Isuzu Ascender Info

Isuzu Ascender (2003–2008 U.S.)

5-passenger and 7-passenger (extended wheelbase) mid-size SUV.

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Tech specs

Item Specification
Engines 4.2 L I6 (LL8); 5.3 L V8
Transmission 4-speed automatic
Drive Rear-wheel drive or 4WD
Rear suspension Solid live axle

Dimensions

Item Figure
Overall length, 5-passenger 191.6 in (4,867 mm)
Width 76.1 in (1,933 mm)
Wheelbase, 5-passenger 113.0 in (2,870 mm)
Ground clearance (2006) 8.0 in (203 mm)
Approach / departure angle (2006) 34° / 29°
Turning circle (2006) 36.4 ft (11.1 m)

Dimensions drawing

2003–2008 Isuzu Ascender 5-passenger dimensions drawing
2003–2008 Isuzu Ascender 5-passenger dimensions drawing. Illustration, not to scale; tap to enlarge.

Fluid capacities

Capacities are approximate refill amounts from Isuzu factory service manual data for the year shown. Always fill to the level/check plug or dipstick, not just by volume.

System Capacity Notes
Engine oil, 4.2 L (with filter) 7.0 qt (6.6 L)
Cooling system 5-pass: 10.8 qt (10.2 L); 7-pass: 13.8 qt (13.1 L)
Automatic transmission Pan removal 5.0 qt (4.7 L); overhaul 11.0 qt (10.6 L)
Transfer case 2.0 qt (1.8 L)
Front differential (4WD) 1.7 pt (0.8 L)
Rear differential 3.6 pt (1.7 L)
A/C refrigerant (R-134a) 1.9 lb (0.85 kg); 2.65 lb with rear A/C

Torque specs

Safety first — verify with your service manual. These figures are transcribed from Isuzu factory service manual data for the model and year shown. Specs can change by year, engine and body style. Always confirm the figure in the service manual for your exact vehicle before final tightening, use a calibrated torque wrench, tighten wheel nuts in a star pattern and re-check them after the first 50 miles.
Fastener Torque
Oil pan drain plug (2006) 19 lb-ft (26 N·m)
Oil pan bolts, sides 18 lb-ft (25 N·m)
Oil pan bolts, ends 89 lb-in (10 N·m)
Oil pan nut 18 lb-ft (25 N·m)

Trims & body styles (U.S.)

Years Version Notes
2003–2008 Ascender 5-passenger and 7-passenger (extended wheelbase), 2WD / 4WD 4.2 L I6 or 5.3 L V8

Fuel economy (EPA)

U.S. EPA estimates in miles per gallon as currently published on fueleconomy.gov (older models are shown on the revised 2008 EPA method, so they read lower than the original window sticker). To convert: L/100 km = 235.2 ÷ mpg.

Model year EPA listing Engine Transmission Drive City Hwy Comb
2003 Ascender 4.2 L Auto 4-spd 2WD 14 19 16
2003 Ascender 4.2 L Auto 4-spd 4WD 13 19 15
2003 Ascender 5.3 L Auto 4-spd 2WD 14 18 15
2003 Ascender 5.3 L Auto 4-spd 4WD 13 16 14
2004 Ascender 4.2 L Auto 4-spd 2WD 13 18 15
2004 Ascender 4.2 L Auto 4-spd 4WD 14 19 16
2004 Ascender 5.3 L Auto 4-spd 2WD 14 18 16
2004 Ascender 5.3 L Auto 4-spd 4WD 13 17 14
2004 Ascender 5-passenger 4.2 L Auto 4-spd 2WD 14 19 16
2004–2005 Ascender 5-passenger 4.2 L Auto 4-spd 4WD 14 19 16
2005 Ascender 7-passenger 4.2 L Auto 4-spd 2WD 13 18 15
2005 Ascender 7-passenger 5.3 L Auto 4-spd 2WD 13 19 15
2005–2006 Ascender 7-passenger 4.2 L Auto 4-spd 4WD 14 19 16
2005–2006 Ascender 7-passenger 5.3 L Auto 4-spd 4WD 13 18 15
2005–2008 Ascender 5-passenger 4.2 L Auto 4-spd 2WD 14 20 16
2006 Ascender 7-passenger 4.2 L Auto 4-spd 2WD 14 19 15
2006 Ascender 7-passenger 5.3 L Auto 4-spd 2WD 14 19 16
2006–2009 Ascender 5-passenger 4.2 L Auto 4-spd 4WD 14 20 16
2007 Ascender 7-passenger 5.3 L Auto 4-spd 4WD 14 19 16

Factory colors & paint codes

Swatch colors are approximate screen representations. Always match paint by the color code on your vehicle’s paint label (usually on the driver door jamb or under the hood), not by the swatch. Availability varied by body style, trim and year (U.S. market). Two-tone swatches show the upper color over the lower color.

Arctic White
Code 50U · 03–08
Arctic White on Silver Sand metallic
Code 50US · 03
Two-tone: upper / lower
Arctic White on Gray metallic
Code 50UG · 04–08
Two-tone: upper / lower
Silver Sand metallic
Code 11U · 03
Silver Sand on Dark Bronzemist metallic
Code 11UB · 03
Two-tone: upper / lower
Mineral Silver metallic
Code 67U · 04–08
Mineral Silver on Gray metallic
Code 67UG · 04–08
Two-tone: upper / lower
Graphite Gray metallic
Code 62U · 06
Graphite Gray on Gray metallic
Code 62UG · 06
Two-tone: upper / lower
Storm Gray metallic
Code 54U · 07
Storm Gray on Gray metallic
Code 54UG · 07
Two-tone: upper / lower
Midnight metallic
Code 58U · 08
Midnight on Gray metallic
Code 58UG · 08
Two-tone: upper / lower
Onyx Black
Code 41U · 03–08
Onyx Black on Dark Bronzemist metallic
Code 41UB · 03
Two-tone: upper / lower
Onyx Black on Gray metallic
Code 41UG · 04–08
Two-tone: upper / lower
Natural Suede metallic
Code 15U · 04–07
Natural Suede on Dark Bronzemist metallic
Code 15UB · 04–07
Two-tone: upper / lower
Flint Gray metallic
Code 16U · 08
Napa Red metallic
Code 44U · 04–05
Napa Red on Gray metallic
Code 44UG · 04–05
Two-tone: upper / lower
Currant Red metallic
Code 49U · 06–07
Currant Red on Dark Bronzemist metallic
Code 49UB · 06–07
Two-tone: upper / lower
Black Garnet metallic
Code 12U · 08
Black Garnet on Gray metallic
Code 12UG · 08
Two-tone: upper / lower
Sage Green on Silver Sand metallic
Code 92US · 03
Two-tone: upper / lower
Timberline Green metallic
Code 47U · 03–04
Timberline Green on Silver Sand metallic
Code 47US · 03
Two-tone: upper / lower
Timberline Green on Dark Bronzemist
Code 47UB · 04
Two-tone: upper / lower
Tamarack Green metallic
Code 38U · 05–06
Tamarack Green on Dark Bronzemist
Code 38UB · 05–06
Two-tone: upper / lower
Nordic Blue metallic
Code 39U · 03–04
Nordic Blue on Dark Bronzemist metallic
Code 39UB · 03
Two-tone: upper / lower
Nordic Blue on Gray metallic
Code 39UG · 04
Two-tone: upper / lower
Adriatic Blue metallic
Code 22U · 05–06
Adriatic Blue on Gray metallic
Code 22UG · 05–06
Two-tone: upper / lower
Bering Blue metallic
Code 37U · 07–08
Bering Blue on Gray metallic
Code 37UG · 07–08
Two-tone: upper / lower

Factory brochures

Original U.S.-market Isuzu sales brochure pages, shown for reference. Tap any page to enlarge. Specs and colors in brochures were subject to change during the model year.

2003 Isuzu factory sales brochure, cover
2003 · cover
2005 Isuzu factory sales brochure, cover
2005 · cover
2005 Isuzu factory sales brochure, specifications / colors page
2005 · specifications / colors page
2005 Isuzu factory sales brochure, specifications / colors page
2005 · specifications / colors page

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