AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2024 Grand Design Momentum

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $5,000–$8,000

The 2024 Grand Design MOMENTUM is plagued by significant suspension and structural issues, evident from recurring recalls on U-bolts and step assemblies. Complaints about brakes and wheels further stress reliability concerns, affecting its overall rating.

Most-common failures

Part Typical mileage Cost range Frequency
U-bolt assembly20,000–40,000 miles$200–$400very common
Step assembly10,000–25,000 miles$150–$350common
Service brakes30,000–50,000 miles$300–$600common
Wheel bearings30,000–60,000 miles$100–$250occasional
Trailer hitch40,000–70,000 miles$200–$500occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Annual brake inspection
  • Tire rotation every 15,000 miles
  • Suspension alignment check yearly
  • Hitch inspection annually
  • Electrical system check every 2 years

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Loose U-bolt fittings
  • Step assembly instability
  • Reduced braking efficiency
  • Unusual tire wear patterns
  • Suspension misalignment

Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.