2015 Cadillac XTS Oil Type & Capacity
The 2015 Cadillac XTS oil type depends on the engine: the Base takes 5W-30 (6.0 quarts qt with filter); the Livery, 4D Limousine takes 5W-30 (6.0 quarts qt with filter); the Livery, 4D Sedan takes 5W-30 (6.0 quarts qt with filter); the Luxury, AWD takes 5W-30 (6.0 quarts qt with filter); the Luxury, FWD takes 5W-30 (6.0 quarts qt with filter); the Platinum, AWD takes 5W-30 (6.0 quarts qt with filter); the Platinum, FWD takes 5W-30 (6.0 quarts qt with filter); the Premium, AWD takes 5W-30 (6.0 quarts qt with filter); the Premium, FWD takes 5W-30 (6.0 quarts qt with filter); the Vsport Platinum takes 5W-30 (7.0 quarts qt with filter); the Vsport Premium takes 5W-30 (7.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base: 5W-30, 6.0 quarts with filter
- Livery, 4D Limousine: 5W-30, 6.0 quarts with filter
- Livery, 4D Sedan: 5W-30, 6.0 quarts with filter
- Luxury, AWD: 5W-30, 6.0 quarts with filter
- Luxury, FWD: 5W-30, 6.0 quarts with filter
- Platinum, AWD: 5W-30, 6.0 quarts with filter
- Platinum, FWD: 5W-30, 6.0 quarts with filter
- Premium, AWD: 5W-30, 6.0 quarts with filter
- Premium, FWD: 5W-30, 6.0 quarts with filter
- Vsport Platinum: 5W-30, 7.0 quarts with filter
- Vsport Premium: 5W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Livery, 4D Limousine — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Livery, 4D Sedan — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Luxury, AWD — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Luxury, FWD — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Platinum, AWD — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Platinum, FWD — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Premium, AWD — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Premium, FWD — Eng CD LFX | API - SAE 5W-30 | 6.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Vsport Platinum — Eng CD LF3 | API - SAE 5W-30 | 7.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Vsport Premium — Eng CD LF3 | API - SAE 5W-30 | 7.00 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
Complete Oil Change Bundle for 2015 Cadillac XTS
Everything you need delivered in one order. Pre-matched to your factory spec (5W-30, 6.0 quarts).
As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.
Buy the right oil & filter for your XTS
🛒 Buy 5W-30 Full Synthetic Oil (6.0 quarts needed) on Amazon💡 Capacity Note: Your 2015 Cadillac XTS holds 6.0 quarts with filter. Since standard jugs are 5 quarts, be sure to pick up extra 1-quart bottles or a 2-pack to reach the full mark on the dipstick.
Popular Full Synthetic Brands (5W-30):
As an Amazon Associate we earn from qualifying purchases made through these links.
More factory specs & repair guides for your XTS
🛞 2015 Cadillac XTS Tire Size & Pressure →🌧️ 2015 Cadillac XTS Wiper Blade Sizes →💡 2015 Cadillac XTS Light Bulb Sizes →📖 2015 Cadillac XTS Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.5 quarts (7.09 L) — 50/50 mixture of DEX-COOL and clean, drinkable water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Frequently asked questions
What type of oil does a 2015 Cadillac XTS take?
It depends on the engine: Base uses 5W-30; Livery, 4D Limousine uses 5W-30; Livery, 4D Sedan uses 5W-30; Luxury, AWD uses 5W-30; Luxury, FWD uses 5W-30; Platinum, AWD uses 5W-30; Platinum, FWD uses 5W-30; Premium, AWD uses 5W-30; Premium, FWD uses 5W-30; Vsport Platinum uses 5W-30; Vsport Premium uses 5W-30.
What is the oil capacity of a 2015 Cadillac XTS?
Oil capacity depends on the engine: Base holds 6.0 quarts with filter; Livery, 4D Limousine holds 6.0 quarts with filter; Livery, 4D Sedan holds 6.0 quarts with filter; Luxury, AWD holds 6.0 quarts with filter; Luxury, FWD holds 6.0 quarts with filter; Platinum, AWD holds 6.0 quarts with filter; Platinum, FWD holds 6.0 quarts with filter; Premium, AWD holds 6.0 quarts with filter; Premium, FWD holds 6.0 quarts with filter; Vsport Platinum holds 7.0 quarts with filter; Vsport Premium holds 7.0 quarts with filter.
How often should I change the oil in my 2015 Cadillac XTS?
Most 2015 Cadillac XTS owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Cadillac recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2015 Cadillac XTS?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2015 Cadillac XTS. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.