Sierra Details
RS Details
Name
Sierra XR4i
Merkur XR4Ti
Sierra XR4x4
Sierra XR4x4
Sierra RS Cosworth
Sierra RS500 Cosworth
Sierra RS Cosworth 4x4
XR6
XR8
XR4
Year
83-85
85-89
85-89
89 - 90
86-89
87
90 - 91
84 - 90
84 - ?
84 - ?
Sales
25662
45748
25939
13615
13839
500
250+
Market
Europe
North America
Europe
Europe
Europe
Europe
Europe
So Africa
So Africa
Argentina
Body
Long 3 Door
Long 3 Door
3D, 4D, 5 Door
4D, 5 Door
Short 3 Door / 4 Door
Short 3 Door
4 Door
5 Door
3 Door
3 Door
Rear Spoiler
Bi Plane
Bi Plane (85-87), Sm single (88-89)
Sm single
Sm single
Large single / Sm single
Large Bi Plane
Sm single
Sm single
Bi Plane
Bi Plane
Engine
V6 2.8L
2.3L Turbo
V6 2.8L
V6 2.9L
YBB-2.0L
YBD-2.0L
YBG (& YBJ) -2.0L
V6 - 3.0L
V8 - 5.0L
2.3L
HP/Torque (big engine)
150/161
175/150
150/159
150/172
204/205
224/206
220/214
140
210
120
Drag coeffiecient
0.32
0.32
.34 / .33
0.345
Transmission
5spd T9
5spd T9
4x4 5spd T9
4x4 5spd MT75
5spd T5
5spd T5
4x4 5spd MT-75
5spd T9
5spd T5
4spd, 5spd, auto
Front Brakes
disc 10.22
disc 10.22
disc 10.22
disc 10.27
disc 11.12
disc 11.14
disc 11.14
disc 10.22
disc 11.12
Rear Brakes
drum10x2.25
drum10x2.25
disc 9.96
disc 9.96
disc 10.8
disc 10.8
disc 10.7
drum10x2.25
disc 10.8
Rear End
7.0" open
7.5" open
7.0 mid/rear LSD
7.0 mid/rear LSD
7.5 LSD
7.5 LSD
7.0 mid/rear LSD
Weight (lbs)
2655
2922
2750
2665
2690
2690
2870
0-60 mph Acceleration
7.7
7.9
8.4
8.6
6.2
6.1
6.6
Evolution of models
Sierra MK 1
83 - 86
(all Merkur XR's)
Sierra MK 2
87 - 89
smoother front body, wrap around headlamps / indicators, larger windows
Sierra MK 3
90 +
MT-75 trans