Transaxle Manual E153, S54 E51, C52
Automatic A241E A241E, A240E
Engine 3S-GTE
(In comparison
with 4A-GZE)		 Displacement cu.in. (cc) 121.9 (1998) 96.8 (1587)
Bore x Stroke in. (mm) 3.39 x 3.39 (86.0 x 86.0) 3.19 x 3.03 (81.0 x 77.0)
Mechanism Twin-Entry Turbocharger Roots Type Supercharger
Max. Output (SAE-NET) 200 HP @ 6000 rpm 145 HP @ 6400 rpm
Max. Torque (SAE-NET) 200 ft-lbs @ 3200 rpm 140 ft-lbs @ 4000 rpm
5S-FE
(In comparison
with 4A-GE)		 Displacement cu.in. (cc) 132.0 (2164) 96.8 (1587)
Bore x Stroke in. (mm) 3.43 x 3.58 (87.0 x 91.0) 3.19 x 3.03 (81.0 x 77.0)
Valve Mechanism Belt & Gear Drive Compant DOHC Belt Drive DOHC
EFI D-Type L-Type
Max. Output (SAE-NET) 130 HP @ 5400 rpm 115 HP @ 6600 rpm
Max. Torque (SAE-NET) 140 ft-lbs @ 4400 rpm 100 ft-lbs @ 4800 rpm
Fuel Tank Capacity US.gal.(l) 14.3 (54) 10.8 (41)
Chassis Brake Type 4-Wheel Ventilated Disc Front: Ventilated Disc
Rear: Solid Disc
ABS (Anti-lock Brake System) Optional Not Available
Power Steering Optional (For USA Only):
Electro-Hydraulic Power Steering		 Not Available
Suspension Brace (Upper), Front/Rear SW20: STD/STD
SW21: STD/-		 STD/N.A.
Tire & Wheel Type Front and Rear Wheels
different sizes		 All four wheels same size
Size Fr: 195/60 R14 14 x 6JJ
Rr: 205/60 R14 14 x 7JJ		 Fr & Rr: 185/60 R14 14 x 5.5JJ
(OPT: 14 x 6JJ alumiwheel)
Stabilizer Bar, Front/Rear STD/STD 4A-GZE: STD/STD
4A-GE: STD/N.A.
Body & Electrical Spoiler, Front/Rear SW20: STD/STD
SW21: STD/OPT		 STD/OPT
(OPT: Roof Spoiler)
Fog Lights USA SW20: OPT
Canada: STD
(Canada for Daytime Running
Light System)		 Not Available
CD Player Optional Not Available

Front Suspension, Alignment Specifications

Item MkII MkI
Camber Angle (deg) -1 0
Castor Angle (deg) 2.8 5.1
Castor Trail (mm) 16 15.2
Toe-in (mm) 0 0
Kingpin Angle (deg) 13.8 12.4
Kingpin Offset (mm) 0 25.7

Rear Suspension, Alignment Specifications

Item MkII MkI
Toe-in (mm) 6 5
Camber Angle (deg) -1.5 -1.2
Kingpin Offset (mm) 0 5

Engine Specifications (Forced Induction)

Item 3S-GTE 4A-GZE
No. of Cyls. & Arrangement 4-Cylinder, In-line Type 4-Cylinder, In-line Type
Valve Mechanism 4 Valves, DOHC, Belt Drive 4 Valves, DOHC, Belt Drive
Combustion Chamber Pentroof Type Pentroof Type
Manifolds Cross-flow Cross-flow
Displacement cu.in. (cc) 121.9 (1998) 96.8 (1587)
Bore x Stroke in. (mm) 3.39 x 3.39 (86.0 x 86.0) 3.19 x 3.03 (81.0 x 77.0)
Compression Ratio 8.8 : 1 8.0 : 1
Max. Output (SAE-NET) 200 HP @ 6000 rpm 145 HP @ 6400 rpm
Max. Torque (SAE-NET) 200 ft-lbs @ 3200 rpm 140 ft-lbs @ 4000 rpm
Fuel Octane Number (RON) 96 96
Oil Grade API SG API SF or SG

Engine Specifications (Normally Aspirated)

Item 5S-FE 4A-GE
No. of Cyls. & Arrangement 4-Cylinder, In-line Type 4-Cylinder, In-line Type
Valve Mechanism 4 Valves, DOHC, Belt & Gear Drive 4 Valves, DOHC, Belt Drive
Combustion Chamber Pentroof Type Pentroof Type
Manifolds Cross-flow Cross-flow
Displacement cu.in. (cc) 132.0 (2164) 96.8 (1587)
Bore x Stroke in. (mm) 3.43 x 3.58 (87.0 x 91.0) 3.19 x 3.03 (81.0 x 77.0)
Compression Ratio 9.5 : 1 9.4 : 1
Max. Output (SAE-NET) 130 HP @ 5400 rpm 115 HP @ 6600 rpm
Max. Torque (SAE-NET) 140 ft-lbs @ 4400 rpm 100 ft-lbs @ 4800 rpm
Fuel Octane Number (RON) 91 91
Oil Grade API SG API SF or SG

Manual Transaxle Specifications

Item 3S-GTE
(E153) 		4A-GZE
(E51)
Gear Ratio 1st 3.230 3.230
2nd 1.913 1.913
3rd 1.258 1.258
4th 0.918 0.918
5th 0.731 0.731
Reverse 3.545 3.583
Differential Gear Ratio 4.285 4.285
Oil Capacity 4.4 US qts. (4.2 liters, 3.6 Imp. qts.)
Oil Viscosity SAE 75w-90 or 80w-90
Oil Grade API GL-4 or GL-5

Automatic Transaxle Specifications

Item A241E
Gear Ratio 1st 3.643
2nd 2.008
3rd 1.296
4th (Overdrive) 0.892
Reverse 2.977
Differential Gear Ratio 3.034
Fluid Capacity 8.5 US qts. (8.0 liters, 7.0 Imp. qts.)
Type of Fluid ATF Type DEXTRON II

Drive Shaft Specifications

Item MkII MkI
5S-FE 3S-GTE 4A-GE 4A-GZE
Differential Side Universal Joint Tripod Type CVJ Cross-Groove Type CVJ Tripod Type CVJ Cross-Groove Type CVJ
Wheel Side Universal Joint Rzeppa Type CVJ Rzeppa Type CVJ Rzeppa Type CVJ Rzeppa Type CVJ
Left and Right Shaft Lengths Unequal Equal Unequal Unequal
Right-Hand Drive Shaft With Dynamic Damper With Center Bearing Normal With Dynamic Damper
CVJ: Constant Velocity Joint

Brake Specifications

Item MkII MkI
5S-FE 3S-GTE 4A-GE 4A-GZE
Master
Cylinder		 Type Tandem Tandem Tandem Tandem
Diameter in.(mm) 0.87 (22.22) 0.87 (22.22) 0.87 (22.22) 0.87 (22.22)
Brake
Booster		 Type Single Tandem Single Tandem
Size in. 9" 7" + 8" 8" 7" + 8"
Front
Brake		 Type Ventilated Disc Ventilated Disc Ventilated Disc Ventilated Disc
Pad Area in.² (cm²) 6.67 (43) x 2 x 2 7.60 (49) x 2 x 2 6.67 (43) x 2 x 2 6.67 (43) x 2 x 2
Wheel Cylinder Dia. in. (mm) 2.01 (51.1) 1.44 (36.5) 2.01 (51.1) 2.01 (51.1)
Rotor Size (DxT)¹ in.(mm) 10.16 (258)
x 0.98 (25)		 10.16 (258)
x 0.98 (25)		 10.16 (258)
x 0.87 (22)		 10.16 (258)
x 0.87 (22)
Rear
Brake		 Type Ventilated Disc Ventilated Disc Solid Disc Solid Disc
Pad Area in.² (cm²) 5.58 (36) x 2 (Inner Pads)
5.43 (35) x 2 (Outer Pads)		 5.58 (36) x 2 (Inner Pads)
5.43 (35) x 2 (Outer Pads)		 5.58 (36) x 2 (Inner Pads)
5.43 (35) x 2 (Outer Pads)		 5.58 (36) x 2 (Inner Pads)
5.43 (35) x 2 (Outer Pads)
Wheel Cylinder Dia. in. (mm) 1.63 (41.3) 1.44 (36.5) 1.63 (41.3) 1.44 (36.5)
Rotor Size (DxT)¹ in.(mm) 10.53 (263)
x 0.63 (16)		 10.53 (263)
x 0.63 (16)		 10.35 (263)
x 0.39 (10)		 10.35 (263)
x 0.39 (10)
Brake
Control
Valve		 Type P & B P & B P & B P & B
Deflection Point of Hydraulic Pressure psi (kg/cm²) 426.69 (30) 853.38 (60) 497.81 (35) 640.04 (45)
Pressure Reduction Gradient 0.6 0.6 0.37 0.37
Parking Brake Type Disc Disc Disc Disc
ABS (Anti-Lock Brake System) Optional Optional Not Available Not Available
¹ D: Outer Diameter, T: Thickness

Heating/Air Conditioning System Specifications

Item MkII MkI
Heater Heating Capacity (kcal/h) 3200 3100
Air Flow Volume (m³/h) 265 250
Power Consumption (W) 165 165
Heater Core Type Flat tube type Flat tube type
Size W x H x L in. (mm) 5.5 x 6.3 x 1.9
(140.5 x 160 x 49)		 5.5 x 6.3 x 1.9
(140.5 x 160 x 49)
Fin Pitch in. (mm) 0.08 (2.0) 0.08 (2.0)
Blower Motor Type S70F12T 70F11T
Fan Size Dia. x H in. (mm) 5.5 x 2.6 (140 x 65) 5.5 x 2.6 (140 x 65)
Air Conditioner Cooling Capacity (kcal/h) 3350 2950
Air Flow Volume (m³/h) 425 375
Power Consumption (W) 205 205
Condensor Type Serpentine tube type Serpentine tube type
Size W x H x L in. (mm) 25.4 x 13.0 x 0.9
(646 x 329.6 x 22)		 23.1 x 10.9 x 0.9
(586 x 278 x 22)
Fin Pitch in. (mm) 0.14 (3.6) 0.14 (3.6)
Evaporator Type Drawn cup type Drawn cup type
Size W x H x L in. (mm) 8.3 x 8.3 x 3.5
(212 x 210 x 90)		 7.8 x 8.5 x 3.3
(199 x 216 x 85)
Fin Pitch in. (mm) 0.16 (4.0) 0.14 (3.6)
Compressor Type 10P13C 10P13C
Electric Fans Motor Type M/T: 70F (80W)
A/T: 86F (120W)		 M/T: 70F (80W)
A/T: 86F (120W)
Fan Size Dia. in. (mm) 5S-FE: 11.0 (280)
3S-GTE: 11.8 (300)		 11.0 (280)
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Last Update: Saturday 18-Apr-98 22:04:53