By Owen PalmerUpdated November 2026
A car trunk bike rack is the most affordable way to carry bicycles without a hitch receiver or a roof box, and it works on many sedans, hatchbacks and small SUVs. The catch is that trunk racks are strap-and-hook systems, so fit, frame clearance and load limits matter more than they do with a hitch rack. This guide compares five trunk-mount options from well-known brands, with the criteria we used to order them: how many bikes each rack carries, how well it suits common trunk shapes, the security features owners tend to mention, and how easy it is to install and remove. We did not test these racks ourselves. The comparison draws on manufacturer specifications, brand reputation and patterns in owner feedback.
Our top picks at a glance
- 1
TOP CHOICEBest overallThule Gateway Pro Trunk Bike RackView on Amazon - 2
TOP CHOICEBest for three bikesAllen Sports Premier 3-Bike Trunk Rack, Model S103View on Amazon - 3
TOP CHOICEBest for four bikesAllen Sports Premier 4-Bike Trunk Rack, Model S104View on Amazon - 4
Best budget pickAllen Sports Premier 2-Bike Trunk Rack, Model S102, BlackView on Amazon - 5
Best for a simple, traditional trunk rackBell Bike Trunk RackView on Amazon
Our Top Picks
| Product | Best for | Key feature |
|---|---|---|
| Thule Gateway Pro Trunk Bike Rack | Best overall | Adjustable frame and strap system for a wide range of trunk shapes |
| Allen Sports Premier 3-Bike Trunk Rack, Model S103 | Best for three bikes | Three-bike capacity on a single trunk-mounted frame |
| Allen Sports Premier 4-Bike Trunk Rack, Model S104 | Best for four bikes | Four-bike capacity for families and group riders |
| Allen Sports Premier 2-Bike Trunk Rack, Model S102 | Best budget pick | Two-bike capacity with a compact footprint |
| Bell Bike Trunk Rack | Best for a simple, traditional trunk rack | Straightforward strap-and-hook design with a familiar setup |
Thule Gateway Pro Trunk Bike Rack
Thule Gateway Pro Trunk Bike Rack
Best for: Best overall
This is the pick for riders who want a trunk rack from a brand with a long track record in bike transport and who expect to move between several vehicles over time. It suits drivers with sedans and hatchbacks who want a sturdy, adjustable system rather than the lowest-cost option.
Key specs A related read: Bike Rack Tail Lights: 7 Best Picks for Night Visibility (2026).
- Trunk-mounted design using straps and hooks to attach to the trunk lid
- Designed to carry bicycles on a dedicated frame with individual wheel and frame supports
- Check the manufacturer’s listed bike capacity and vehicle compatibility before buying
Pros
- Thule is widely recognized in the bike rack category
- Adjustable straps help accommodate different trunk shapes
- Designed for a secure fit when installed according to the instructions
Cons
- Setup takes more care than a simple clip-on rack
- Typically sits at a higher price tier than the Allen Sports and Bell options
Bottom line: A strong choice for riders who want a reputable, adjustable trunk rack and are willing to spend a little more time on setup.
Allen Sports Premier 3-Bike Trunk Rack, Model S103
Allen Sports Premier 3-Bike Trunk Rack, Model S103 (Black and red)
Best for: Best for three bikes
This suits households with three riders, or a couple who regularly bring a guest’s bike along. It is a practical middle ground between a two-bike and a four-bike rack.
Key specs
- Three-bike trunk-mounted capacity (per the listing name)
- Black and red finish
Pros
- Carries three bikes without the bulk of a larger frame
- Straightforward strap-based installation
- Allen Sports is a long-established name in budget-friendly bike accessories
Cons
- Trunk racks generally load the bikes close to the rear of the car, so heavy bikes need care
- Fit depends heavily on trunk shape, so confirm compatibility first
Bottom line: A sensible pick for three-bike loads on a compatible sedan or hatchback.
Allen Sports Premier 4-Bike Trunk Rack, Model S104
Allen Sports Premier 4-Bike Trunk Rack, Model S104 , Black
Best for: Best for four bikes
Families with two adults and two children, or small riding groups, will find this the most useful size in the Allen Sports lineup. It is the largest trunk-mounted option in this roundup.
Key specs
- Four-bike trunk-mounted capacity (per the listing name)
- Black finish
Pros
- Handles a full family’s bikes in one trip
- Uses the same general strap-and-hook approach as smaller models
- Often a good value for the capacity it offers
Cons
- Four bikes add significant weight and wind resistance, which can affect fuel economy
- Fitting a rack this size to a small trunk can be difficult or impossible
Bottom line: Best for larger families or groups who have a trunk big enough for the frame and a car that tolerates the extra load.
Allen Sports Premier 2-Bike Trunk Rack, Model S102, Black
Allen Sports Premier 2-Bike Trunk Rack, Model S102, Black
Best for: Best budget pick
Couples and parents with one child are the typical buyers here. It is a good first trunk rack for someone who rides occasionally and wants to keep costs low.
Key specs
- Two-bike trunk-mounted capacity (per the listing name)
- Black finish
Pros
- Compact and easier to fit on smaller trunks than larger racks
- Lighter load on the car than three- or four-bike options
- Budget-friendly within the trunk rack category
Cons
- Lower capacity means multiple trips for bigger groups
- Budget racks often need more frequent strap checks than premium designs
Bottom line: The most practical choice for two bikes on a budget, as long as the trunk shape suits the design.
Bell Bike Trunk Rack
Bell Bike Trunk Rack
Best for: Best for a simple, traditional trunk rack
Riders who want an uncomplicated, familiar trunk rack without extra features will find this a fit. It appeals to occasional users who value a quick setup over adjustable engineering.
Key specs
- Trunk-mounted strap-and-hook design
- Confirm bike capacity and vehicle compatibility on the listing before purchase
Pros
- Bell is a long-standing name in bicycle accessories
- Simple design is quick to understand and install
- Easy to remove when not in use
Cons
- Fewer adjustment options than premium trunk systems
- Owners sometimes report that straps need retightening after the first few drives
Bottom line: A good match for casual riders who want a straightforward rack and are comfortable checking straps regularly.
Buying Guide
Vehicle fit and trunk shape
Trunk racks hook onto the trunk lid and rest against the rear window and bumper. Sedans with a flat, fairly tall trunk lid usually work best. Hatchbacks and wagons often do not, because there is no trunk lid to hook onto. Check the manufacturer’s vehicle fit guide before buying, and measure the distance between the trunk lid and the bumper.
Good picks for this: Thule Gateway Pro Trunk Bike Rack, Bell Bike Trunk Rack
Bike capacity and frame clearance
Each rack lists a maximum number of bikes, but that number assumes the bikes fit. Frame size, tire width and pedal length all affect whether bikes can sit side by side without touching. Leave at least a few inches between frames and check that the rear wheels clear the bumper and any spoilers.
Good picks for this: Allen Sports Premier 3-Bike Trunk Rack, Model S103, Allen Sports Premier 4-Bike Trunk Rack, Model S104
Weight limits
Check both the total load limit for the rack and the weight limit your vehicle manufacturer specifies for the trunk. Carrying heavy e-bikes on a trunk rack can exceed what the trunk lid was designed to support. Consult your owner’s manual, and if you are unsure, ask a qualified automotive technician.
Good picks for this: Thule Gateway Pro Trunk Bike Rack, Allen Sports Premier 2-Bike Trunk Rack, Model S102, Black
Security and locking
Trunk racks are less secure than hitch racks because the bikes sit outside the car where they can be seen. Look for racks with frame-locking options or cable locks you can thread through the frames and the rack. Remove bikes or lock the rack to the car when parked overnight.
Good picks for this: Thule Gateway Pro Trunk Bike Rack, Bell Bike Trunk Rack
Installation and daily use
A trunk rack should feel firm once installed. Test the straps by pushing on the rack before each trip. Re-tighten straps after the first few miles, because the rack can settle. Keep the trunk clear of anything that could scratch paint or pinch straps.
Good picks for this: Bell Bike Trunk Rack, Allen Sports Premier 2-Bike Trunk Rack, Model S102, Black
Durability and materials
Look for powder-coated or otherwise corrosion-resistant steel or aluminum frames, along with UV-resistant straps and rubber padding on contact points. Padding protects the paint on the trunk lid and rear glass, which is a common concern in owner feedback.
Good picks for this: Thule Gateway Pro Trunk Bike Rack, Allen Sports Premier 4-Bike Trunk Rack, Model S104
Care and maintenance
Wipe off road grime and salt, especially after winter driving. Check the hooks and straps for wear, and replace any that look frayed or stretched. Store the rack indoors when it is not in use to extend its life.
Good picks for this: Allen Sports Premier 3-Bike Trunk Rack, Model S103, Bell Bike Trunk Rack
FAQ
Will a car trunk bike rack damage my car?
It can scratch paint or leave marks on the trunk lid and rear window if the rubber pads are dirty or worn, or if straps are overtightened. Clean the contact points before installing and use the padding the rack provides. Check your owner’s manual for any warnings about trunk-mounted racks.
Can I use a car trunk bike rack with an electric bike?
Some trunk racks can carry e-bikes, but e-bikes are much heavier than standard bikes. Confirm the rack’s stated weight limit per bike and the trunk weight limit in your vehicle manual. If you are unsure, consult a professional bike shop or your vehicle dealer.
Do trunk bike racks work on SUVs?
Most trunk racks are designed for sedans and some hatchbacks. SUVs and wagons usually have a rear hatch or tailgate instead of a trunk lid, so a trunk rack will not attach properly. For those vehicles, a hitch rack or roof rack is usually a better fit.
How many bikes can a trunk rack carry?
Capacity depends on the rack. Two-bike, three-bike and four-bike models are common. Check the listed capacity and whether the bikes will fit without touching, since frame size and tire width affect spacing.
Is a trunk rack safer than a roof rack?
Each has different trade-offs. Trunk racks keep bikes at a lower height, which can make loading easier, but they sit close to the rear of the car and can obstruct the license plate and rear lights. Make sure your plate and lights remain visible after installing any rack.
How do I keep my bikes secure on a trunk rack?
Use cable locks through the frames and the rack, and remove bikes or lock the rack when parking overnight. Trunk racks are easier to steal from than hitch racks, so avoid leaving bikes unattended in public places.
How often should I check the straps?
Check straps before every trip and again after the first few miles. Straps can loosen with vibration, temperature changes and bike movement. Replace any strap that shows fraying or stretching.
Conclusion
For most riders who want a reputable, adjustable trunk rack, the Thule Gateway Pro Trunk Bike Rack is the strongest all-around choice. Families who need to carry three or four bikes should look at the Allen Sports Premier 3-Bike and 4-Bike racks, provided their trunk and vehicle can handle the load and frame spacing. The Allen Sports Premier 2-Bike Trunk Rack suits couples and budget-minded buyers, and the Bell Bike Trunk Rack works well for casual riders who want a simple setup. Whatever you choose, confirm vehicle fit, bike clearance and weight limits before buying, and check straps regularly.
Sources
- Vehicle safety information and guidance on loads and equipment that can affect a car's handling (nhtsa.gov)
- Consumer product safety recalls and advice on bicycle accessories and related equipment (cpsc.gov)
- Guidance from a national bicycling advocacy organization on safe bike transport and riding
Related reading
- Bike Rack for Car Trunk Mount: 5 Best Picks Compared (2026)
- Saris Bones EX 2 Bike Trunk Rack: Install and Load It Right (2026)
- E Bike Car Rack Compared: 7 Best Picks for Every Need (2026)
- Wall Bike Rack Vertical: 6 Steps to Mount and Load Yours Safely
- Tow Hitch Dirt Bike Rack: 6 Steps to Choose, Mount and Load Safely (2026)
- Top 5 Truck Mounted Bike Rack Options Compared for Pickups and Trucks
About Owen Palmer
Owen Palmer is part of our editorial team and reviews and edits our bike accessories guides, checking product details against manufacturer specifications and owner feedback.
