Toyota Prius (XW20)
| Toyota Prius (XW20) | |
|---|---|
 |
|
| Overview | |
| Production | 2003–2009 (North America, Japan) 2004–present (China, Europe) |
| Model years | 2004–2009 |
| Assembly | Tsutsumi, Japan (Toyota City) Kariya, Aichi, Japan (Fujimatsu) Changchun, Jilin, China (Chinese domestic market only) |
| Designer | Hiroshi Okamoto (2001) |
| Body and chassis | |
| Class | Mid-size car |
| Body style | 5-door liftback |
| Layout | Transverse front-engine, front-wheel-drive |
| Platform | Toyota MC platform |
| Powertrain | |
| Engine |
Toyota Hybrid System II Gasoline: 1.5 L 1NZ-FXE DOHC I4 VVT-i 57 kW (76 hp) @ 5000 rpm 115 N·m (85 lb·ft) @ 4200 rpm Electric: 500 V 50 kW (67 hp) @ 1200 rpm 400 N·m (295 lb·ft) @ 0 rpm AT-PZEV Hybrid system net horsepower: 110 hp (82 kW) |
| Transmission | 1-speed planetary gear |
| Dimensions | |
| Wheelbase | 2,700 mm (106.3 in) |
| Length | 4,450 mm (175.2 in) |
| Width | 1,725 mm (67.9 in) |
| Height | 1,490 mm (58.7 in) |
| Curb weight | 1,317 kg (2,903 lb) |
| Chronology | |
| Predecessor | Toyota Prius (XW10) |
| Successor | Toyota Prius (XW30) |
The Toyota Prius is a full series-parallel hybrid electric mid-size car developed and manufactured by the Toyota Motor Corporation. The second generation Prius had been completely redesigned as a mid-size hatchback. The XW20 series represented the second generation of the Toyota Prius, replacing its XW10 predecessor. The United States Environmental Protection Agency (EPA) and California Air Resources Board (CARB) also rate the Prius as among the cleanest vehicles sold in the United States based on smog forming and toxic emissions in 2008. Toyota sold about 1,192,000 of the second generation Prius worldwide.
In 1999, Toyota began development on a second generation Prius under chief engineer Shigeyuki Hori. In 2001, Hiroshi Okamoto's exterior design was approved and frozen for production. In 2003, the Prius was completely redesigned as a mid-size liftback, sized between the Corolla and the Camry, with redistributed mechanical and interior space significantly increasing rear-seat legroom and luggage room. The 2004 Prius is even more environmentally-friendly than the 1997–2003 model (according to the EPA), and is 6 inches (150 mm) longer than the previous version. Its more aerodynamic Kammback body balances length and wind resistance resulting in a drag coefficient ( Cd) of 0.26. Chief engineer Shigeyuki Hori's development effort, led to 530 patents for the vehicle.
The Prius uses an all-electric A/C compressor for cooling, an industry first, and also adds an electric power steering system to further minimize engine belt-driven engine accessories. Combined with a smaller and lighter NiMH battery, the XW20 is more powerful and more efficient than the XW11. In the U.S., the battery pack of the 2004 Prius is warranted for 100,000 miles (160,000 km) or 8 years. The warranty for hybrid components in California and the seven Northeastern states that have adopted the stricter California emission control standards is 150,000 miles (240,000 km) or 10 years.
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