KitchenAid KES6403 vs KitchenAid Metal KES6503

KitchenAid KES6403 espresso machine

KitchenAid

KitchenAid KES6403

$450

4.7★ (98)

vs
KitchenAid Metal KES6503 espresso machine

KitchenAid

KitchenAid Metal KES6503

$500

4.5★ (300)

Quick take: The KitchenAid KES6403 costs $50 less; the KitchenAid Metal KES6503 heats up faster (40 seconds).

SpecKitchenAid KES6403KitchenAid Metal KES6503
Price$450$500
Rating4.7★ (98)4.5★ (300)
TypeSemi-AutomaticSemi-Automatic
BoilerThermoblockThermoblock
Built-in grinderNoNo
Pump pressure15 bar15 bar
Water capacity47 oz47 oz
Warm-up time45 seconds40 seconds
Steam wandManualManual
Basket typePressurized & UnpressurizedPressurized & Unpressurized
Best forSlim-Counter EspressoDesign-First Kitchens
Dimensions6.4 x 13.1 x 11.3 in6.4 x 13.1 x 11.3 in
Weight14 lbs15.5 lbs
Warranty2 years2 years

Pros & cons

KitchenAid KES6403

  • Full 58mm commercial portafilter - rare under $500 and unheard of this compact
  • Dual temperature sensors keep brew water stable shot after shot
  • Thermocoil heats to brewing temp in under 45 seconds
  • 4.7 stars at Best Buy with four baskets and a tamper in the box
  • No built-in grinder, and a 58mm dose really demands a good burr grinder
  • Single thermoblock means waiting between pulling shots and steaming milk
  • Basic steam wand is workable but slow next to Breville's at this price
  • List price feels high when street prices regularly dip near $330

KitchenAid Metal KES6503

  • Die-cast metal body in classic KitchenAid colors like Empire Red matches your stand mixer
  • Dual smart temperature sensors and pre-infusion deliver stable, crema-rich shots
  • 58mm commercial portafilter and thermocoil ready in about 40 seconds
  • Milk pitcher, tamper, and four baskets included - nothing extra to buy except a grinder
  • Steaming milk is loud enough that reviewers call it out consistently
  • No grinder built in, so budget another $100+ for burrs that match the 58mm basket
  • Single thermoblock can't brew and steam simultaneously
  • Only $50 less than grinder-equipped rivals like Ninja's Luxe Café line