2015 Cadillac CTS and CTS-V Spark plugs
Depends on your version. Choose yours, or compare them here.
- 2.0L L4 Engine (LTG) 0.75–0.90 mm (0.030–0.035 in) gap
- 3.6L V6 Engine (LFX) 0.95–1.10 mm (0.037–0.043 in) gap
0.75–0.90 mm (0.030–0.035 in)
Gap · 2.0L L4 Engine (LTG)
0.95–1.10 mm (0.037–0.043 in)
Gap · 3.6L V6 Engine (LFX)
2015 Cadillac CTS and CTS-V Owner's Manual, PDF page 362
0.75–0.90 mm (0.030– 0.035 in)Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.0L L4 Engine (LTG) · PDF page 362
0.75–0.90 mm (0.030– 0.035 in)
Spark plugs (gap) · 3.6L V6 Engine (LFX) · PDF page 362
0.95–1.10 mm (0.037– 0.043 in)
2015 Cadillac CTS and CTS-V Owner's Manual, PDF page 362
0.75–0.90 mm (0.030– 0.035 in)Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.0L L4 Engine (LTG) · PDF page 362
0.75–0.90 mm (0.030– 0.035 in)
2015 Cadillac CTS and CTS-V Owner's Manual, PDF page 362
0.95–1.10 mm (0.037– 0.043 in)Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (gap) · 3.6L V6 Engine (LFX) · PDF page 362
0.95–1.10 mm (0.037– 0.043 in)
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.0L L4 Engine (LTG) | 0.75–0.90 mm (0.030–0.035 in)gap | “0.75–0.90 mm (0.030– 0.035 in)” | PDF page 362 ↗ |
| 3.6L V6 Engine (LFX) | 0.95–1.10 mm (0.037–0.043 in)gap | “0.95–1.10 mm (0.037– 0.043 in)” | PDF page 362 ↗ |
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