The Ward's Ten Best Engines for 2004 are:
Engine (and tested vehicle)
Audi AG 4. 2L DOHC V-8 (S4)
BMW AG 3. 2L DOHC I-6 (M3)
DaimlerChrysler AG 5. 7L Hemi Magnum OHV V-8 (Dodge Ram)
DaimlerChrysler AG 5. 9L Cummins 600 OHV I-6 turbodiesel (Dodge Ram Heavy Duty)
Fuji Heavy Industries Ltd. Subaru 2. 5L DOHC turbocharged H-4 (Subaru WRX STi)
General Motors Corp. Vortec 4. 2L DOHC I-6 (GMC Envoy)
Honda Motor Co. Ltd. 3L DOHC V-6 (Accord Coupe)
Mazda Motor Corp. 1. 3L Renesis rotary (RX-8)
Nissan Motor Co. Ltd. 3. 5L DOHC V-6 (Infiniti G35)
Toyota Motor Corp. 1. 5L DOHC I-4 Hybrid (Prius)
Engine (and tested vehicle)
Audi AG 4. 2L DOHC V-8 (S4)
BMW AG 3. 2L DOHC I-6 (M3)
DaimlerChrysler AG 5. 7L Hemi Magnum OHV V-8 (Dodge Ram)
DaimlerChrysler AG 5. 9L Cummins 600 OHV I-6 turbodiesel (Dodge Ram Heavy Duty)
Fuji Heavy Industries Ltd. Subaru 2. 5L DOHC turbocharged H-4 (Subaru WRX STi)
General Motors Corp. Vortec 4. 2L DOHC I-6 (GMC Envoy)
Honda Motor Co. Ltd. 3L DOHC V-6 (Accord Coupe)
Mazda Motor Corp. 1. 3L Renesis rotary (RX-8)
Nissan Motor Co. Ltd. 3. 5L DOHC V-6 (Infiniti G35)
Toyota Motor Corp. 1. 5L DOHC I-4 Hybrid (Prius)