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The following information is for the 1991 Isuzu Impulse RS Model

Acceleration and Handling

0-30 mph xx sec
0-60 mph xx sec
50-70 mph xx sec
Double-lane change xx mph
Slalom xx mph
Road-Holding .84g


60-0 mph cold xx ft.
60-0 mph warm xx ft.
60-0 mph hot xx ft.

Interior Noise

Idle 49 dba
60 mph 70 dba
0-60 mph 81 dba

EPA Milage (City/Highway)

Manual 22/28 mpg
Automatic -/- mpg

Range in Miles (City/Highway)

Manual 272.8/347.2 miles
Automatic -/- miles

Other Info

Drag Coefficient (.31)
Wheel Base 96.5 in.
Interior Volume 89.4 Cubic Feet
Car Gross Weight 2732 lbs.
Factory Colors Brilliant Red Pearl Metallic, Colorado Red, Ebony Black, Flame Red, Iron Gray Metallic, Pure White, Steel Blue Metallic
Fuel Tank Capacity 12.4 gal.


1.6 liter 4XE1-T 1588cc (98 DOHC 16 Valve
Water-cooled turbocharger with air-to-air intercooler
Bore x Stroke 3.15 in x 3.11 in / 80.0 mm x 79.0 mm
Power 160hp@6,600rpm
Torque 150lb.@4,800rpm
Compression Ratio 8.5:1


Gear Ratios First 3.909:1 Second 2.150:1
Third 1.448:1 Fourth 1.027:1
Fifth 0.829:1
Final Drive Ratio 4.117:1


Front Brakes Vented discs, 9.7 in
Rear Brakes Discs, 10.1 in
Steering Gear Rack-and-Pinion, power assist
Rear Suspension Struts, twin lateral links, trailing links, coil springs, anti-roll bar
Front Suspension MacPherson struts, lower control arms, coil springs, anti-rollbar
Turning Circle 34.2



Length 166.1 in / 4219 mm.
Width 66.7 in / 1694 mm.
Height 51.1 in / 1298 mm.


Front Head Room 37.5 in.
Front Hip Room 50.9 in.
Front Shoulder Room 53.3 in.
Rear Head Room 31.9 in.
Rear Shoulder Room 51.2 in.
Rear Hip Room 42.7 in.
Front Leg Room 43.8 in.
Rear Leg Room 30.4 in.
Luggage Capacity 11 cu. ft.
Maximum Seating 4

This information has been collected from various locations on the Internet, so there are bound to be some errors. Email Me with any corrections!

Geo Storm isuzu impulse performance parts