MR2 Technical/Road Test Data

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-Road & Track - November 1984
-Motor Trend - January 1985
-Car And Driver - February 1985
-Autocar - March 1985

Road & Track - November 1984

Price

List Price, Tokyo ......................................... $7510
Price as tested ........................................... $8750
Price as tested includes std. equip. (elect. mirrors, tilt
  steering wheel), air cond. ($623) AM/FM stereo/cassette
  (397), elect. window lifts and central door locking ($197)
  additional storage bin ($23)

Manufacturer

Toyota Motor Corporation, 1, Toyota-cho, Toyota City, Japan

General

Curb weight, lb/kg .................... 2095 .............. 950
Test weight ........................... 2270 .............. 1031
Weight dist (w/driver, f/r, % ............................. 44/56
Wheelbase, in./mm ..................... 91.3 .............. 2320
Track, front/rear ..................... 56.7/56.9 ......... 1440/1445
Length ................................ 154.5 ............. 3925
Width ................................. 65.6 .............. 1665
Height ................................ 49.2 .............. 1250
Ground clearance ...................... 5.0 ............... 127
Overhang, f/r ......................... 33.0/30.2 ......... 838/767
Trunk space, cu ft/liters ............. 7.2+4.6 ........... 204+130
Fuel capacity, US gal./liters ......... 10.8 .............. 41

Accommodation

Seating capacity, persons ................................. 2
Head room, in/mm ...................... 36.5 .............. 927
Seat width ............................ 2 x 18.5 .......... 2 x 470
Seatback adjustment, deg .................................. 50

Engine

Type ...................................................... DOHC inline-4
Bore x stroke, in./mm ................. 3.19 x 3.03 ....... 81.0 x 77.0
Displacement, cu in/mm ................ 96.8 .............. 1587
Compression ratio ......................................... 9.4
Bhp @ RPM, JIS net/kW ..................................... 130/97 @ 6600
  Equivalent mph/ km/h .................................... 122/196
Torque @ RPM, lb-ft/Nm .................................... 110/149 @ 5200
  Equivalent mph/ km/h .................................... 96/155
Fuel Injection ............................................ Bosch D-Jetronic
Fuel requirement .......................................... unleaded, 91-oct.
Exhaust-emission control equipement: 3-way catalytic converter, oxygen sensor

Drivetrain

Transmission .............................................. 5-sp manual
Gear ratios: 5th (0.82) ................................... 3.53:1
             4th (0.97) ................................... 4.18:1
             3th (1.31) ................................... 5.65:1
             2nd (1.90) ................................... 8.19:1
             1st (3.17) ................................... 13.66:1
Final drive ratio ......................................... 4.13:1

Instrumentation

Instruments: 180 km/h (112-mph) speedo, 9000-RPM tach, 999,999 odo,
  999.9 trip/odo, oil press., coolant temp, voltmeter, fuel level.
Warning lights: brake system/handbrake, engine check, battery discharge,
  engine fan out, catalytic converter overheating, low fuel, rear-
  window heat, hazard, high beam, directionals.

Chassis & Body

Layout ................................ mid engine/rear drive
Body/frame ............................ unit steel with ladder frame
Brake system .......................... 9.6-in. (243 mm) vented discs front
                                        9.4-in. (240 mm) discs rear, vacuum
                                        assisted.
  Swept area, sq. in./sq cm ........... 356 ............... 2297
Wheels ................................ cast alloy, 14 x 5.5 JJ
Tires ................................. Bridgestone Potenza RE86, 185/60R-14
Steering type ......................... rack & pinion
  Overall ratio ....................... 18.0:1
  Turns, lock-to-lock ................. 3.1
  Turning circle, ft/m ................ 31.5 .............. 9.6
Front suspension: MacPherson struts, lateral links, compliance struts, coil
  springs, tube shocks, anti-roll bar
Rear suspension: Chapman struts, lateral links, trailing arms, toe links,
  coil springs, tube shocks

Maintenance

Service intervals, mi:
  Oil/filter change ................... 6200/6200
  Chassis lube ........................ none
  Tuneup .............................. 30,000
Warranty, mo/mi ....................... overall, 12/12,400; powertrain 24/48,000

Calculated Data

Lb/bhp (test weight) ...................................... 17.5
Mph/1000 rpm (5th gear) ................................... 18.5
Engine revs/mi (60 mph) ................................... 3250
Piston travel, ft/mi ...................................... 1629
R&T steering index ........................................ 0.98
Brake swept area, sq in./ton .............................. 314

Acceleration

Time to distance, sec:
  0-100 ft ................................................ 3.3
  0-500 ft ................................................ 9.1
  0-1320 ft (1/4 mi) ...................................... 16.9
Speed at end of 1/4 mi, mph ............................... 82.0
Time to speed, sec:
  0-30 mph ................................................ 3.0
  0-50 mph ................................................ 6.7
  0-60 mph ................................................ 8.9
  0-70 mph ................................................ 12.2
  0-80 mph ................................................ 16.0
  0-100 mph ............................................... 29.5

Speed in Gears

5th gear (6500 rpm) ....................................... 120
4th (7700) ................................................ 121
3rd (7700) ................................................ 87
2th (7700) ................................................ 60
1st (7700) ................................................ 37

Fuel Economy

Normal driving, mpg ....................................... 25.0
Cruising range, mi (1-gal. res) ........................... 245

Handling

Lateral accel, 100-ft radius, g ........................... 0.816
Speed thru 700-ft slalom, mph ............................. 56.5

Brakes

Minimum stopping distances, ft:
  From 60 mph ............................................. 138
  From 80 mph ............................................. 241
Control in panic stop ..................................... excellent
Pedal effort for 0.5g stop, lb ............................ 24
Fade: percent increase in pedal effort to maintain 0.5g decleration in
  6 stops from 60 mph ..................................... nil
Overall braking rating .................................... excellent

Interior Noise

Idle in neutral, dBA ...................................... 47
Maximum, 1st gear ......................................... 79
Constant 30 mph, dBA ...................................... 61
  50 mph .................................................. 67
  70 mph .................................................. 73
  90 mph .................................................. 78

Motor Trend - January 1985

General

Vehicle mfr. .......................... Toyota Motor Corp., Toyota City, Japan
Vehicle importer ...................... Toyota Motor Sales, Torrance, Calif.
Body type ............................. 2-pass., 2-door coupe
Drive system .......................... Mid engine, rear drive
Base price ............................ $11,500 (est.)

Engine

Type .................................. L-4, liquid cooled, cast iron block,
                                        cast aluminum head
Displacement .......................... 1587 cc (96.8 cu. in.)
Bore & stroke ......................... 81.0 x 77.0 mm (3.19 x 3.03 in.)
Compression ratio ..................... 9.4:1
Induction system ...................... Multi-point EFI
Valvetrain ............................ DOHC, 4 valve per cylinder
Crankshaft ............................ Forged, 5 main bearings
Max. engine speed ..................... 7500 rpm
Max. power (SAE net) .................. 112 hp @ 6600 rpm
Max. torque (SAE net) ................. 97 lb-ft @ 4800 rpm
Emission control ...................... 3-way catalyst, EGR, oxygen sensor,
                                        electronic spark advance
Recommended fuel ...................... 91 octane unleaded

Drivetrain

Transmission .......................... 5-sp. man.
Transmission rations:
  1st ................................. 3.17:1
  2nd ................................. 1.90:1
  3rd ................................. 1.31:1
  4th ................................. 0.97:1
  5th ................................. 0.82:1
Axle ratio ............................ 4.30:1
Final drive ratio ..................... 3:53:1

Capacities

Crankcase ............................. 3.7L (4.0 qt.)
Cooling system ........................ 5.6L (5.94 qt.)
Fuel tank ............................. 41.0L (10.8 gal)
Luggage ............................... 334L (11.8 cu ft)

Suspension

Front ................................. Independent, MacPherson struts, coil
                                        springs, anti-roll bar
Rear .................................. Independent, Chapman struts, trailing
                                        arms, coil springs

Steering

Type .................................. Rack and pinion
Ratio ................................. 18.0:1
Turns, lock to lock ................... 3.1
Turning circle, curb to curb .......... 31.5 ft

Brakes

Front ................................. 9.6-in. discs, internally vented
Rear .................................. 9.4-in. discs
Swept area ............................ 356 sq in.

Wheels And Tires

Wheel size ............................ 14 x 5.5 in.
Tire size ............................. 185/60R14
Tire mfr. & model ..................... Bridgestone Potenza RE86
Tire construction ..................... Steel-belted radial

Dimensions

Curb weight ........................... 1181 kg (2600 lb)
Weight distribution (%) ............... 44/56
Wheelbase ............................. 2320 mm (91.3 in)
Overall length ........................ 3925 mm (154.5 in)
Overall width ......................... 1665 mm (65.5 in)
Overall height ........................ 1250 mm (49.2 in)
Track ................................. 1440/1445 mm (56.7/56.9 in) 
Min. ground clearance ................. 127 mm (5.0 in)

Calculated Data

Power-to-weight ratio ................. 23.2 lb/hp
Speed per 1000 rpm in top gear ........ 18.5 mph
Top speed ............................. 116 mph
Drag coefficient ...................... 0.35

Skidpad

Lateral acceleration .................. 0.84 g

Acceleration

0-40 mph .............................. 4.30
0-50 mph .............................. 6.28
0-60 mph .............................. 8.73
0-70 mph .............................. 12.50
0-80 mph .............................. 15.85
Standing quarter mile ................. 16.63 sec/81.1 mph

Braking

30-0 mph .............................. 37 ft.
60-0 mph .............................. 152 ft.

Car And Driver - February 1985

Vehicle type: mid-engine, rear-wheel drive, 2 passenger, 2 door coupe

Price as tested: $12,500 (estimated)

Options on test car: base Toyota MR2, $11,350; air conditioning, $600; sunroof
  $250; cruise control, $150; power windows and door locks, $150

Sound system: Fujitsu Ten AM/FM-stereo radio/cassette, 3 speakers

Engine

Type .................................. 4 in-line, iron block and aluminum head
Bore x stroke ......................... 3.19 x 3.03 in., 81.0 x 77.0 mm
Displacement .......................... 97 cu in., 1587cc
Compression ratio ..................... 9.4:1
Engine-control system ................. Toyota electronic
Emissions controls .................... 3-way catalytic converter, feedback: fuel-
                                        air-ratio control, EGR
Valve gear ............................ belt-driven double overhead cams, four valves
                                        per cylinder
Power (SAE net) ....................... 112 bhp @ 6600 rpm
Torque (SAE net) ...................... 97 lb-ft @ 4800 rpm
Redline ............................... 7500 rpm

Drivetrain

Transmission .......................... 5 speed
Final-drive ratio ..................... 4.31:1, limited slip
Gear  Ratio    MPH/1000 rpm   Max. test speed
 I     3.56       4.2         32 mph (7500 rpm)
II     1.91       7.9         59 mph (7500 rpm)
III    1.31      11.5         86 mph (7500 rpm)
IV     0.97      15.5        116 mph (7500 rpm)
 V     0.82      18.3        116 mph (6350 rpm)

Dimensions and Capacities

Wheelbase ............................. 91.3 in.
Track, F/R ............................ 56.7 / 56.7 in.
Length ................................ 154.5 in.
Width ................................. 65.6 in.
Height ................................ 49.2 in.
Ground clearance ...................... 5.1 in.
Curb weight ........................... 2380 lb.
Weight distribution, F/R .............. 44.5 / 55.5 %
Fuel capacity ......................... 10.8 gal
Oil capacity .......................... 4.4 qt.
Water capacity ........................ 12.7 qt.

Chassis/Body

Type .................................. unit construction
Body material ......................... welded steel stampings

Interior

SAE volume, front seat ................ 50 cu. ft.
            trunk space ............... 8 cu. ft.
Front seats ........................... bucket
Recliner type ......................... ratchet
General comfort ....................... good
Fore-and-aft support .................. excellent
Lateral support ....................... good

Suspension

F: ...... ind. MacPherson strut, coil springs, anti-sway bar
R: ...... ind. MacPherson strut, coil springs, anti-sway bar

Steering

Type .................................. rack and pinion
Turns, lock-to-lock ................... 3.2
Turning circle, curb-to-curb .......... 31.5 ft.

Brakes

F: .................................... 9.6 x 0.7-in. vented disc
R: .................................... 9.5 x 0.4-in. disc
Power assist .......................... vacuum

Wheels and Tires

Wheel size ............................ 5.5 x 14 in.
Wheel type ............................ cast aluminum
Tire make and size .................... Bridgestone Potenza RE86 185/60R-14
Test inflation pressures, F/R ......... 30/30 psi

Test Results

Acceleration:                           Seconds

Zero to 30 mph ........................ 2.6
        40 mph ........................ 4.1
        50 mph ........................ 5.9
        60 mph ........................ 8.3
        70 mph ........................ 11.2
        80 mph ........................ 15.0
        90 mph ........................ 21.2
       100 mph ........................ 31.0
Top-gear passing time, 30-70 mph ...... 12.5
                       50-70 mph ...... 13.2

Standing 1/4 mile ..................... 16.3 sec @ 82 mph
Top speed ............................. 116 mph

Braking:

70-0 mph @ impending lockup ........... 187 ft.
Modulation ............................ good
Fade .................................. none
Front-rear balance .................... good

Handling:

Roadholding, 300-ft-dia skidpad ....... 0.81 g
Understeer ............................ minimal

Coast-down Measurements:

Road horsepower @ 50 mph .............. 14.0 hp
Friction and tire losses @ 50 mph ..... 5.5 hp
Aerodynamic drag @ 50 mph ............. 8.5 hp

Fuel Economy:

EPA city driving ...................... 26 mpg
EPA highway driving ................... 29 mpg
C/D observed fuel economy ............. 29 mpg

Interior Sound Level:

Idle .................................. 51 dBA
Full-throttle acceleration ............ 86 dBA
70-mph cruising ....................... 78 dBA
70-mph coasting ....................... 75 dBA

Autocar - March 1985

Specifications

Engine: Transverse mid, rear-wheel drive. Head/block al. alloy/cast iron, 4 cylinders in line, bored block, 5 main bearings, water cooled, electric fans Bore: 81mm (3.19in), Stroke: 77mm (3.03in), Capacity: 1587cc (96.89 cu. in) Valve gear: 2 ohc, 4 valves per cylinder, toothed belt camshaft drive. Compression ratio: 10 to 1 Nippondenso breakerless electronic ignition, electronic fuel injection with two stage throttleing Max power: 121.9 bp (PS-DIN) (90.9 kW ISO) at 6600 rpm. Max torque: 104.8 lb. ft at 5000 rpm Transmission: 5-speed manual, clutch 7.99 in dia. Gear Ratio mph/1000rpm Top 0.815 18.6 4th 0.969 15.6 3rd 1.310 11.6 2nd 1.904 7.9 1st 3.166 4.8 Final drive: Helical spur, ratio 4.313 Suspension: Front: independent, MacPherson struts, coil springs, combined with telescopic dampers, anti-roll bar. Rear: independent, MacPherson struts, coil springs, combined with telescopic dampers, anti-roll bar. Steering: Rack and pinion, Steering wheel diameter 14.96in, 3.2 turns lock to lock. Brakes: Dual circuits, diagonal split. Front: 9.6in (243.8mm) dia discs. Rear: 9.5in (241.3mm) dia discs, Vacuum servo, Handbrake, center lever/rear discs. Wheels: Alloy, 5.5in rims, Continental Super Contact on test car, size 185/HR60 14in., pressures F26 R26 psi. Equipment: Battery 12v, 50Ah, Alternator 60A, Headlamps 110/120W. Reversing lamp standard, 28 electric fuses, 2 speed, plus intermittent wipers. Electric screen washer. Air blending and water valve interior heater. Cloth seats, vinyl headlining. Carpet with heel mat.

Performance

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Last Update: Sunday 04-Aug-96 14:51:55

Geoff Seeley (geoff@mr2.com)