NEW YORK (TheStreet) -- A company known for its sizzle, Tesla Motors (TSLA), has managed to bring the steak back to investors.

Last month it announced that it surpassed 10,000 deliveries in the first quarter, a sign the company may have at last resolved its production issues.

Tesla said it had delivered 10,030 Model S vehicles in the three months through March. That was "a new company record for the most cars delivered in a quarter," Tesla said. It was also an increase of 55% year over year, as the Model S moves into its fourth year of production.

Those results were better than the company's own forecast in February when Tesla said it expected to produce 10,000 cars in the first quarter but deliver only 9,500 units because some cars would still be in transit to Europe and Asia.

Tesla doesn't disclose monthly vehicle sales like traditional automakers but said it will begin reporting new car deliveries within three days after the quarter ends.

The Model S still appears to be in high demand, with Pacific Crest Securities analyst Brad Erickson saying that the average selling price could surprise the bears.

"We believe misperceptions of both falling lead times on the company's Web site and bigger discounts for showroom models are driving some to believe that Model S demand is waning," Erickson wrote in a note. "We'd disagree based on feedback from Tesla sales centers. We are modeling ASPs to be down 2% q/q assuming some impact from currency, but believe downside is fairly limited given the likely strong mix of P85D deliveries in the quarter."

Analysts surveyed by Thomson Reuters expect the company on Wednesday to post a first-quarter loss of 50 cents a share on revenue of $1.04 billion.

Tesla has said 55,000 deliveries would be made up of both the Model S and its upcoming SUV, the Model X, slated to come in the third quarter this year. In 2014, Tesla produced 35,000 vehicles but did not deliver all of them due to weather delays, shipping problems and other factors the company outlined in the shareholder letter.

Following a rocky first few months of the year, the Elon Musk-led company has regained investor confidence, with shares rising more than 20% over the past month. Much of that is due to the delivery results released early in April, but the company is working to expand its product lineup, whetting investors' appetites.

In addition to unveiling a new version of the Model S, the all-wheel drive Model S 70D, Tesla also recently unveiled its home and commercial battery initiative, as it looks to become more than just an automotive company.

Aside from the Model S and the home and commercial battery announcements, investors will be looking to hear how the company is doing in China, which Musk has said in the past will become an increasingly important market for the company.

There may also be some talk about potential competition in the electric vehicle market, particularly surrounding Apple (AAPL), which is thought to be building its own electric vehicle slated for production as soon as 2020.

Jefferies analyst Dan Doley, who recently initiated coverage on Tesla with a $350 price target, said there appears to be "little excitement about Apple/Google cars."

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