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1989 Geo Spectrum Wheel and Tire Measurements and Specifications Editor's Note: This is a new tool (1/21). Not all models or model years are fully represented in the results - some full generations are not yet listed. We are working to grow this resource as quickly as possible.
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1989 Geo Spectrum
Geo Spectrum Generations / Model Years 1989 Geo Spectrum Trim Packages and OEM Wheel/Tire Options 1989 Geo Spectrum 1.5i OEM Wheel Size Tire Size
5Jx13 ET39 — 175/70R13 5Jx13 ET39 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 5" (127mm)
Wheel Diameter: 13" (330mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 39
Wheel Backspace: 4.54" (115mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 175/70R13 Tire Measurements and Specifications Tire Width: 175mm (6.89")
Tire Section Height: 122.5mm (4.823")
Overall Height: 575.20mm (22.65")
Aspect Ratio: 70
5Jx14 ET41 — 175/65R14 5Jx14 ET41 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 5" (127mm)
Wheel Diameter: 14" (356mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 41
Wheel Backspace: 4.61" (117mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 175/65R14 Tire Measurements and Specifications Tire Width: 175mm (6.89")
Tire Section Height: 113.75mm (4.4785")
Overall Height: 583.10mm (22.96")
Aspect Ratio: 65
6Jx15 ET45 — 175/55R15 6Jx15 ET45 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6" (152mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 45
Wheel Backspace: 5.27" (134mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 175/55R15 Tire Measurements and Specifications Tire Width: 175mm (6.89")
Tire Section Height: 96.25mm (3.7895")
Overall Height: 573.50mm (22.58")
Aspect Ratio: 55
6Jx15 ET43 — 185/55R15 6Jx15 ET43 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6" (152mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 43
Wheel Backspace: 5.19" (132mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 185/55R15 Tire Measurements and Specifications Tire Width: 185mm (7.28")
Tire Section Height: 101.75mm (4.004")
Overall Height: 584.50mm (23.01")
Aspect Ratio: 55
5.5Jx14 ET42 — 185/60R14 5.5Jx14 ET42 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 5.5" (140mm)
Wheel Diameter: 14" (356mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 42
Wheel Backspace: 4.90" (124mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 185/60R14 Tire Measurements and Specifications Tire Width: 185mm (7.28")
Tire Section Height: 111mm (4.368")
Overall Height: 577.60mm (22.74")
Aspect Ratio: 60
6Jx15 ET45 — 195/50R15 6Jx15 ET45 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6" (152mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 45
Wheel Backspace: 5.27" (134mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 195/50R15 Tire Measurements and Specifications Tire Width: 195mm (7.68")
Tire Section Height: 97.5mm (3.84")
Overall Height: 576.00mm (22.68")
Aspect Ratio: 50
6.5Jx16 ET42 — 195/45R16 6.5Jx16 ET42 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6.5" (165mm)
Wheel Diameter: 16" (406mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 42
Wheel Backspace: 5.40" (137mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 195/45R16 Tire Measurements and Specifications Tire Width: 195mm (7.68")
Tire Section Height: 87.75mm (3.456")
Overall Height: 581.90mm (22.91")
Aspect Ratio: 45
7Jx17 ET38 — 205/35R17 7Jx17 ET38 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 7" (178mm)
Wheel Diameter: 17" (432mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 38
Wheel Backspace: 5.50" (140mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 205/35R17 Tire Measurements and Specifications Tire Width: 205mm (8.07")
Tire Section Height: 71.75mm (2.8245")
Overall Height: 575.30mm (22.65")
Aspect Ratio: 35
Model/Trim Notes: The geo spectrum 1.5i was available in the USDM from Model Year 1985 to 1990 and is powered by a 70 hp l4, Petrol engine.
1989 Geo Spectrum 1.5i Turbo OEM Wheel Size Tire Size
5.5Jx14 ET42 — 185/60R14 5.5Jx14 ET42 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 5.5" (140mm)
Wheel Diameter: 14" (356mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 42
Wheel Backspace: 4.90" (124mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 185/60R14 Tire Measurements and Specifications Tire Width: 185mm (7.28")
Tire Section Height: 111mm (4.368")
Overall Height: 577.60mm (22.74")
Aspect Ratio: 60
6Jx15 ET45 — 195/50R15 6Jx15 ET45 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6" (152mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 45
Wheel Backspace: 5.27" (134mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 195/50R15 Tire Measurements and Specifications Tire Width: 195mm (7.68")
Tire Section Height: 97.5mm (3.84")
Overall Height: 576.00mm (22.68")
Aspect Ratio: 50
6.5Jx16 ET42 — 195/45R16 6.5Jx16 ET42 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6.5" (165mm)
Wheel Diameter: 16" (406mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 42
Wheel Backspace: 5.40" (137mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 195/45R16 Tire Measurements and Specifications Tire Width: 195mm (7.68")
Tire Section Height: 87.75mm (3.456")
Overall Height: 581.90mm (22.91")
Aspect Ratio: 45
7Jx17 ET38 — 205/35R17 7Jx17 ET38 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 7" (178mm)
Wheel Diameter: 17" (432mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 38
Wheel Backspace: 5.50" (140mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 205/35R17 Tire Measurements and Specifications Tire Width: 205mm (8.07")
Tire Section Height: 71.75mm (2.8245")
Overall Height: 575.30mm (22.65")
Aspect Ratio: 35
Model/Trim Notes: The geo spectrum 1.5i Turbo was available in the USDM from Model Year 1985 to 1990 and is powered by a 110 hp l4, Petrol engine.
1989 Geo Spectrum 1.6i OEM Wheel Size Tire Size
5.5Jx14 ET42 — 185/60R14 5.5Jx14 ET42 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 5.5" (140mm)
Wheel Diameter: 14" (356mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 42
Wheel Backspace: 4.90" (124mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 185/60R14 Tire Measurements and Specifications Tire Width: 185mm (7.28")
Tire Section Height: 111mm (4.368")
Overall Height: 577.60mm (22.74")
Aspect Ratio: 60
6Jx14 ET45 — 195/55R14 6Jx14 ET45 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6" (152mm)
Wheel Diameter: 14" (356mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 45
Wheel Backspace: 5.27" (134mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 195/55R14 Tire Measurements and Specifications Tire Width: 195mm (7.68")
Tire Section Height: 107.25mm (4.224")
Overall Height: 570.10mm (22.45")
Aspect Ratio: 55
6Jx15 ET45 — 195/50R15 6Jx15 ET45 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6" (152mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 45
Wheel Backspace: 5.27" (134mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 195/50R15 Tire Measurements and Specifications Tire Width: 195mm (7.68")
Tire Section Height: 97.5mm (3.84")
Overall Height: 576.00mm (22.68")
Aspect Ratio: 50
6.5Jx16 ET42 — 195/45R16 6.5Jx16 ET42 Wheel Measurements and Specifications Wheel Bolt Pattern: 4x100
Wheel Width: 6.5" (165mm)
Wheel Diameter: 16" (406mm)
Hub Centerbore: 56.1 mm
Wheel Offset: 42
Wheel Backspace: 5.40" (137mm) ±
Wheel Fasteners: M12 x 1.5 Lug nuts Torque Sequence: 1, 3, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 195/45R16 Tire Measurements and Specifications Tire Width: 195mm (7.68")
Tire Section Height: 87.75mm (3.456")
Overall Height: 581.90mm (22.91")
Aspect Ratio: 45
Model/Trim Notes: The geo spectrum 1.6i was available in the USDM from Model Year 1985 to 1990 and is powered by a 95 hp l4, Petrol engine.
