When choosing between luxury performance SUVs, the Aston Martin DBX and Porsche Cayenne S Coupe represent two distinct philosophies in automotive excellence. After an extensive test day featuring both vehicles, this comprehensive review reveals surprising insights about these premium competitors.
The Power Behind These Luxury SUVs
Both vehicles showcase impressive German engineering under their hoods, featuring powerful biturbo V8 engines that deliver pure performance without electric assistance.
Aston Martin DBX Specifications
- Engine: AMG-sourced 4.0L biturbo V8
- Power Output: 550 horsepower (pre-facelift model)
- Transmission: 9G-Tronic 9-speed automatic
- Notable Feature: Engine positioned rearward for optimal weight distribution
- Current Model: DBX707 produces 707 hp with ball-bearing turbochargers
Porsche Cayenne S Coupe Specifications
- Engine: EA825 4.0L biturbo V8
- Power Output: 474 horsepower
- Transmission: ZF 8-speed automatic
- Notable Feature: Returned to V8 configuration in 2023 after V6 era
- Sales Success: Over 100,000 units sold annually with 18% growth
Performance Testing Results
Acceleration and Speed Metrics
The real-world performance testing revealed interesting contrasts between these luxury SUVs:
Porsche Cayenne S Coupe Performance:
- 0-100 km/h in 5.0-5.2 seconds
- Top speed achieved: 270 km/h (claimed 273 km/h)
- Sport Plus mode activates launch control
- Deliberate shifts from ZF automatic transmission
Aston Martin DBX Performance:
- 0-100 km/h in 4.5 seconds (factory claim)
- Top speed: 291 km/h
- Smoother power delivery without dramatic launch
- More refined transmission behavior
Handling and Dynamics Testing
Moose Test Results
The emergency maneuver testing produced surprising outcomes:
- Aston Martin DBX: Maximum speed of 82.1 km/h
- Porsche Cayenne S Coupe: Maximum speed of 79.5 km/h
The Aston Martin’s stability control system actively slowed the vehicle while maintaining trajectory control, outperforming the Porsche’s tendency toward understeer at higher speeds.
Braking Performance
Both vehicles demonstrated excellent stopping power:
- Porsche Cayenne: 31 meters from 80 km/h with minimal variance
- Aston Martin DBX: 31.7 meters average with slight lock-up detected
Interior Quality and Comfort Comparison
Aston Martin DBX Interior Highlights
The British luxury SUV excels in premium materials and craftsmanship:
- Genuine Bridge of Weir leather from Scottish suppliers
- Real wood trim throughout the cabin
- Superior ergonomics with perfectly positioned armrests
- Comfortable seating that embraces occupants
- Traditional luxury scent from authentic materials
- Spacious rear compartment with excellent headroom
Porsche Cayenne S Coupe Interior Analysis
The German approach prioritizes technology over traditional luxury:
- Digital-focused cockpit with multiple screens
- Eco-leather and recycled materials throughout
- Spring-loaded climate controls for tactile feedback
- Harder, more angular seats compared to Aston
- Excellent sound insulation but noticeable tire noise
- Techno-minimalist design philosophy
Technology and Features
Infotainment Systems
Porsche Cayenne S Coupe:
- Multiple digital displays
- Touch-sensitive controls
- Advanced driver assistance systems
- Burmester audio system (underwhelming performance noted)
Aston Martin DBX:
- Pre-facelift model uses rotary dial navigation
- 2024 models feature updated touchscreen interface
- Pop-out rear camera above license plate
- Superior visibility with larger mirrors
Practical Considerations
Cargo Space Comparison
Both SUVs offer similar practicality:
- Aston Martin DBX: 694-1,530 liters
- Porsche Cayenne S Coupe: 592-1,502 liters
Off-Road Capability
The Aston Martin surprisingly offers superior ground clearance:
- DBX air suspension lift: 238mm maximum
- Cayenne air suspension lift: 228mm maximum
- Approach/departure angles: Better on DBX
Pricing and Value Analysis
New Vehicle Pricing
The pricing gap reflects different market positions:
- Porsche Cayenne S Coupe: Approximately $140,000 starting
- Aston Martin DBX707: Approximately $280,000
Depreciation Factors
The used market reveals interesting dynamics:
- Aston Martin suffers significant depreciation, making pre-owned models competitive with Cayenne S pricing
- Porsche maintains stronger resale value due to brand reputation and volume sales
- Used DBX models offer exceptional value for luxury SUV buyers
Production Philosophy Differences
Porsche’s Mass-Market Luxury Approach
The Cayenne represents Volkswagen Group’s platform-sharing strategy:
- Shared architecture with Audi Q7 and Bentley Bentayga
- High production volumes ensuring profitability
- Funds development of sports cars like 911
- Focus on technology and efficiency
Aston Martin’s Exclusive Craftsmanship
The DBX embodies traditional British luxury manufacturing:
- Limited production of 2,000-3,000 units annually
- Hand-finished interiors with genuine materials
- Unique design language distinct from competitors
- Focus on emotional connection and exclusivity
Driving Experience Comparison
Porsche Cayenne S Coupe Impressions
Strengths:
- Exceptional braking performance
- Predictable handling characteristics
- Refined cabin insulation
- Advanced suspension technology
Weaknesses:
- Artificial steering feel lacking feedback
- Intrusive tire noise on 22-inch wheels
- Hard seats requiring adjustment period
- Synthetic material odors
Aston Martin DBX Impressions
Strengths:
- Superior comfort and ergonomics
- Genuine luxury materials throughout
- Better visibility and camera systems
- More engaging driving experience
Weaknesses:
- Outdated infotainment in pre-facelift models
- Limited service network
- Higher maintenance costs
- Steep depreciation curve
Final Verdict: Which Luxury SUV Wins?
The test revealed an unexpected winner in the Aston Martin DBX, which proved more emotionally engaging and genuinely luxurious than the technically proficient Porsche Cayenne S Coupe.
Why Choose the Porsche Cayenne S Coupe:
- Proven reliability and dealer network
- Better resale value retention
- More affordable entry price
- Advanced technology integration
- Extensive customization options
Why Choose the Aston Martin DBX:
- Exceptional value in pre-owned market
- Authentic luxury materials and craftsmanship
- More exclusive ownership experience
- Superior comfort and ergonomics
- Better handling in emergency maneuvers
Conclusion
While the Porsche Cayenne S Coupe delivers impressive technical competence and represents smart financial sense, the Aston Martin DBX offers something rarer: genuine emotional connection and traditional luxury craftsmanship. For buyers seeking exclusivity and willing to accept depreciation, the DBX provides an experience that transcends mere transportation.
The philosophical difference is clear: Porsche builds excellent machines that generate profits to fund sports car development, while Aston Martin creates rare automotive art that attracts passionate enthusiasts. In this comparison, passion triumphed over pragmatism, making the DBX our surprising favorite despite its higher price and lower sales volume.
Test conducted with 2021 Aston Martin DBX (550hp) and 2024 Porsche Cayenne S Coupe. Results may vary with different model years and specifications.
Photo: Leonid Golovanov
This is a translation. You can read the original article here: Aston Martin DBX или Porsche Cayenne S Coupe? Тест на полигоне
Published October 16, 2025 • 6m to read
