From the creators Bike Cyclocomputer HUD (featured by Apple as ‘New and Noteworthy’) comes GT Car HUD.
Automatic and Manual navigation modes

GT Car HUD is the best solution for getting info of your car. This app gives you all the data you need to know exactly how you are driving.

GT Car HUD gives you a plethora of high precision instruments, especially designed for getting the most of your car: Compass, Elapsed Time, Distance, Analog Clock, Digital Clock, Pace, Speed, Average Speed, Inclination, Lattitude, Longitude, Altimeter, Course, and GPS Signal power in a simple and beauty app that will be the perfect companion for you.

Those instruments have been callibrated specially for using with cars so that you never miss again any valuable information.

MAIN FEATURES:

Ultra high precision instrumets
Callibration made for bikes and motorcycles
60 frames per second animation
Accurate calculations
Automatic zoom enabled map. It keeps you always centered on the map

TECHNICAL FEATURES

High precision GPS
Nice Start/Stop sounds
Beauty Retina Display graphics
Autozoom
English and Metric units settings
Multitasking ON/OFF setting to save battery

INSTRUMENTS

Compass
Elapsed Time
Distance
Analog Clock
Digital Clock
Pace
Speed
Average Speed
Inclination
Lattitude
Longitude
Altimeter
Course
GPS Signal power

This app is compatible with navigators like TomTom, Sygic, CoPilot, etc. To make that just start any of those great apps, then press home key on the iPhone and start GT Car HUD. If the navigator app supports multitasking and voice instructions, you can hear voice while using our app.

PLEASE NOTE: For using this app, you must have a GPS and compass equipped device, such as an iPhone 3GS or an iPhone 4. This application is NOT RECOMMENDED FOR IPOD TOUCH, NON-3G IPAD OR 1ST GENERATION IPHONE devices due to their limited hardware capabilities.

NOTICE: Continued use of GPS running in the background can dramatically decrease battery life.