ссылка
Кратко:
Через меню Steam (Вкладка Мои игры) выбираем игру => ПКМ => Свойства/Параметры => находим кнопку "set launch options" (Установить параметры запуска), в строке прописываем необходимые параметры

Минимальные:
• ОС: Win XP SP3, Vista, Win 7
• ЦПУ: Intel Core 2 Dou или эквивалент AMD
• ОЗУ: 2ГБ
• НЖМД: 25ГБ
• ГПУ: GeForce 8800, Radeon HD 4200

Рекомендуемые:
• ОС: Win XP SP3, Vista, Win 7
• ЦПУ: Intel Core 2 Quad или эквивалент AMD
• ОЗУ: 4ГБ
• НЖМД: 25ГБ
• ГПУ: GeForce 9800 GTX, ATI Radeon HD 5550

1. Создаем ярлык от Rage.exe(тот который на рабочем столе запускает Launcher.exe )и пишем параметры в графе "Объект" в конце строки после пробела:
+cvaradd g_fov 12 +com_allowconsole 1 +com_skipIntroVideo 1 +image_anisotropy 16 +image_usecompression 0 +g_showplayershadow 1 +m_smooth 0

2. Создаем файл rageconfig.cfg в Rage/base/ и пишем, сохраняя:

vt_pageimagesizeuniquediffuseonly2 8192
vt_pageimagesizeuniquediffuseonly 8192
vt_pageimagesizeunique 8192
vt_pageimagesizevmtr 8192

3. Идем в C:\Users\UserName\AppData\Local\ и создаем папку "id software". В этой папке создаем папку "rage". Без кавычек.

Также можно попробовать
Заменить в файле default.cfg (...\Rage\base\default.cfg) верхние строчки следующими:
Код:
in_joystick 0
vehicle_stickControl 0
seta vt_pageimagesizeuniquediffuseonly2 "8192"
seta vt_pageimagesizeuniquediffuseonly "8192"
seta vt_pageimagesizeunique "8192"
seta vt_pageimagesizevmtr "8192"

4. Добавить к Steam launh options
+vt_maxPPF 16
либо
+vt_maxPPF 8

tnx to D@NTE ALIGHIeRI

К steam launch options добавить +set com_allowconsole 1, далее с помощью клавиши [`]
Команды listcvars и listcmds позволят увидеть перечень доступных настроек.

Либо через cfg файл
C:\Program Files (x86)\Steam\steamapps\common\rage\base\default.cfg

после unbindall добавьте:
com_allowConsole 1
Теперь консоль можно открыть с момощью [`]

Либо с помощью консоли, либо путем редактирования cfg файла

Открыть консоль => команда cvaradd g_fov 10 - где 10 является по дефолту 80, далее, уменьшаем/увеличиваем по своему усмотрению

[spoiler=Как отключить проигрывание роликов]
Добавьте к steam launch options +set com_skipIntroVideo 1

К Steam launch options добавьте +r_swapInterval 1
либо включить "принудительно" в панели управления вашей видеокартой

ATI (Catalyst Control Center => 3D => All Settings => Wait For Vertical Refresh)
Nvidia (Nvidia Control Panel => 3D Settings => Manage 3D Settings => Vertical Sync (off/on))

В некоторых случаях проблему решает отключение тройной буферизации (Triple Buffering), которую можно отключить через Catalyst Control Center.
Либо установить официальный hot fix Rage performance drivers

Создайте файл rageconfig.cfg в папке Base, выделяем и копируем только то, что относится к вашей системе High-end, Mid-end etc..
High-end systems:

seta com_videoRam "1024" //sets the Video Card memory Set this to the amount you have in MB
seta com_maxfps "60" //limits the frames to 60 can be changed to what you desire
seta g_fov "96" //PC FOV depends on Aspect Ratio settings and is 80-100 for PC console is 65-70
seta ui_fov "96" //UI FOV depends on Aspect Ratio settings
seta image_anisotropy "16" //Using the highest setting here but you can set as 2, 4 or 8
seta image_usecompression 0
seta image_filter "GL_LINEAR_MIPMAP_LINEAR" //filtering for light maps
seta image_preload "1" //Use preload images when ever possible
seta image_lodbias "-1" //LoD settings
seta image_ignoreHighQuality "0" //Sets up for using HQ gfx
seta image_ignoreLowQuality "1" //ignores the low textures
seta image_useCache "1" //Enabled Cache to allow the textures to load properly without popping
seta image_cacheMegs "125" //Cache size in Megabytes
seta image_cacheMinK "50" //Cache minimum size in kilobytes
seta r_aspectRatio "2" // 0=4:3, 1=16:9, 2=16:10, 3=5:4 TFT, -1 custom
seta r_fullscreen "1"
//seta r_customAspectRatioV "10"
//seta r_customAspectRatioH "16"
seta r_swapInterval 1 //VSYNC 1 enabled, 0 diabled
seta r_useHighQualityPostProcess "1" //Fore High Quality post proccessing
seta r_shadowsHighQuality "1" //Fore High Quality shadows
seta r_displayRefresh "0" //keep it so the engine doesn't double render a frame
seta r_renderer "best" //highest rendering options
seta r_multiSamples "32" //Set this to 16 or 8 if you're having low-fps as 32 is the Max Multi-sampling
seta r_useHBAO "1" //Ambient occlusion
seta r_useRenderThread "0" // 0 Disable or 1 Enable threaded rendering useful for newer cards to increase performance.
seta r_visDistMult "1"
seta r_useMotionBlur "1" //use blur
seta r_skipBump "0"
seta r_skipSpecular "0"
seta r_skipNewAmbient "0"
seta r_shadows "1"
seta r_cgFragmentProfile "best"
seta r_cgVertexProfile "best"
seta vt_lodBias "-1" //LoD settings
//below is cache settings
seta vt_pageimagesizeuniquediffuseonly2 "8192"
seta vt_pageimagesizeuniquediffuseonly "8192"
seta vt_pageimagesizeunique "8192"
seta vt_pageimagesizevmtr "8192"

Mid-end systems:

seta com_videoRam "1024" //sets the Video Card memory Set this to the amount you have in MB
seta com_maxfps "60" //limits the frames to 60 can be changed to what you desire
seta g_fov "96" //PC FOV depends on Aspect Ratio settings and is 80-100 for PC console is 65-70
seta ui_fov "96" //UI FOV depends on Aspect Ratio settings
seta image_anisotropy "8" //Using the highest setting here but you can set as 2, 4 or 8
seta image_usecompression 0
seta image_filter "GL_LINEAR_MIPMAP_LINEAR" //filtering for light maps
seta image_preload "1" //Use preload images when ever possible
seta image_lodbias "-1" //LoD settings
seta image_ignoreHighQuality "0" //Sets up for using HQ gfx
seta image_ignoreLowQuality "1" //ignores the low textures
seta image_useCache "1" //Enabled Cache to allow the textures to load properly without popping
seta image_cacheMegs "125" //Cache size in Megabytes
seta image_cacheMinK "50" //Cache minimum size in kilobytes
seta r_swapInterval 1 //VSYNC 1 enabled, 0 diabled
seta r_aspectRatio "2" // 0=4:3, 1=16:9, 2=16:10, 3=5:4 TFT, -1 custom
seta r_fullscreen "1"
//seta r_customAspectRatioV "10"
//seta r_customAspectRatioH "16"
seta r_useHighQualityPostProcess "1" //Fore High Quality post proccessing
seta r_shadowsHighQuality "1" //Fore High Quality shadows
seta r_displayRefresh "0" //keep it so the engine doesn't double render a frame
seta r_renderer "best" //highest rendering options
seta r_multiSamples "16" //Set this to 16 or 8 if you're having low-fps as 32 is the Max Multi-sampling
seta r_useHBAO "1" //Ambient occlusion
seta r_useRenderThread "0" // 0 Disable or 1 Enable threaded rendering useful for newer cards to increase performance.
seta r_visDistMult "1"
seta r_useMotionBlur "1" //use blur
seta r_skipBump "0"
seta r_skipSpecular "0"
seta r_skipNewAmbient "0"
seta r_shadows "1"
seta r_cgFragmentProfile "best"
seta r_cgVertexProfile "best"
seta vt_lodBias "-1" //LoD settings
//below is cache settings
seta vt_pageimagesizeuniquediffuseonly2 "8192"
seta vt_pageimagesizeuniquediffuseonly "8192"
seta vt_pageimagesizeunique "8192"
seta vt_pageimagesizevmtr "8192"

Low-end systems:

seta com_videoRam "1024" //sets the Video Card memory Set this to the amount you have in MB
seta com_maxfps "60" //limits the frames to 60 can be changed to what you desire
seta g_fov "96" //PC FOV depends on Aspect Ratio settings and is 80-100 for PC console is 65-70
seta ui_fov "96" //UI FOV depends on Aspect Ratio settings
seta image_anisotropy "2" //Using the highest setting here but you can set as 2, 4 or 8
seta image_usecompression 0
seta image_filter "GL_LINEAR_MIPMAP_LINEAR" //filtering for light maps
seta image_preload "1" //Use preload images when ever possible
seta image_lodbias "-1" //LoD settings
seta image_ignoreHighQuality "1" //Sets up for using HQ gfx
seta image_ignoreLowQuality "0" //ignores the low textures
seta image_useCache "1" //Enabled Cache to allow the textures to load properly without popping
seta image_cacheMegs "125" //Cache size in Megabytes
seta image_cacheMinK "50" //Cache minimum size in kilobytes
seta r_aspectRatio "2" // 0=4:3, 1=16:9, 2=16:10, 3=5:4 TFT, -1 custom
seta r_fullscreen "1"
//seta r_customAspectRatioV "10"
//seta r_customAspectRatioH "16"
seta r_swapInterval 1 //VSYNC 1 enabled, 0 diabled
seta r_useHighQualityPostProcess "1" //Fore High Quality post proccessing
seta r_shadowsHighQuality "0" //Fore High Quality shadows
seta r_displayRefresh "0" //keep it so the engine doesn't double render a frame
seta r_renderer "best" //highest rendering options
seta r_multiSamples "8" //Set this to 16 or 8 if you're having low-fps as 32 is the Max Multi-sampling
seta r_useHBAO "0" //Ambient occlusion
seta r_useRenderThread "0" // 0 Disable or 1 Enable threaded rendering useful for newer cards to increase performance.
seta r_visDistMult "1"
seta r_useMotionBlur "0" //use blur
seta r_skipBump "0"
seta r_skipSpecular "0"
seta r_skipNewAmbient "0"
seta r_shadows "0"
seta r_cgFragmentProfile "best"
seta r_cgVertexProfile "best"
seta vt_lodBias "-1" //LoD settings
//below is cache settings
seta vt_pageimagesizeuniquediffuseonly2 "8192"
seta vt_pageimagesizeuniquediffuseonly "8192"
seta vt_pageimagesizeunique "8192"
seta vt_pageimagesizevmtr "8192"

Thx to D@NTE ALIGHIeRI

Как вариант, отключить Catalyst AI в панели управления видеокартой (Catalyst Control Center)