Below you will find the best synthetic oil for a 1991 Audi 90 QUATTRO. Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 1991 90 Quattro
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| XL 10W-40 Synthetic Motor Oil | Protect your 90 Quattro now with Amsoil products! Made in USA! | With filter 4.2 quarts After refill check oil level. |
XLOQT-EA
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| Premium Protection 10W-40 Synthetic Motor Oil | Protect your vehicle with the world's best synthetic oil for your 90 Quattro! | With filter 4.2 quarts After refill check oil level. |
AMOQT-EA
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| SAE 5W-40 MS Synthetic European Motor Oil | Amsoil is high technology oil and leaves the competition behind! Get the best for your 90 Quattro. | With filter 4.2 quarts After refill check oil level. |
AFLQT-EA
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Recommended oil filters for my 1991 90 Quattro
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | Use this oil filter with Amsoil synthetic oil! Recommended for 25,000 miles/one year, whichever comes first, for normal driving conditions or 15,000 miles/one year, whichever comes first for severe conditions. Protect your 1991 Audi 90 Quattro and enjoy longer service intervals while reducing engine wear with this filter! |
EAO34-EA
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Recommended transmission fluids for my 1991 90 Quattro
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Manual Transmission & Transaxle Gear Lube 75W-90 | Manual Transmission Fluid |
01A (5-SPD) 6.1 pints | This synthetic manual transmission and transaxle gear lube is made to protect from friction and keep viscosity for extended component and fluid life. You will get smooth and fast performance from synchronizers and gears. Enjoy quick and smooth shifting. It is made to exceed protection under severe conditions and it blows the doors off of regular fluids which are limited in protection. Protect your 1991 Audi 90 Quattro. |
MTGPK-EA
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Differential for my Audi 90 Quattro
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| 75W-90 Long Life Synthetic Gear Lube | (1) Audi/VW Part number G 052 145 A1 (500 ml), G 052 145 A2 (1 l), G 052 145 S2 (1 l). Note that G 052 145 A2 was superseded by the manufacturer with the G 052 145 S2. | With AT Front 2.1 pints | Lasts up to 100,000 miles for normal driving conditions or 50,000 for severe conditions or according to the manual for your 90 Quattro. |
FGRQT-EA
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Recommended coolants for my Audi 90 Quattro
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1991 Audi 90 Quattro under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
ANTPC1G-EA
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| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 1991 Audi 90 Quattro for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Did you know that synthetic oil is way better than conventional oil? Synthetic oil can boost your car's performance and make it more fuel-efficient. Plus, it cuts down on engine wear and tear, so your ride can keep on running like a champ for way longer. Synthetic oil doesn't break down as easily as regular oil, which means it won't gunk up your engine with nasty deposits. And, even when the weather's super hot or even freezing, synthetic oil still works like a charm, keeping your engine protected. Upgrade now with Amsoil! We have great filters too!
