* Oil touches $86.97, continues 6-day rally
* Prices post steepest climb of 2010 on recovery optimism
* Coming Up: U.S. oil inventory reports from API and EIA
(Updates prices, adds comment)
By Chris Baldwin
LONDON, April 6 (Reuters) - Oil rose to a fresh 18-month high on Tuesday, rallying for a sixth consecutive session as investors awaited oil inventory data out of the United States.
U.S. crude for May delivery <CLc1> was up 32 cents to $86.94 a barrel by 1345 GMT, down from an intraday peak of $86.97, the highest since October 2008.
ICE Brent <LCOc1> rose 28 cents to $86.16.
"The trading today is very technical, and it's going against the dollar," said independent oil analyst Olivier Jakob at Petromatrix in Switzerland.
"We're starting to come to a point where these oil prices could start to put the economic recovery at risk. Whatever we had last year was at an average $62 a barrel. It's another thing to continue on the recovery path with $90."
The dollar gained nearly 0.6 percent against a basket of currencies and traders turned bearish against the euro following reports Greece would seek $5-$10 billion from U.S. investors to help cover its May borrowing requirements. [
]A stronger dollar makes purchases of dollar-denominated commodities more expensive for non-U.S. buyers.
Also buoying the dollar was data on Monday showing U.S. services sector grew at its swiftest in nearly four years in March and an unexpected rise in future home sales in February, which bolstered hopes for a sustainable economic recovery and job growth. [
]
INVENTORY DATA
Oil market attention will shift to inventory statistics due later on Tuesday from the American Petroleum Institute (API), and on Wednesday from the U.S. Department of Energy's Energy Information Administration (EIA).
On Monday the EIA said U.S. gasoline prices rose to $2.88 a gallon in the last week, the highest since October 2008.
"The recent spike can be largely put down to rising crude oil prices. Compared to other products, gasoline demand is quite price-sensitive, illustrated by the fact that it was the only major oil product to show growth on a global basis last year," analyst David Wech at JBC Energy wrote in a note to investors.
Crude inventories in the United States, the world's largest energy consumer, probably gained for a 10th consecutive seven-day period of measurement in the U.S. last week, a Reuters survey showed. [
]Crude stockpiles were forecast to have risen 1.7 million barrels, according to a Reuters poll, while a 1.4 million drawdown was expected in both gasoline supplies and distillate stocks, comprising heating oil and diesel. [
]The American Petroleum Institute releases its industry report on Tuesday, at 4:30 p.m. EDT (2030 GMT), followed by government figures from the U.S. Energy Information Administration on Wednesday at 10:30 a.m. EDT. (Additional reporting by Alejandro Barbajosa in Singapore; editing by James Jukwey)