The 2003 Toyota Sienna has a V6 engine.
The 2003 Toyota 4Runner has a V6 engine.
The 2003 Toyota Sequoia has a V8 engine.
The 2003 Toyota Tundra has a V6 engine.
The 2003 Toyota Avalon has a V6 engine.
The 2003 Toyota Corolla has a 1.8 L base engine size.
The 2003 Toyota Prius has a 1.5 L base engine size.
The 2003 Toyota Highlander has a 2.4 L base engine size.
The 2003 Toyota Avalon has a 3.0 L base engine size.
The 2003 Toyota Sienna has a 3.0 L base engine size.
The 2003 Toyota Camry has a 2.4 L base engine size.
The 2003 Toyota Sequoia has a 4.7 L base engine size.