For full time travelers who hook up often, sometimes after dark. The built in lights and wiring are worth the high price if you use them.
etrailer $1,545The Roadmaster Nighthawk 676 is the better tow bar overall, rated 3.3 to 3.2. The Roadmaster Nighthawk 676 leads on warranty. The Blue Ox Alpha BX7390 wins on price. The Blue Ox Alpha BX7390 costs $508.36 less ($1,036.64 vs $1,545).
For a car or small SUV behind a midsize motorhome. It is easy to handle, but rivals offer more capacity and longer warranties for the money.
Amazon $1,036.64Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Roadmaster Nighthawk 676 for warranty (limited lifetime warranty vs 3-year warranty).
- Choose the Blue Ox Alpha BX7390 for price ($1,036.64 vs $1,545).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every tow bar tow bar; a clear win is highlighted. How we rank explains each one.
| Factor weight | Roadmaster Nighthawk 676 | Blue Ox Alpha BX7390 |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Price 25% | 4 $1,545 | 44 $1,036.64 |
| Capacity or braking 20% | 43 8,000 lb towing capacity | 50 8,500 lb towing capacity |
| Weight or install 15% | 50 weight not published (neutral score used) | 60 40 lb |
| Features 20% | 75 non-binding latches, stores on the motorhome, safety cables included, lights in the arms | 70 self-aligning arms, non-binding latches, safety cables included |
| Warranty 20% | 100 limited lifetime warranty | 22 3-year warranty |
Specifications
| Roadmaster Nighthawk 676 | Blue Ox Alpha BX7390 | |
|---|---|---|
| Tow bar | ||
| Type | Tow bar | Tow bar |
| Towing capacity | 8,000 lb | 8,500 lb |
| Hitch | - | 2 in receiver |
| Material | Aluminum and steel | Steel |
| Self-aligning arms | - | Yes |
| Non-binding latches | Yes | Yes |
| Stores on motorhome | Yes | - |
| Safety cables included | Yes | Yes |
| Lights in arms | Yes | - |
| Brake included | No | No |
| Build | ||
| Weight | - | 40 lb |
| Warranty | Limited lifetime | 3 years |
