Here is the full list of all 25 NASCAR 09 (EU) achievements worth 1,000 gamerscore.
Drive 5,000 Total Miles.
Complete All Sprint Driver Challenge Events.
Won a Craftsman Truck Series race (minimum of 11 opponents).
Won a Nationwide Series race (minimum of 11 opponents).
Won a Sprint Cup race (minimum of 11 opponents).
Won a Sprint Driver Challenge Event.
Won 10 Sprint Driver Challenge Events.
Achieved a 761 Rep Rating.
Completed a Custom Car for all racing series.
Recorded a Lap in "Test and Tune" Mode.
Won a race after starting in last place (minimum of 11 opponents).
Won a Craftsman Truck Series Championship in Career.
Win a Sprint Cup Series Championship in Career.
Achieved a 3000 Rep Rating.
Achieved a 5500 Rep Rating.
Achieved a Top Speed of 200+ MPH.
Qualify for the Chase for the Cup™ in Career.
Won 82 races.
Won a Nationwide Series Championship in Career.
100 Rated Car for All Track Types.
Take track ownership from a friend.
Upload a Car Setup to EA Locker.
Win a Ranked Race on Xbox LIVE.
Win 8 Sprint Cups in Career.
Win 201 Total Races.