Ford Sierra XR-8 1986 technical specifications

Introduction

The Sierra XR-8 is an automobile from Ford, with rear wheel drive, a front positioned engine and a 3 door saloon (sedan) body style.

Power is produced by an overhead valve, 4.9 litre naturally aspirated 8 cylinder powerplant, with 2 valves per cylinder that develops power and torque figures of 216 bhp (219 PS/161 kW) at 4750 rpm and 374 N·m (276 lb·ft/38.1 kgm) at 3250 rpm respectively.

The engine delivers its power through to the wheels via a 5 speed manual gearbox.

Having a stated kerb weight of 1269 kg, the Ford Sierra XR-8 dispatches the 0-100 km/h sprint in 6.95 seconds and the kilometre from rest in 28.24 seconds.

Its maximum speed stated is 231 km/h (144 mph).

bodywork

body type                        4/5 seater sedan/saloonnumber of doors              3designer

dimensions & weights

                                                                     mm                                          inches

wheelbase                                                     2608                                          102.7
track/tread (front)                                        1452                                          57.2 track/tread (rear)                                          1468                                          57.8
length                                                          4425                                          174.2

width                                                          1725                                           67.9
height                                                         1420                                           55.9
ground clearance
length:wheelbase ratio                                  1.7kerb weight                                                 1269 kg                                       2798 lb weight distribution
fuel tank capacity

aerodynamics

drag coefficient      0.34
frontal
areacda

engine

engine type	naturally aspirated petrol
engine manufacturer	Ford
engine code
cylinders	V 8
capacity	4.9 litre 4942 cc (301.579 cu in)
bore × stroke	101.6 × 76.2 mm 4 × 3 in
bore/stroke ratio	1.33
	overhead valve (OHV) 2 valves per cylinder 16 valves in total
maximum power output	219 PS (216 bhp) (161 kW) at 4750 rpm
specific output	43.7 bhp/litre 0.72 bhp/cu in
maximum torque	374 Nm (276 ft·lb) (38.1 kgm) at 3250 rpm
specific torque	75.68 Nm/litre 0.91 ft·lb/cu3
engine construction
sump
compression ratio	8.3:1
fuel system	1 Ho carb
bmep (brake mean effective pressure)	951 kPa (137.9 psi)
maximum rpm
crankshaft bearings	5
engine coolant	Water
unitary capacity	617.75 cc
aspiration	Normal
compressor	N/A
intercooler	None
catalytic converter	N

performance

acceleration 0-80km/h (50mph)	4.91 s
acceleration 0-60mph	6.56 s
acceleration 0-100km/h	6.95 s
acceleration 0-160km/h (100mph)
standing quarter-mile
standing kilometre	28.24 s
maximum speed	231 km/h (144 mph)
power-to-weight ratio	172.58 PS/g126.93 kW/g170.21 bhp/ton0.08 bhp/lb
weight-to-power ratio	7.88 kg/kW13.16 lb/bhp

fuel consumption

1. fuel consumption
2. universal consumption (calculated from the above)
3. litres per 100km
4. km per litre
5. uk mpg
6. us mpg
7. carbon dioxide emissions
8. carfolio calculated
9. ved band (uk)
10. co2 effizienz (de)

chassis

engine position	front
engine layout	longitudinal
drive wheels	rear wheel drive
torque split	N/A
steering
turns lock-to-lock
turning circle
front suspension	I.MS.CS.
rear suspension	I.STCS.
wheel size front
wheel size rear
tyres front
tyres rear
brakes f/r
front brake diameter
rear brake diameter
gearbox	5 speed manual
top gear ratio	0.73
final drive ratio	3.50