Great Dane Rottweiler Mix
Everything you need to know about the Great Dane Rottweiler mix: size, temperament, health risks, cost, and whether this giant crossbreed fits your family.
If you've ever watched a Great Dane lumber gracefully across a dog park and a Rottweiler patrol the fence line with quiet confidence, you might wonder what happens when you combine these two powerhouse breeds. The Great Dane Rottweiler mix — sometimes called the "Rott Dane" or "Great Rottie" — is a deliberate cross between two of the largest, most recognizable working breeds in the world. This is not a dog for casual owners. Weighing up to 175 pounds and standing taller than most dining tables, this mixed breed demands space, experience, and a serious commitment to training and health management.
In this guide, we'll break down exactly what prospective owners should expect — including the traits that are fairly predictable, the ones that are a genetic coin flip, and the health realities that responsible owners must plan for.
Parent Breeds: Great Dane and Rottweiler at a Glance
Before predicting what a mixed-breed puppy might become, you need to understand the two foundation breeds. Both have centuries of working history behind them, but they were shaped for very different jobs.
| Trait | Great Dane | Rottweiler |
|---|---|---|
| Origin | Germany — boar hunting, estate guarding | Germany — cattle driving, cart pulling, guarding |
| AKC Group | Working Group | Working Group |
| Weight Range | 110–175 lb (50–79 kg) | 80–135 lb (36–61 kg) |
| Height | 28–32 in (71–81 cm) | 22–27 in (56–69 cm) |
| Coat | Short, smooth, single coat | Short to medium, double coat |
| Lifespan | 7–10 years | 9–10 years |
| Energy Level | Moderate — bursts of activity, lots of lounging | High — sustained endurance, needs a job |
| Temperament | Friendly, gentle, people-oriented | Confident, aloof with strangers, loyal |
| Trainability | Moderate — can be stubborn, sensitive | High — eager to work, responds to structure |
| Guard Instinct | Low to moderate — imposing but friendly | High — natural guardian, territorial |
The Great Dane brings height, a softer temperament, and a lower energy ceiling. The Rottweiler contributes muscle density, drive, protective instinct, and a thicker double coat. A cross between them can lean heavily toward either parent — or land somewhere in between on every single trait.
Generations Explained: F1, F1B, and Multigen Crosses
- F1 (First Generation): One purebred Great Dane × one purebred Rottweiler. Maximum genetic diversity, highest trait variability between puppies in the same litter.
- F1B (First Generation Backcross): An F1 Rott Dane × one purebred parent breed (usually Rottweiler). Slightly more predictable toward the backcross parent's traits.
- F2 (Second Generation): Two F1 Rott Danes bred together. Greater trait variation than F1B due to gene recombination — puppies can look very different from each other.
- Multigen (F3+): Multiple generations of Rott Dane × Rott Dane breeding. Rare for this particular cross. May offer more predictability but requires a dedicated breeder with a multi-generation health-tested program.
Most Great Dane Rottweiler mixes you'll encounter are F1 crosses — a deliberate pairing of two purebred parents. Unlike the Doodle market, there is no large-scale multigen breeding program for Rott Danes. This means nearly every litter is a first-generation cross, and trait predictability remains limited. If a breeder claims to have "multigen Rott Danes with guaranteed traits," ask for documented pedigrees going back at least three generations. Most cannot provide them.
Size Range: How Big Will a Great Dane Rottweiler Mix Get?
This is one area where you can set reasonable boundaries, even if exact size is unpredictable. The puppy will almost certainly fall somewhere between the two parent breed ranges, but where it lands depends on which parent's growth genes dominate.
| Measurement | Minimum Expected | Maximum Expected | Most Common Range |
|---|---|---|---|
| Weight (Males) | 100 lb (45 kg) | 170 lb (77 kg) | 120–150 lb (54–68 kg) |
| Weight (Females) | 85 lb (39 kg) | 140 lb (64 kg) | 100–125 lb (45–57 kg) |
| Height at Shoulder | 25 in (64 cm) | 31 in (79 cm) | 27–29 in (69–74 cm) |
| Full Growth Age | 18–24 months (giant breeds mature slowly) | ||
A practical note: plan your living space for a 150-pound dog even if your puppy ends up smaller. You'll need a vehicle that accommodates a giant-breed crate (48-inch minimum, 54-inch recommended), doorways wide enough for a broad-chested dog, and furniture that can handle a dog who thinks it's a lap dog despite weighing as much as an adult human.
Coat Types, Shedding, and Grooming Requirements
The coat your Rott Dane inherits depends on which parent's genes are expressed — and this is genuinely a coin flip in F1 litters.
Possible Coat Outcomes
- Great Dane-type coat: Very short, smooth, single-layered. Low shedding, easy to maintain with a weekly rubber curry brush. No undercoat means less seasonal blowout but more sensitivity to cold weather.
- Rottweiler-type coat: Short to medium length with a dense undercoat. Moderate to heavy shedding year-round with significant seasonal shedding (spring and fall). Requires brushing 2–3 times per week with an undercoat rake during shedding season.
- Intermediate coat: Short with slight undercoat density. Moderate shedding. Most common outcome in F1 crosses based on breeder reports.
No. Neither parent breed is hypoallergenic or low-shedding. The Great Dane Rottweiler mix will shed — the only question is how much. If you have dog allergies, this is not a suitable crossbreed. There is no generation (F1, F1B, or multigen) that produces a low-shedding Rott Dane.
Grooming Checklist
- Brushing: 1–3 times per week depending on coat type. Use a Kong ZoomGum rubber brush for short coats or a Furminator deShedding tool for double-coated individuals.
- Bathing: Every 6–8 weeks, or as needed. Use a large-format dog wash station or a professional groomer equipped for giant breeds (budget $60–$100 per session).
- Nail trimming: Every 3–4 weeks. Giant-breed nails grow thick and can split if overgrown. A Dremel 7300-PT rotary tool works well for dogs who tolerate vibration.
- Ear cleaning: Weekly, especially if ears are floppy (Dane-inherited). Use a veterinary ear cleaner like Epi-Otic Advanced.
- Dental care: Daily brushing with enzymatic toothpaste or, at minimum, dental chews sized for giant breeds (e.g., Purina Dental Chewz XL).
Temperament: Best-Case, Challenging, and Everything Between
Temperament is where the Great Dane Rottweiler mix becomes genuinely unpredictable — and where inexperienced owners can get into serious trouble. A 140-pound dog with poor socialization and conflicting instincts is a liability, not a companion.
Best-Case Scenario
The dog inherits the Great Dane's easygoing friendliness combined with the Rottweiler's confidence and trainability. Result: a calm, self-assured dog who is gentle with family members, polite with strangers, responsive to commands, and content to relax at home. This dog is a joy — imposing enough to deter intruders simply by existing, but warm enough to greet guests without incident.
Challenging Scenario
The dog inherits the Rottweiler's territorial guarding instinct paired with the Great Dane's size but without either breed's typical stability. Result: a large, powerful dog who is suspicious of strangers, reactive on leash, difficult to redirect when aroused, and physically strong enough to pull an adult off their feet. This is the scenario that ends dogs in shelters — not because the dog is "bad," but because the owner was unprepared for the combination of size and drive.
What Most Owners Actually Experience
Most Rott Danes fall in the middle: loyal and affectionate with family, somewhat reserved with strangers, moderately trainable, and prone to leaning on people for physical contact (a trait both parent breeds share). They tend to be less hyperactive than pure Rottweilers but more alert than pure Great Danes. Early socialization — starting before 16 weeks of age — is non-negotiable for this cross.
Training Approach
Use positive reinforcement methods exclusively. Force-free training with high-value food rewards (freeze-dried liver, boiled chicken) works well for both parent breeds. Avoid aversive tools like prong collars, shock collars, or alpha rolls — these methods increase fear-based aggression in guardian breeds, which is the last thing you want in a 140-pound dog. Work with a certified professional dog trainer (CPDT-KA or IAABC-credentialed) who has experience with large working breeds. Budget $80–$150 per session for private lessons, or $200–$400 for a 6-week group class series.
Health Considerations: Hybrid Vigor vs. Inherited Risks
Let's address the most persistent myth in the designer dog world: the idea that mixed breeds automatically enjoy "hybrid vigor" — meaning they're healthier than either parent breed. The reality, according to research published in the Journal of the American Veterinary Medical Association, is more nuanced. Crossbreeding increases genetic diversity, which can reduce the risk of recessive inherited disorders. But it does not protect against conditions that both parent breeds share — and the Great Dane and Rottweiler share several serious ones.
Conditions Both Breeds Are Predisposed To
| Condition | Description | Prevalence | Screening |
|---|---|---|---|
| Hip Dysplasia | Malformation of the hip joint leading to arthritis | Great Danes: ~12%, Rottweilers: ~20% (OFA data) | OFA or PennHIP radiographs at 24 months |
| Dilated Cardiomyopathy (DCM) | Progressive heart muscle weakness | Both breeds are on the predisposed list per veterinary cardiologists | Annual echocardiogram from age 3+ |
| Osteosarcoma (Bone Cancer) | Aggressive bone malignancy, most common in giant breeds | Rottweilers: ~12.5% lifetime risk; Great Danes also elevated | No reliable early screening; monitor for lameness |
| Gastric Dilatation-Volvulus (GDV/Bloat) | Stomach twists on itself — a life-threatening emergency | Great Danes: highest risk of any breed (~37% lifetime); Rottweilers also at risk | Prophylactic gastropexy recommended (see below) |
| Hypothyroidism | Underactive thyroid causing weight gain, lethargy, skin issues | Rottweilers particularly predisposed | Annual thyroid panel from age 4+ |
Great Dane-Specific Risks That May Appear
- Wobbler Syndrome (Cervical Spondylomyelopathy): Spinal cord compression in the neck. Onset typically between ages 3–7. Symptoms include a wobbly gait in the hind legs. Surgical treatment costs $4,000–$8,000.
- Elbow Hygroma: Fluid-filled swelling over the elbow from lying on hard surfaces. Common in giant breeds. Prevent with orthopedic bedding (Big Barker 7-inch orthopedic bed, $240–$350).
Rottweiler-Specific Risks That May Appear
- Aortic Stenosis: Narrowing of the heart's aortic valve. Congenital, detectable by echocardiogram at 12 months.
- Entropion/Ectropion: Eyelid abnormalities causing irritation. Surgical correction costs $500–$1,500 per eye.
Given the extreme bloat risk in Great Danes and the elevated risk in Rottweilers, discuss prophylactic gastropexy with your veterinarian. This surgical procedure tacks the stomach to the abdominal wall, preventing it from twisting. It can be performed during spay/neuter surgery and costs $400–$800 when done concurrently. Emergency GDV surgery, by contrast, costs $3,000–$7,000 and still carries a 15–30% mortality rate. For a Great Dane Rottweiler mix, preventive gastropexy is one of the most impactful health decisions you can make. Always consult your veterinarian to determine the right timing for your individual dog.
Lifespan Expectation
Based on parent breed averages, expect a lifespan of 8–10 years, with some individuals living to 11 or 12 with excellent genetics and proactive health management. This is shorter than many breeds, and prospective owners should be emotionally and financially prepared for a giant breed's compressed life arc.
Exercise and Daily Care Requirements
Despite their size, Rott Danes are not typically endurance athletes. Plan for the following daily routine:
- Walks: 45–60 minutes per day, split into two sessions. Avoid forced running on hard surfaces until growth plates close (18–24 months).
- Mental stimulation: 20–30 minutes daily — food puzzles (Kong Classic XL, $16; Outward Hound Nina Ottosson Dog Brick, $25), scent work, or structured training sessions.
- Free play: Access to a securely fenced yard (minimum 6-foot fence — both parent breeds can jump or climb). A 4-foot fence will not contain a determined Rott Dane.
- Rest: Giant breeds sleep 14–18 hours per day. Provide an orthopedic bed in a climate-controlled area. Joint supplements containing glucosamine HCl (1,500 mg/day for dogs over 100 lb) and omega-3 fatty acids may support long-term mobility — discuss dosing with your veterinarian.
Nutrition and Feeding Costs
A 130-pound Rott Dane will eat approximately 5–7 cups of high-quality kibble per day. Feed a large-breed or giant-breed formula that meets AAFCO standards for large-breed growth (if under 18 months) or adult maintenance. Recommended brands include Purina Pro Plan Large Breed, Royal Canin Giant Adult, and Hill's Science Diet Large Breed. Expect to spend $100–$160 per month on food alone.
Cost Breakdown: Purchase Price and Annual Expenses
Acquisition Cost
| Source | Price Range | What's Included |
|---|---|---|
| Specialty Breeder (health-tested parents) | $1,500–$3,500 | OFA/PennHIP certifications, first vaccines, microchip, health guarantee, spay/neuter contract |
| Casual/Backyard Breeder | $500–$1,200 | Often no health testing, minimal documentation — higher risk of inherited conditions |
| Breed Rescue (Great Dane or Rottweiler rescues) | $200–$500 | Mixed breeds occasionally appear; adoption fee covers vetting, spay/neuter, vaccines |
| Shelter | $50–$300 | Variable; large-breed mixes are not uncommon in shelters |
Responsible breeders of this cross are uncommon. If you pursue a breeder, require documentation of OFA hip and elbow scores, echocardiogram results, and thyroid panels for both parent dogs. A breeder who cannot produce these records is not performing health testing — they are simply breeding two dogs together.
Annual Care Cost Estimate
- Food: $1,200–$1,900/year
- Veterinary care (routine): $600–$1,000/year (annual exams, bloodwork, heartworm testing, vaccines)
- Heartworm/flea/tick prevention: $300–$500/year (Heartgard Plus for dogs 100+ lb, NexGard or Simparica Trio)
- Pet insurance: $80–$150/month for a giant-breed mixed dog (Trupanion, Healthy Paws, or Fetch). Highly recommended given the breed's health risks.
- Grooming: $0–$600/year (home grooming vs. professional)
- Supplies (bed, crate, leash, bowls): $500–$800 first year, $150–$300/year replacement
- Total estimated annual cost: $3,500–$6,500/year, excluding emergency veterinary care
Who Should (and Shouldn't) Own a Great Dane Rottweiler Mix
- Experience with large or working breeds (minimum one prior dog over 70 lb)
- Home with a fenced yard (rental apartments are rarely suitable — many landlords restrict dogs over 100 lb or breeds perceived as guardian types)
- Physically capable of handling a dog that can pull 150+ lb of force on a leash
- Financially prepared for $4,000–$7,000 in emergency veterinary costs (GDV, orthopedic surgery, cardiac care)
- Committed to 12–18 months of structured training with a professional
- Available to be home most of the day — both parent breeds are prone to separation distress when left alone 8+ hours
- First-time dog owners
- Families with very young children (the dog's size alone poses an accidental injury risk to toddlers)
- People living in apartments or condos with breed/size restrictions
- Owners who cannot commit to daily structured exercise and training
- Households with small dogs or cats (Rottweiler prey drive may be inherited)
- Anyone seeking a guaranteed temperament — this cross is inherently variable
Children and Other Pets
Rott Danes raised with children from puppyhood can be gentle and protective. However, a 130-pound dog can accidentally knock over a child simply by turning around in a hallway. Supervision is mandatory until both the dog and the child are mature enough to interact safely (generally age 8+ for children). With other dogs, early and ongoing socialization is critical. Same-sex aggression can occur, particularly between intact males of large working breeds.
Frequently Asked Questions
What two breeds make up the Great Dane Rottweiler mix?
A purebred Great Dane and a purebred Rottweiler. Both are German-origin working breeds recognized by the AKC. The cross is not recognized by any major kennel club as a distinct breed.
How big will my Great Dane Rottweiler mix get?
Most adults fall between 100–170 lb (45–77 kg) and 25–31 inches at the shoulder. Males tend toward the larger end. Full growth is reached between 18 and 24 months. There is no way to predict exact adult size from a puppy — paw size and parent size offer rough guidance but are not reliable.
What will the temperament be like?
Expect a loyal, family-oriented dog with moderate-to-high guardian instinct. Individual temperament varies widely depending on which parent's behavioral traits are expressed. Early socialization (before 16 weeks) and professional training are essential regardless of the puppy's apparent personality.
Is this mix hypoallergenic or low-shedding?
No. Both parent breeds shed, and the Rott Dane is no exception. If allergies are a concern, this is not an appropriate crossbreed to consider.
What health issues might this mix inherit?
The most significant shared risks are hip dysplasia, dilated cardiomyopathy, osteosarcoma, and gastric dilatation-volvulus (bloat). Bloat is the most immediately dangerous — discuss prophylactic gastropexy with your veterinarian. Annual health screenings including hip radiographs, echocardiograms, and thyroid panels are strongly recommended.
How much does a Great Dane Rottweiler mix cost?
From a responsible breeder who health-tests both parents, expect to pay $1,500–$3,500. Adoption through a breed rescue typically costs $200–$500. Annual care costs run $3,500–$6,500 per year, with emergency veterinary events potentially adding $3,000–$8,000 in a single incident.
Can I find this mix in a shelter or rescue?
Yes, though not commonly listed by name. Large-breed mixed dogs frequently appear in shelters and breed-specific rescues. Check Petfinder and contact Great Dane rescue organizations (such as Great Dane Rescue of North America) and Rottweiler rescues (such as RottNet) — both occasionally take in mixed-breed dogs.
The Great Dane Rottweiler mix is a magnificent animal — but it is not a beginner dog, a low-maintenance dog, or a predictable dog. If you have the experience, the space, the budget, and the patience to raise a giant-breed cross with care and consistency, the Rott Dane can be an extraordinary companion. If any of those elements are missing, a smaller, more predictable breed will serve both you and the dog better in the long run.
Dr. Hannah Wickes
All our authors care for dogs every day — read more of their work on the authors page.
