|
|
| Model
Lineup |
Engine
|
Transmission
|
|
Vortec
4800
4.8L V8
|
Vortec 5300
5.3L V8
|
Vortec 6000
6.0L V8
|
Vortec
8100
8.1L V8
|
4-spd auto
(Hydra-Matic
4L60-E)
|
4-spd auto
(Hydra-Matic 4L80-E)
|
4-spd auto*
(Hydra-Matic
4L85-E)
|
|
Yukon 2WD / 4WD
|
Standard
|
Optional
|
-
|
-
|
Standard
|
-
|
-
|
|
Yukon XL 1500 2WD / 4WD
|
-
|
Standard
|
-
|
-
|
Standard
|
-
|
-
|
| Yukon XL 2500 2WD / 4WD |
-
|
-
|
Standard
|
Optional
|
-
|
Standard
|
Optional
|
| * 4L85-E
transmission is standard with the optional Vortec 8100
V8 engine. |
| Engine |
Vortec
4800 (LR4)
|
Vortec
5300 (L59)
|
Vortec
6000 (LQ4)
|
Vortec
8100 (L18)
|
| Type |
4.8-liter V8
|
5.3-liter V8
|
6.0-liter V8
|
8.1-liter V8
|
Displacement
(cu in / cc) |
294 / 4807
|
327 / 5328
|
364 / 5967
|
496 / 8128
|
| Bore & stroke (in / mm) |
3.78 x 3.27 /
96 x 83
|
3.78 x 3.62 /
96 x 92
|
4.00 x 3.62 /
101.6 x 92
|
4.25 x 4.37 /
107.95 x 111
|
| Block material |
cast iron
|
cast iron
|
cast iron
|
cast iron
|
| Cylinder head material |
cast aluminum
|
cast aluminum
|
cast aluminum
|
cast iron
|
| Valvetrain |
OHV, 2 valves per cylinder
|
OHV, 2 valves per cylinder
|
OHV, 2 valves per cylinder
|
OHV, 2 valves per cylinder
|
| Ignition system |
composite distributor, platinum-tipped
spark plugs, low-resistance spark plug wires
|
coil near plug composite distributor,
platinum-tipped spark plugs, low-resistance spark
plug wires
|
coil near plug composite distributor,
platinum-tipped spark plugs, low-resistance spark
plug wires
|
coil near plug, platinum-tipped
spark plugs
|
| Fuel delivery |
sequential fuel injection
|
sequential fuel injection
|
sequential fuel injection
|
sequential fuel injection
|
| Compression ratio |
9.5:1
|
9.5:1
|
9.4:1
|
9.1:1
|
Horsepower
(hp / kw @ rpm) |
275 / 205.2
@ 5200
|
285 / 212.6
@ 5200
|
320 / 238.7
@ 5000
|
340 / 253.6
@ 4200
|
Torque
(lb-ft / Nm @ rpm) |
290 / 393
@ 4000
|
325 / 441
@ 4000
|
360 / 488
@ 4000
|
455 / 617
@ 3200
|
| Recommended unleaded fuel |
87 octane
|
ethanol-capable flex fuel
|
87 octane
|
87 octane
|
Maximum engine
speed (rpm) |
6000
|
5900
|
5600
|
5000
|
| Emissions controls |
three-way catalytic converter, exhaust
gas recirculation, positive crankcase ventilation,
evaporative collection system
|
three-way catalytic converter, exhaust
gas recirculation, positive crankcase ventilation,
evaporative collection system
|
three-way catalytic converter, exhaust
gas recirculation, positive crankcase ventilation,
evaporative collection system
|
exhaust gas recirculation, Air Injection
Reaction (available)
|
|
Estimated fuel economy (mpg city /
hwy / combined)
|
| C1500 Yukon (2WD) |
15 / 20 / 17
|
14 / 18 / 16
|
N/A
|
N/A
|
| C1500 Yukon XL (2WD) |
N/A
|
14 / 18 / 16
|
N/A
|
N/A
|
| K1500 Yukon (4WD) |
14 / 18 / 16
|
14 / 17 / 15
|
N/A
|
N/A
|
| K1500 Yukon XL (4WD) |
N/A
|
14 / 16 / 15
|
N/A
|
N/A
|
| Transmission |
Hydra-Matic
4L60-E
|
Hydra-Matic
4L80-E
|
Hydra-Matic
4L85-E
|
|
Type
|
4-speed electronic
automatic
|
4-speed electronic
automatic
|
4-speed electronic
automatic
|
|
Gear ratios (:1):
|
|
1st
|
3.06
|
2.48
|
2.48
|
|
2nd
|
1.63
|
1.48
|
1.48
|
|
3rd
|
1.00
|
1.00
|
1.00
|
|
4th
|
0.70
|
0.75
|
0.75
|
|
Reverse
|
2.29
|
2.08
|
2.08
|
|
Final drive ratio
|
Yukon (optional): 3.42:1 - 4.10:1
|
|
Yukon XL (optional): 3.73:1 - 4.10:1
|
| Chassis / Suspension |
Yukon
|
Yukon XL
|
| Front |
independent with torsion bars
|
independent with torsion bars
|
| Rear |
5-link coil spring w/automatic load
leveling
|
1/2-ton: 5-link coil spring
|
|
3/4-ton: two-stage, semi-elliptic,
multileaf springs and semifloating rear axle
|
| Traction control |
full-function standard; Precision
Control System
|
full-function standard; Precision
Control System
|
| Steering type |
2WD: power integral gear 1/2-ton
|
2WD: power integral gear
1/2-ton
|
|
4WD: power integral gear w/EVO variable
assist
|
4WD: power integral gear w/EVO variable
assist
|
|
3/4-ton 2WD/4WD: power integral
gear
|
| Steering ratio |
14:1 gear; 15.8:1 overall
|
14:1 gear; 15.8:1 overall
|
|
3/4-ton: 15 / 13:1 variable ratio
gear; 16.2:1 overall
|
Steering wheel turns,
lock-to-lock |
3.2
|
3.2
|
Turning circle,
curb-to-curb (ft / m) |
38.3 / 11.7
|
1/2-ton: 43 / 13.1
|
|
3/4-ton, 2WD: 44.3 / 13.5
|
|
3/4-ton, 4WD: 44.3 / 13.5
|
| Brakes |
Yukon
|
Yukon XL
|
| Type |
four-wheel disc, four-wheel ABS,
dual piston calipers with Dynamic Rear Proportioning
|
four-wheel disc, four-wheel ABS,
dual piston calipers with Dynamic Rear Proportioning
|
|
Rotor diameter x thickness (in / mm)
|
front: 12.01 x 1.14 / 305 x 29
|
front: 1/2-ton: 12.01x1.14/305x29
3/4-ton: 12.80 x 1.50 / 325 x 38
|
|
rear: 13.0 x 1.18 / 330 x 30
|
rear: 1/2-ton: 223.5 / 1440
3/4-ton: 223.5 / 1440
|
|
Total swept area
(sq in / sq cm)
|
front: 213.6 / 1378
|
front: 1/2-ton: 213.6 / 1378
3/4-ton: 245.5 / 1584
|
|
rear: 223.5 / 1440
|
rear: 1/2-ton: 223.5 / 1440
3/4-ton: 223.5 / 1440
|
| Wheels / Tires |
2003 GMC
Yukon
|
|
Wheel size & type
|
1/2-ton: 16-inch x 7-inch cast aluminum
|
|
3/4-ton: 16-inch x 6.5-inch forged
cast aluminum
|
|
Tires
|
1/2-ton: P265/70R16 all-season, steel-belted
radials
|
|
1/2-ton (optional): P245/75R16 all-season,
steel-belted radials
|
|
3/4-ton: LT245/75R16 all season,
steel-belted radials
|
| Exterior Dimensions |
Yukon
|
Yukon XL
|
| Wheelbase (in / mm) |
116 / 2946
|
130 / 3302
|
| Overall length (in / mm) |
198.8 / 5050
|
219.3 / 5570
|
| Overall width (in / mm) |
78.8 / 2002
|
1/2-ton: 78.9 / 2004
|
|
3/4-ton: 79.8 / 2027
|
| Overall height with luggage
rack: (in / mm): |
1/2-ton, 2WD: 73.6 / 1870
|
1/2-ton, 2WD: 73.6 / 1870
|
|
1/2-ton, 4WD: 75.7 / 1923
|
|
1/2-ton, 4WD: 75.7 / 1923
|
|
3/4-ton, 2WD: 76.4 / 1950
|
|
3/4-ton, 4WD: 76.5 / 1941
|
| Track (in / mm) |
front: 65 / 1651
|
front: 65 / 1651
|
|
rear: 66 / 1676
|
rear: 66 / 1676
|
Min. ground clearance
(in / mm) |
8.4 / 213.4
|
1/2-ton: 8.4 / 213
|
|
3/4-ton: 7.1 / 180
|
Ground to top of rear
load floor (in / mm) |
2WD: 29.3 / 744
|
1/2-ton, 2WD: 29.3 / 744
|
|
1/2-ton, 4WD: 30.6 / 777
|
|
4WD: 30.6 / 777
|
3/4-ton, 2WD: 32.6 / 828
|
|
3/4-ton, 4WD: 31.8 / 808
|
| Approach angle |
22°
|
23-25°
|
| Departure angle |
15°
|
20-22°
|
| Curb weight (lbs / kg) |
2WD: 4828 / 2190
|
1/2-ton, 2WD: 4914 / 2229
|
|
1/2-ton, 4WD: 5123 / 2323
|
|
4WD: 5050 / 2290
|
3/4-ton, 2WD: 5447 / 2470
|
|
3/4-ton, 4WD: 5760 / 2612
|
| Weight distribution (% front
/ rear) |
2WD: 52/48 1/2-ton
|
2WD: 52 / 48
|
|
1/2-ton, 4WD: 54 / 46
|
|
4WD: 54 / 46
|
3/4-ton, 2WD: 51/49
|
|
3/4-ton, 4WD: 53 / 47
|
| Interior
Dimensions |
Front Row
|
Second
Row
|
Third Row
|
Seating capacity,
7 to 9 total |
Yukon |
3 or 2
|
3
|
3
|
| Yukon XL |
3 or 2
|
3 or 2
|
3
|
Head room
(in / mm) |
Yukon |
40.7 / 1034
|
39.9 / 991
|
38.6 / 980
|
| Yukon XL |
40.7 / 1034
|
39.9 / 991
|
38.6 / 980
|
| Leg room (in / mm) |
Yukon |
41.3 / 1049
|
39.1 / 994
|
36.1 / 917
|
| Yukon XL |
41.3 / 1049
|
39.1 / 994
|
36.1 / 917
|
Shoulder room
(in / mm) |
Yukon |
65.2 / 1656
|
65.1 / 1654
|
64.4 / 1636
|
| Yukon XL |
65.2 / 1656
|
65.1 / 1654
|
64.4 / 1636
|
| Hip room (in / mm) |
Yukon |
61.4 / 1560
|
61.3 / 1557
|
49.2 / 1250
|
| Yukon XL |
61.4 / 1560
|
61.3 / 1557
|
49.2 / 1250
|
Cargo volume
(cu ft / liters) |
Yukon |
104.6 / 2962
|
63.6 / 1801
|
16.3 / 461
|
| Yukon XL |
131.6 / 3726
|
90 / 2549
|
45.7 / 1294 (seat back in up position)
|
| Capacities |
Yukon
|
Yukon XL
|
| GVWR, standard (lbs / kg) |
2WD: 6500 / 2948
|
1/2-ton, 2WD: 7000 / 3175
|
|
1/2-ton, 4WD: 7200 / 3265
|
|
4WD: 6800 / 3084
|
3/4-ton, 2WD: 8600 / 3901
|
|
3/4-ton, 4WD: 8600 / 3901
|
| Payload, base (lbs / kg) |
2WD: 1573 / 714
|
1/2-ton, 2WD: 2086 / 946
|
|
1/2-ton, 4WD: 2077 / 942
|
|
4WD: 1616 / 733
|
3/4-ton, 2WD: 3153 / 1430
|
|
3/4-ton, 4WD: 2840 / 1288
|
Trailer towing maximum
(lbs / kg) |
2WD: 7700 / 3493
|
1/2-ton, 2WD: 8400 / 3810
|
|
1/2-ton, 4WD: 8100 / 3674
|
|
4WD: 8100 / 3674
|
3/4-ton, 2WD: 12000 / 5443
|
|
3/4-ton, 4WD: 12000 / 5443
|
Maximum tongue weight
(lbs / kg) |
Trailer tongue
weight should be 10-15 percent of the total loaded trailer
weight. Weight-carrying hitch limit on 4,000-lb trailer
is 400-pound tongue weight. Weight-distributing hitch
and sway control required for over 4,000-lb trailer
weight. |
| Fuel tank (gals / liters) |
26 / 98.4
|
1/2-ton: 31 / 117.3
|
|
3/4-ton: 37.5 / 142
|
| Engine oil (qts / liters) |
5.8 / 5.4
|
5.8 / 5.4
|
Cooling system
(qts / liters) |
Vortec 4800: 14.4 / 13.7
|
Vortec 5300: 16.5 / 15.6
|
|
Vortec 5300: 16.5 / 15.6
|
Vortec 6000: 16.5 / 15.6
|
|
Vortec 8100: 24.3 / 23
|
 Used
Car Price Quote on a 2003 GMC Yukon.
|
|
 |
Car Reviews
2003
GMC Yukon - Review
