1987 Ford Sierra Sapphire RS Cosworth

The Ford Sierra Sapphire RS Cosworth is a 4 door saloon (sedan)-bodied road car with a front mounted engine powering the rear wheels. Its engine is a turbocharged petrol, 2 litre, double overhead camshaft 4 cylinder with 4 valves per cylinder. It produces 204 bhp (207 PS/152 kW) of power at 6000 rpm, and maximum torque of 277 N·m (204 lb·ft/28.2 kgm) at 4500 rpm. The engine transmits power to the wheels via a 5 speed manual set of gears. With a stated kerb weight of 1250 kg, the Ford Sierra Sapphire RS Cosworth manages to cover the 0-60 mph benchmark sprint in 5.8 seconds and the standing quarter mile in 14.4 seconds. Top claimed speed is 240 km/h (149 mph).

Pictures

Key facts

1987 Ford Sierra Sapphire RS Cosworth information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4465 mm
How heavy?
1250 kg
What size engine?
2 litre, 1993 cm3
How many cylinders?
4, Straight
How much power?
207 PS / 204 bhp / 152 kW @ 6000 rpm
How much torque?
277 Nm / 204 ft.lb / 28.2 kgm @ 4500 rpm
How quick?
0-60 mph: 5.8 s
How fast?
240 km/h, 149 mph

Ford Sierra models

5 door estate/​station wagon FR 5M 1998 cm3 120 PS 118 bhp 88 kW 1170 kg
5 door estate/​station wagon FR 5M 1998 cm3 120 PS 118 bhp 88 kW 1170 kg
4 door sedan/​saloon FA 5M 1998 cm3 120 PS 118 bhp 88 kW 1170 kg
4 door sedan/​saloon FR 5M 1998 cm3 120 PS 118 bhp 88 kW 1115 kg
Ford Sierra Sapphire RS Cosworth 4X4 -
4 door sedan/​saloon FA 5M 1993 cm3 220 PS 217 bhp 162 kW 1302 kg
5 door sedan/​saloon FR 5M 1998 cm3 111 PS 109 bhp 81 kW 1118 kg
5 door sedan/​saloon FR 5M 1998 cm3 127 PS 125 bhp 93 kW 1128 kg
4 door sedan/​saloon FR 5M 1998 cm3 111 PS 109 bhp 81 kW 1130 kg
4 door sedan/​saloon FR 5M 1998 cm3 127 PS 125 bhp 93 kW 1128 kg
4 door sedan/​saloon FA 5M 2933 cm3 152 PS 150 bhp 112 kW 1290 kg
Ford Sierra Cosworth RS500 -
3 door sedan/​saloon FR 5M 1993 cm3 227 PS 224 bhp 167 kW 1207 kg
5 door estate/​station wagon FA 5M 2792 cm3 162 PS 160 bhp 119 kW 1297 kg
Ford Sierra RS Cosworth -
3 door sedan/​saloon FR 5M 1993 cm3 204 PS 201 bhp 150 kW 1220 kg
3 door sedan/​saloon FA 5M 2792 cm3 162 PS 160 bhp 119 kW 1262 kg
4 door sedan/​saloon FR 5M 1796 cm3 90 PS 89 bhp 66 kW 1010 kg
4 door sedan/​saloon FR 4M 1796 cm3 90 PS 89 bhp 66 kW 1010 kg
5 door estate/​station wagon FR 5M 1796 cm3 90 PS 89 bhp 66 kW 1068 kg
5 door estate/​station wagon FR 4M 1796 cm3 90 PS 89 bhp 66 kW 1068 kg
4 door sedan/​saloon FR 5M 1993 cm3 117 PS 115 bhp 86 kW 1105 kg
3 door sedan/​saloon FR 4M 1294 cm3 61 PS 60 bhp 45 kW 970 kg
5 door estate/​station wagon FR 4M 1593 cm3 76 PS 75 bhp 56 kW 1040 kg
5 door sedan/​saloon FR 5M 1593 cm3 76 PS 75 bhp 56 kW 1040 kg
3 door sedan/​saloon FR 4M 1993 cm3 106 PS 105 bhp 78 kW 1065 kg
Ford Sierra Ghia -
5 door sedan/​saloon FR 4M 1993 cm3 106 PS 105 bhp 78 kW 1095 kg
3 door sedan/​saloon FR 3A 2294 cm3 116 PS 114 bhp 85 kW 1115 kg
Ford Sierra XR4i -
sedan/​saloon FR 5M 2792 cm3 162 PS 160 bhp 119 kW
5 door estate/​station wagon FR 5M 1753 cm3 76 PS 75 bhp 56 kW
4 door sedan/​saloon FR 5M 1753 cm3 76 PS 75 bhp 56 kW 1145 kg

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1987 Ford Sierra Sapphire RS Cosworth data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
Designer
dimensions & weights
mminches
Wheelbase 2608 mm 102.7 inches
Track/tread (front)
Track/tread (rear)
Length 4465 mm 175.8 inches
Width 1699 mm 66.9 inches
Height 1377 mm 54.2 inches
Ground clearance
length:wheelbase ratio 1.71
Kerb weight 1250 kg 2756 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient 0.33
Frontal area
CdA
engine
engine type turbocharged petrol
Engine manufacturer Ford/Cosworth
Engine code
Cylinders Straight 4
Capacity 2 litre
1993 cc
(121.62 cu in)
Bore × Stroke 90.8 × 76.95 mm
3.57 × 3.03 in
Bore/stroke ratio 1.18
Valve gear double overhead camshaft (DOHC)
4 valves per cylinder
16 valves in total
maximum power output
(DIN)
207 PS (204 bhp) (152 kW)
at 6000 rpm
Specific output
(DIN)
102.4 bhp/litre
1.68 bhp/cu in
maximum torque
(DIN)
277 Nm (204 ft·lb) (28.2 kgm)
at 4500 rpm
Specific torque
(DIN)
138.99 Nm/litre
1.68 ft·lb/cu3
Engine construction
sump
compression ratio 8:1
Fuel system Bo L-Jet fuel inj.
bmep (brake mean effective pressure) 1746.6 kPa (253.3 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 498.25 cc
Aspiration Turbo
Compressor 1 Garrett AiResearch T03B turbo
Intercooler Y
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 5.8 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile 14.4 s
Standing kilometre
Maximum speed 240 km/h (149 mph)
Power-to-weight ratio 165.47 PS/tonne (1000 kg)
121.7 kW/tonne (1000 kg)
163.2 bhp/tonne (1000 kg)
0.07 bhp/lb
Weight-to-power ratio 8.22 kg/kW
13.73 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering rack & pinion
turns lock-to-lock 2.500
Turning circle
Front suspension I.MS.CS.ARB.
Rear suspension I.STA.CS.ARB.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R VeDi/Di-S-ABS
Front brake diameter
Rear brake diameter
Braked area
Gearbox 5 speed manual
Top gear ratio 0.8
Final drive ratio 3.64
general
Carfolio.com ID30426
Production total
Model code
Model family
RAC rating 20.4
Insurance classification No information available
Tax band No information available
1987 Ford Sierra Sapphire RS Cosworth added before December 1995.
Last modified 2013-02-28.