Mostamong
1997–2004 Buick Regal GS North America (F69 WD5) '1997–2004
fuel consumption in combined cycle
![1997–2004 Buick Regal GS [North America] (F69 WD5) '1997–2004](https://s3.wheelsage.org/format/picture/picture-thumb-medium/b/buick/regal_gs/buick_regal_gs_23.avif "1997–2004 Buick Regal GS [North America] (F69 WD5) '1997–2004")
![1997–2004 Buick Regal GS [North America] (F69 WD5) '1997–2004](https://s3.wheelsage.org/format/picture/picture-thumb-medium/b/buick/regal_gs/buick_regal_gs_61_00000000097606c8.avif "1997–2004 Buick Regal GS [North America] (F69 WD5) '1997–2004")
![Interior 1997–2004 Buick Regal GS [North America] (F69 WD5) '1997–2004](https://s3.wheelsage.org/format/picture/picture-thumb-medium/b/buick/regal_gs/buick_regal_gs_55_00000000091506c8.avif "Interior 1997–2004 Buick Regal GS [North America] (F69 WD5) '1997–2004")
10.2l/100km
2000–05 Buick LeSabre '1999–2005
9.8l/100km
1997–2004 Buick Regal LS North America (B69 WF5) '1997–2004
![1997–2004 Buick Regal LS [North America] (B69 WF5) '1997–2004](https://s3.wheelsage.org/format/picture/picture-thumb-medium/b/buick/regal_ls/buick_regal_ls_47_00b700e009e406f2.avif "1997–2004 Buick Regal LS [North America] (B69 WF5) '1997–2004")
![1997–2004 Buick Regal LS [North America] (B69 WF5) '1997–2004](https://s3.wheelsage.org/format/picture/picture-thumb-medium/b/buick/regal_ls/buick_regal_ls_24.avif "1997–2004 Buick Regal LS [North America] (B69 WF5) '1997–2004")
![1997–2004 Buick Regal LS [North America] (B69 WF5) '1997–2004](https://s3.wheelsage.org/format/picture/picture-thumb-medium/b/buick/regal_ls/buick_regal_ls_00000000090806c8.avif "1997–2004 Buick Regal LS [North America] (B69 WF5) '1997–2004")
9.8l/100km
WheelsAge.org '2005–pr.