The Merkur Encyclopedia

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