Is this too good to be true?

我在當地AutoTrader上發現這個車， 發email去問， 下麵是賣主的答複，總覺得似乎有什麽不對，為什麽賣這麽便宜？ 我怎麽能查到這個車是否有warranty ? 如果我買了，warranty 可以繼續嗎？
還有什麽要注意的？請有經驗的同學多多指點，謝謝。

Thank you for contacting me regarding my 2007 BMW X5 4.8i. First let me say that the car is still available for sale at the $23,800 price (final price).
This X5 is looking like new, never been involved in any accident not damages, and is not under leasing or bank liabilities. It has a clean title, engine runs smoothly, great condition and well maintained. It has 16,511 miles..
ALL WHEEL DRIVE,AUTOMATIC, SPORT PKG. - PREMIUM PKG.PREMIUM SOUND PKG.3RD ROW SEATING,3RD ROW CLIMATE PKG.REAR CLIMATE PKG.20 WHEELS WITH PERFORMANCE TIRES,PARK DISTANCE CONTROL, ARS AND EDC,COMFORT ACCESS SYSTEM,TIRE PRESSURE MONITOR,DARK BAMBOO WOOD TRIM,ROOF RAILS,RADIO BMW PROFESSIONAL,ETC. Vehicle includes: Power Steering, Power Door Locks, Power Windows, Power Passenger Seat, Tachometer, Air Conditioning, Tilt Steering Wheel, Cruise Control, Leather Upholstery, Power Sunroof, Compact Disc Player, and AM/FM Radio..
I'm looking for a quick sale as I want to buy a house and have already deposited a down payment on it, can't back out now. I got a loan but it’s still not enough so the car has to go for me to get the house..