Alfa Romeo Giulia vs. Porsche 911
iSeeCars' unbiased and data-driven comparison of the Alfa Romeo Giulia and Porsche 911 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Alfa Romeo Giulia and the Porsche 911.
In comparing the Alfa Romeo Giulia's and the Porsche 911's specifications and ratings, the Alfa Romeo Giulia has the advantage in the areas of new vehicle base pricing, typical lower range of pricing for one- to five-year-old used cars, and interior volume. The Porsche 911 has the advantage in the areas of reliability, resale value, overall quality score and base engine power. Based on this comparison of the Alfa Romeo Giulia's and the Porsche 911's specifications and ratings, the Porsche 911 is a better car than the Alfa Romeo Giulia.
Pricing: A used 2024 Alfa Romeo Giulia ranges from $38,268 to $55,987 while a used 2024 Porsche 911 is priced between $150,109 to $444,895. For a new model, the Alfa Romeo Giulia's price is between $43,333 and $85,885, with the Porsche 911 priced between $133,788 and $312,710.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Alfa Romeo Giulia loses 50.5 percent of its value and the Porsche 911 loses 8.3 percent of its value. This means the Porsche 911 retains 42.2 percentage points more of its value and has the advantage of higher resale value versus the Alfa Romeo Giulia.
Quality Rating: The iSeeCars Overall Quality rating for the Alfa Romeo Giulia is 6.7 out of 10 while the Porsche 911's quality rating is 9.2 out of 10. This results in the Alfa Romeo Giulia being ranked 23 out of 36 Best Luxury Small Cars and the Porsche 911 being ranked 1 out of 41 Best Luxury Sports Cars.
Reliability Rating: iSeeCars’ Reliability Rating for the Alfa Romeo Giulia is 6.0 out of 10. For the Porsche 911 the reliability rating is 8.4 out of 10. This gives the Porsche 911 an advantage in reliability compared to the Alfa Romeo Giulia.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Alfa Romeo Giulia’s base engine makes 280 horsepower, and the Porsche 911 base engine makes 379 horsepower.
Passenger Space Comparison: The Alfa Romeo Giulia, a compact car, has the advantage of offering more interior volume, reflected in more cargo space.
New Car Pricing
Asking Price:
$43,333 - $85,885
Starting MSRP:
$43,340
Category Avg Starting MSRP:
(Luxury Compact Cars)
$48,375
Category Starting MSRP Range:
(Luxury Compact Cars)
$31,800 - $79,900
New Car Pricing
Asking Price:
$133,788 - $312,710
Starting MSRP:
$114,400
Category Avg Starting MSRP:
(Luxury Sports Cars)
$102,671
Category Starting MSRP Range:
(Luxury Sports Cars)
$46,440 - $273,000
Used Car Pricing
Avg Used Car Price:
$48,057
Price Range:
$38,268 - $55,987
Category Avg Price:
(Luxury Compact Cars)
$52,490
Category Avg Price Range:
(Luxury Compact Cars)
$35,163 - $100,522
# Used Cars for Sale Nationally:
400
Avg Mileage of Used Cars for Sale:
1,170
# Good or Great Deals:
13
Used Car Pricing
Avg Used Car Price:
$273,789
Price Range:
$150,109 - $444,895
Category Avg Price:
(Luxury Sports Cars)
$126,819
Category Avg Price Range:
(Luxury Sports Cars)
$63,681 - $273,789
# Used Cars for Sale Nationally:
170
Avg Mileage of Used Cars for Sale:
2,411
# Good or Great Deals:
38
5-year Depreciation
Depreciation $:
$22,360
Depreciation %:
51.6%
Resale Value $:
$20,980
Residual Value %:
48.4%
Typical Category Depreciation %:
(Luxury Compact Cars)
48.9%
Category Depreciation Range:
(Luxury Compact Cars)
33.5% - 53.5%
5-year Depreciation
Depreciation $:
$10,147
Depreciation %:
8.9%
Resale Value $:
$104,253
Residual Value %:
91.1%
Typical Category Depreciation %:
(Luxury Sports Cars)
30.2%
Category Depreciation Range:
(Luxury Sports Cars)
8.9% - 50.9%
Alfa Romeo Giulia Scores & Rankings
Overall Score:
6.7 / 10
Reliability:
6.0 / 10
Retained Value:
7.4 / 10
Safety:
Not available
Porsche 911 Scores & Rankings
Overall Score:
9.2 / 10
Reliability:
8.4 / 10
Retained Value:
10.0 / 10
Safety:
Not available
iSeeCars Reliability Insights for Alfa Romeo Giulia
Avg Life Expectancy (years):
11.7
Typical Category Life Expectancy:
(Luxury Compact Cars)
10.6
Category Life Expectancy Range:
(Luxury Compact Cars)
8.1 - 14.3
Chance of Reaching 200k Miles for a New Car:
0.3%
iSeeCars Reliability Insights for Porsche 911
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Sports Cars)
12.9
Category Life Expectancy Range:
(Luxury Sports Cars)
10.1 - 17.2
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.2
Typical Category Recalls:
(Luxury Compact Cars)
2.2
Category Range for Recalls:
(Luxury Compact Cars)
1.2 - 14.6
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
13.3
Typical Category Recalls:
(Luxury Sports Cars)
2.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 13.4
Alfa Romeo Giulia Rankings
Ranking
13 out of / 36Ranking
13 out of / 36Ranking
14 out of / 36Ranking
15 out of / 31Ranking
22 out of / 36Ranking
23 out of / 36Ranking
26 out of / 36Ranking
32 out of / 36Porsche 911 Rankings
Ranking
1 out of / 41Ranking
1 out of / 41Ranking
2 out of / 41Ranking
4 out of / 41Ranking
21 out of / 32Ranking
31 out of / 41Available Body Styles
Sedan
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Alfa Romeo Giulia Trim Levels
Competizione, Quadrifoglio, Quadrifoglio 100th Anniversary, Quadrifoglio Carbon, Sprint, Ti, Veloce
Porsche 911 Trim Levels
Not yet available
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
280 hp @ 5200 rpm
Torque:
306 foot-lbs @ 2000 rpm
Power-to-Weight Ratio (higher is better):
0.080 hp per pound
Base Drivetrain Specs
Horsepower:
379 hp @ 6500 rpm
Torque:
331 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.113 hp per pound
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
24 / 33 / 27
Range (city/hwy):
367 / 505 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Standard/Optional Features
Adaptive Cruise Control:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wireless Smartphone Charging:
Standard
Sunroof/Moonroof:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Standard/Optional Features
Adaptive Cruise Control:
Available
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wireless Smartphone Charging:
N/A
Sunroof/Moonroof:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Internet Radio:
Standard
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
Standard
Quad Seats:
N/A
Roadside assistance:
Standard
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
Standard
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
N/A
Forward Collision Warning:
Standard
Lane Departure Warning:
N/A
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
N/A
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
38.6 inches
Front Leg Room:
42.4 inches
Front Shoulder Room:
56.1 inches
Rear Head Room:
37.6 inches
Rear Leg Room:
35.1 inches
Rear Shoulder Room:
53.6 inches
Cargo Space:
13.4 cubic feet
Overall Interior Volume:
95.4 cubic feet
Interior Dimensions
Front Head Room:
Not yet available
Front Leg Room:
Not yet available
Front Shoulder Room:
Not yet available
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
4.6 cubic feet
Overall Interior Volume:
70.0 cubic feet
Exterior Dimensions
Curb Weight:
3522 lbs
Width:
79.7 inches
Height:
56.5 inches
Length:
182.8 inches
Wheelbase:
111 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3354 lbs
Width:
79.7 inches
Height:
51.1 inches
Length:
177.9 inches
Wheelbase:
96.5 inches
Ground Clearance:
4.7 inches
Standard Wheel/Tire Information
Wheel Size:
17.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
225/50R17
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
235/40ZR19
Exterior Colors
Black
Vulcano Black Metallic
Gray
Moonlight Grey Metallic / Vesuvio Gray Metallic
Red
Alfa Rosso
White
Alfa White / Milano White
Blue
Not available
Green
Not available
Silver
Not available
Yellow
Not available
Exterior Colors
Black
Black / Jet Black Metallic
Gray
Agate Grey Metallic / Arctic Grey / Chalk / Ice Grey Metallic
Red
Carmine Red / Guards Red / Ruby Star Neo
White
White
Blue
Gentian Blue Metallic / Shark Blue
Green
Aventurine Green Metallic
Silver
GT Silver Metallic
Yellow
Racing Yellow
Interior Colors
Black
Black
Beige
Not available
Blue
Not available
Brown
Not available
Gray
Not available
Red
Not available
Interior Colors
Black
Black / Black w/ Chalk Stitching / Black/Bordeaux Red / Black/Choice of Color / Black/Mojave Beige / Classic Black / Classic Black/Cognac
Beige
Black/Atacama Beige
Blue
Graphite Blue / Graphite Blue w/ Chalk Stitching / Graphite Blue/Choice of Color
Brown
Truffle Brown / Truffle Brown w/ Chalk Stitching
Gray
Slate Gray/Chalk / Slate Grey / Slate Grey w/ Chalk Stitching / Slate Grey/Choice of Color
Red
Bordeaux Red / Bordeaux Red w/ Chalk Stitching / Bordeaux Red/Choice of Color
