CURT Rambler 70015
#6 in Tow barFull review
For a car or midsize SUV behind a motorhome. It has the hookup features of pricier bars for less.
Amazon $937.95$937.95
The CURT Rambler 70015 is the better tow bar overall, rated 3.8 to 3.7. The CURT Rambler 70015 leads on price. The Roadmaster Sterling All Terrain 576 wins on features and weight or install. The CURT Rambler 70015 costs $437.05 less ($937.95 vs $1,375).
Roadmaster Sterling All Terrain 576
#9 in Tow barFull review
For anyone who lifts the bar on and off often. It is light and complete in the box, at a premium price.
etrailer $1,375$1,375
Prices 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 CURT Rambler 70015 for price ($937.95 vs $1,375).
- Choose the Roadmaster Sterling All Terrain 576 for features (self-aligning arms, non-binding latches, stores on the motorhome, safety cables included vs self-aligning arms, non-binding latches, stores on the motorhome) and weight or install (35 lb vs 38 lb).
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 | CURT Rambler 70015 | Roadmaster Sterling All Terrain 576 |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Price 25% | 54 $937.95 | 15 $1,375 |
| Capacity or braking 20% | 36 7,500 lb towing capacity | 43 8,000 lb towing capacity |
| Weight or install 15% | 68 38 lb | 80 35 lb |
| Features 20% | 75 self-aligning arms, non-binding latches, stores on the motorhome | 90 self-aligning arms, non-binding latches, stores on the motorhome, safety cables included |
| Warranty 20% | 100 limited lifetime warranty | 100 limited lifetime warranty |
Specifications
| CURT Rambler 70015 | Roadmaster Sterling All Terrain 576 | |
|---|---|---|
| Tow bar | ||
| Type | Tow bar | Tow bar |
| Towing capacity | 7,500 lb | 8,000 lb |
| Hitch | 2 in receiver | 2 in receiver |
| Material | Steel | Aluminum |
| Self-aligning arms | Yes | Yes |
| Non-binding latches | Yes | Yes |
| Stores on motorhome | Yes | Yes |
| Safety cables included | - | Yes |
| Lights in arms | - | No |
| Brake included | No | No |
| Build | ||
| Weight | 38 lb | 35 lb |
| Warranty | Limited lifetime | Limited lifetime |