Alamo vs Sixt at SeaTac Airport (2026 Comparison)
Alamo
Sixt
Compare Alamo and Sixt at SeaTac CONRAC: cost tiers, reviews, skip-counter programs, and which brand fits your trip.
Kayak listing snapshots
Kayak SEA snapshot
~$68/day est. (3-day total ÷ 3)
Kayak SEA snapshot
~$26/day (Kayak 72h snapshot)
3-day sedan cost
3-day sedan total ($)
Google Maps rating
Google rating (out of 5)
Side-by-side comparison matrix
Same CONRAC address · free 24/7 shuttle · verified 2026-05-26
| Factor | Alamo | Sixt |
|---|---|---|
| Base rate tier | Medium | Medium |
| 3-day sedan estimate (2 travelers) | $205 | $205 |
| Kayak daily hint (72h search) | ~$68/day est. (3-day total ÷ 3) | ~$26/day (Kayak 72h snapshot) |
| Google rating | 4.2/5 (182 reviews) | 4.4/5 (134 reviews)edge |
| Security deposit | $200 | $200 |
| Skip-the-counter | Insiders kiosk bypass | Express counter |
| Loyalty program | Alamo Insiders | Sixt Express |
| Shuttle wait (typical) | 5–8 minutes peak · 24/7 shared CONRAC shuttle | 5–8 minutes peak · 24/7 shared CONRAC shuttle |
| Family of 4 · SUV · 3 days | $336 | $336 |
| EV models at CONRAC | Toyota Prius, Hyundai Kona Electric | Toyota Prius, Hyundai Kona Electric |
| Unlimited mileage | Yes | Yes |
Estimated pricing — verify at counter. Green “edge” highlights lower cost or higher rating where data allows.
Cost at SeaTac CONRAC
Both Alamo and Sixt operate from the consolidated rental car facility at 3150 S 160th St — identical shuttle service, airport facility charge (~$7/day), and concession recovery fees. The meaningful difference is base rate tier (Medium vs Medium) and how each brand prices SUVs, add-ons, and deposit holds.
For a typical 3-day sedan rental (2 travelers), Alamo estimates $205 all-in vs $205 for Sixt. Family SUV trips widen the gap: Alamo $336 vs Sixt $336 (4 passengers, 3 days).
Reviews & traveler sentiment
Alamo scores 4.2/5 from 182 Google Maps reviews; Sixt holds 4.4/5 (134 reviews). At CONRAC, queue length and vehicle cleanliness dominate feedback — not shuttle logistics, which are shared across all brands.
Alamo — pros
- Fast service
- Clean vehicles
Watch for
- High deposit
- Long queues during peak hours
Sixt — pros
- Clean cars
Watch for
- Can have long queues
Convenience & loyalty bypass
Skip-the-counter programs save 15+ minutes at peak arrival windows. Alamo offers Insiders kiosk bypass (Alamo Insiders). Sixt offers Express counter (Sixt Express).
Shuttle wait is identical — 5–8 minutes peak · 24/7 shared CONRAC shuttle — because all agencies share the CONRAC bus loop from baggage claim Islands 1 and 16.
Brand positioning at SeaTac
Alamo operates at the SeaTac Consolidated Rental Car Facility located at 3150 S 160th Street, SeaTac, WA 98188, approximately 1.5 miles from the main terminal. The Alamo counter is situated on the 2nd floor of the four-story RCF, directly accessible via the dedicated rental car shuttle buses that depart from the baggage claim level at Islands 1 and 16 every 5-8 minutes. Alamo maintains a diverse fleet including econo…
Sixt at SeaTac Airport offers a premium fleet specializing in luxury and specialty vehicles, including BMW, Mercedes-Benz, Audi, and Jeep models, alongside standard sedans, SUVs, and convertibles. Their counter is located on the 1st floor of the Consolidated Rental Car Facility (RCF). The counter operates 24 hours a day, 7 days a week. After collecting your baggage, board the free rental car shuttle bus outside Bagga…
SeaTac verdict
Choose Alamo if you prioritize Insiders kiosk bypass and Medium-tier fleet choice. Choose Sixt if Express counter fits your loyalty status. Either way, compare deposit holds before you land — debit travelers especially should read each brand's hold policy on the agency cost guides linked above.
Estimated pricing — verify at counter. Last verified 2026-05-26. Kayak card images sourced from Kayak provider logos (r9cdn) per Truth Protocol HTTP validation.
Ready to Rent?
All 12 authorized agencies operate from the same consolidated facility — connected by a free 24/7 shuttle.