Infiniti M45 2006 Reviews & Road Tests at InternetAutoGuide.com

Luxury Sport Sedan Specs & Vehicle Data Comparison

Read this professional review and road test written by Motor Trend Magazine of the used 2006 Infiniti M45 model with a complete test drive evaluation in all driving situations including an overview of the '06 Infiniti M45 specs, price, trims, interior, standard equipment, and more.
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Six Degrees of Separation: Tech Chart
Check Dealer Pricing On a New Infiniti M45!

Six Degrees of Separation: 2005 BMW 530i Sport vs. 2005 Jaguar S-Type 3.0 vs. 2005 Audi A6 3.2 quattro vs. 2005 Cadillac STS V6 vs. 2005 Infiniti M35 vs. 2005 Acura RL

By Ron Sessions
Photography by John Kiewicz & Brian Vance

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 2005 Audi A6 3.2 quattro AT62004 BMW 530i Sport2005 Cadillac STS V62005 Infiniti M352005 Jaguar S-Type 3.02005 Acura RL
Powertrain/Chassis
Drivetrain layoutFront engine, AWDFront engine, RWDFront engine, RWDFront engine, RWDFront engine, RWDFront engine, AWD
Engine
type		V-6, alum block/headsI-6, alum block/headV-6, alum block/headsV-6, alum block/headsV-6, alum block/headsV-6, alum block/heads
Valve gearDOHC, 4 valves/cyl, variableDOHC, 4 valves/cyl, variableDOHC, 4 valves/cyl, variableDOHC, 4 valves/cyl, variableDOHC, 4 valves/cyl, variable SOHC, 4 valves/cyl, variable
Bore x stroke,
in/mm		3.33 x 3.65 / 84.5 x 92.83.31 x 3.53 / 84.0 x 89.63.70 x 3.37 / 94.0 x 85.63.76 x 3.20 / 95.5 x 81.43.50 x 3.13 / 89.0 x 79.53.50 x 3.66 / 89.0 x 93.0
Displacement,
ci/cc		190.6 / 3123181.8 / 2979217.5 / 3564213.5 / 3498181.1 / 2967211.8 / 3471
Compression
ratio		12.5:110.2:110.2:110.3:110.5:111.0:1
Max SAE net
horsepower		255 @ 6500 rpm225 @ 5900 rpm255 @ 6500 rpm280 @ 6200 rpm235 @ 6800 rpm300 @ 6200 rpm
Max SAE net
torque, lb-ft		243 @ 3250 rpm214 @ 3500 rpm252 @ 3200 rpm270 @ 4800 rpm216 @ 4100 rpm260 @ 5000 rpm
Specific output,
hp/liter		81.775.571.580.079.286.4
Weight to power,
lb/hp		15.916.615.113.515.913.4
Redline,
rpm		680065006700660065006800
Transmission6-speed automatic6-speed manual5-speed automatic5-speed automatic6-speed automatic5-speed automatic
Axle/final-drive
ratio:1		3.54 / 2.452.93 / 2.493.42 / 2.573.54 / 2.973.31 / 2.28 4.60 / 2.74
Brakes,
f;r		12.6-in vented disc; 11.9-in disc, ABS12.8-in vented disc; 12.6-in vented disc, ABS11.9-in vented disc; 11.7-in vented disc, ABS12.6-in vented disc; 12.1-in vented disc, ABS11.8-in vented disc; 11.3-in vented disc, ABS12.6-in vented disc; 12.2-in vented disc, ABS
Wheels17 x 7.5, cast aluminum 18 x 8.0, cast aluminum17 x 7.0, cast aluminum18 x 8.0, cast aluminum17 x 7.5, cast aluminum17 x 8.0, cast aluminum
Tires,
f;r		245/45R17
99H;245/45R17
99H
Continental
ContiProContact		245/40R18
93Y
run-flat;
245/40R18
93Y
run-flat
Dunlop SP
Sport 01
DSST		 235/50R17
95V;
255/45R17
98V
Michelin
Pilot
HXMXM4		245/45R18
96V;
245/45R18
96V
Goodyear
Eagle
RS-A		235/50R17
96H;
235/50R17
96H
Michelin
Pilot
HXMXM4		245/50R17
98V;
245/50R17
98V
Michelin
Pilot
HXMXM4
Dimensions
Wheelbase,
in 		111.9113.7116.4114.2114.5110.2
Track,
f/r, in		63.5 / 63.761.3 / 62.361.8 / 62.360.2 / 60.860.4 / 60.762.0 / 62.4
Length,
in		193.5190.6196.3192.6193.1 193.6
Width,
in		79.2 72.772.670.871.672.7
Height,
in 		57.558.057.659.456.057.1
Turning circle,
ft		39.037.536.936.737.7 39.7
Curb weight
(MT), lb		406537333948379037394005
Weight dist
(MT), f/r, %		56 / 4449 / 5154 / 4653 / 4752 / 48 58 / 42
Headroom,
f/r, in		38.7 / 37.837.7 / 37.938.7 / 37.939.6 / 37.838.6 / 36.438.5 / 37.2
Legroom,
f/r, in		41.3 / 36.941.5 / 36.042.6 / 38.344.2 / 37.343.1 / 37.0 42.4 / 36.3
Shoulder room,
f/r, in		 57.1 / 55.957.3 / 57.258.6 / 57.458.2 / 56.956.4 / 56.7 58.5 / 56.1
Cargo capacity,
cu ft		15.9 14.013.814.914.113.1
Acceleration, sec to mph
0-30
mph		2.42.32.42.22.62.4
0-40
mph		3.93.63.63.44.33.6
0-50
mph		5.45.25.14.75.95.1
0-60
mph		7.36.86.86.37.86.7
0-70
mph		9.79.18.88.210.49.0
0-80
mph		12.311.811.410.513.411.7
0-90
mph		15.414.814.414.117.014.5
0-100
mph		19.718.519.318.3--119.4
1/4 mile,
sec @ mph		 15.4 @ 91.415.2 @ 92.415.0 @ 92.714.7 @ 92.815.9 @ 88.615.0 @ 93.5
Braking,
60-0 mph, ft		118118120118119122
600-ft slalom,
avg mph		 63.967.164.364.463.8 65.5
200-ft skidpad,
avg g		0.840.890.830.860.840.88
MT fig-eight,
sec @ avg g		 27.1 @ 0.6326.6 @ 0.6527.3 @ 0.6326.6 @ 0.66 27.4 @ 0.62 26.8 @ 0.65
Top-gear
rpm @ 60 mph		200020002050250024001750
Consumer Info
On sale in U.S. CurrentlyCurrentlyCurrentlyMarch 2005Currently Currently
Base price
incl dest 		$41,620$46,095$41,220$41,890 (est)$44,895 $49,470
Price
as tested 		$45,370$56,645$44,810$41,890 (est)$47,595 $49,470
AirbagsDual front, front side, front/rear side curtainDual front, front side,front/rear head protectionDual front, front side, front/rear side curtainDual front, front side,front/rear side curtainDual front, front side, front/rear side curtainDual front, front side, front/rear side curtain
Stability/
traction
control		Yes/yes Yes/yes Yes/yes Yes/yesYes/yes Yes/yes
Basic
warranty 		4 yrs/50,000 miles 4 yrs/50,000 miles 4 yrs/50,000 miles 4 yrs/60,000 miles 4 yrs/50,000 miles 4 yrs/50,000 miles
Powertrain
warranty		4 yrs/50,000 miles 4 yrs/50,000 miles 4 yrs/50,000 miles 6 yrs/70,000 miles 4 yrs/50,000 miles 4 yrs/50,000 miles
Roadside
assist
period		 4 yrs/unlimited miles 4 yrs/50,000 miles 4 yrs/50,000 miles 4 yrs/60,000 miles 4 yrs/50,000 miles 4 yrs/50,000 miles
Fuel capacity,
gal		 21.1 18.5 17.5 20.0 18.4 19.4
EPA mpg,
city/hwy		19 / 26 20 / 30 17 / 24 18 / 25 18 / 26 18 / 26
MT observed
mpg		18.0 19.2 17.5 18.2 19.1 19.2
Range,
miles,
city/hwy		401 / 549 370 / 555 298 / 420 360 / 500 331 / 478 349 / 504
Recommended
fuel		Unleaded premium Unleaded premium Unleaded regular Unleaded premium Unleaded premium Unleaded premium

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