Car Rentals in Boulder
Save up to 70% on car rentals in Boulder. TopTours partners with Discover Cars so you get clear prices, no hidden fees, and free cancellation. Compare deals from 1,000+ companies and find the perfect rental for your trip.
Rated Excellent · 252,000+ reviews · 1,000+ brands · Award-winning service
Cars you might rent in Boulder
Whether you need an economy car, SUV, convertible, or minivan—compare Boulder car rental deals for every vehicle type. Discover Cars shows you all options in one place so you can book the right car at the best price.
Explore Boulder by car
Rent a car and discover Boulder's top sights at your own pace—from beaches and parks to historic towns and scenic lookouts.
- Hike or boulder at the Flatirons, a striking geological formation offering panoramic views of Boulder and the surrounding plains.
- Wander down Pearl Street Mall, a pedestrian-only thoroughfare bustling with unique shops, street performers, and diverse eateries.
- Visit the Celestial Seasonings Tea Factory for a quirky tour and free samples of their famous herbal teas.
- Explore the historic Boulderado Hotel, a grand Victorian landmark offering a glimpse into the town's early 20th-century charm.
- Bike or walk the Boulder Creek Path, a scenic urban trail connecting parks and offering access to whitewater rafting.
- Catch a sunset from Chautauqua Park; it's the perfect spot to witness the Flatirons glow with golden light.
We compare car rental prices, you save
Discover Cars is a leader in online car rental bookings. They compare deals from 1,000+ companies so you can choose the best option for your trip to Boulder. Many sites hide fees—Discover Cars includes mandatory fees, taxes, and extras in the quoted price, so there are no surprises at the rental desk.
TopTours partners with Discover Cars to help you find the perfect rental. Because they negotiate with car rental companies in bulk, they often secure lower prices for you.
Award-winning service
- · World Travel Tech Awards – World's Best Car Rental Booking Website 2025
- · Magellan Awards Gold Winner 2025
- · FT 1000: Europe's Fastest Growing Companies – Top 300 (2025)
How to find a great deal
- Book early — Prices often rise closer to your trip. You can usually change or cancel for free up to 48 hours before pickup.
- Check reviews — See what previous renters say. A supplier score of 8 or higher is a good sign.
- Mind the deposit — You’ll leave a deposit at pickup. Check rental conditions so you have enough credit.
- Fuel & mileage — Know what’s included to avoid extra fees.
What you need to pick up the car
Driver's license
A valid license in the name of the main driver.
Identification
A passport or other ID, especially when renting abroad.
Credit card
In the main driver’s name, with enough funds for the rental and deposit.
Voucher
A printed or e-voucher from your booking confirmation.