2008 Infiniti M35 Sedan Review | Edmunds.com

2008 Infiniti M35 Sedan

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Certified Pre-Owned (CPO) is a category of used car. Often late-model vehicles, they have been inspected, refurbished, if necessary, and are under warranty by the manufacturer.
Infiniti M35 Features and Specs

Features & Specs

  • Engine 3.5 L V 6-cylinder
  • Drivetrain All Wheel Drive
  • Transmission 5-speed Automatic
  • Horse Power 275 hp @ 6200 rpm
  • Fuel Economy 16/22 mpg
  • Bluetooth Yes
  • Navigation No
  • Heated Seats Yes

Review of the 2008 Infiniti M35

  • Thanks to leading-edge technology and potent performance, the 2008 Infiniti M35 maintains its status as a luxury sport sedan front-runner.

  • Safety
  • Pros

    Impressive powertrain, confident handling, spacious and inviting cabin, abundant luxury features.

  • Cons

    Noisy highway ride, non-intuitive center stack controls.

  • What's New for 2008

    The 2008 Infiniti M35 receives notable technological upgrades including a new lane departure warning system and a switch to a hard drive-based navigation system with real-time traffic and digital music capabilities. There's also revised interior and exterior styling. Last year's Sport trim level has been dropped, but a new sport package effectively takes its place.

Full 2008 Infiniti M35 Review

What's New for 2008

The 2008 Infiniti M35 receives notable technological upgrades including a new lane departure warning system and a switch to a hard drive-based navigation system with real-time traffic and digital music capabilities. There's also revised interior and exterior styling. Last year's Sport trim level has been dropped, but a new sport package effectively takes its place.


Though the Infiniti brand has been in existence for nearly two decades now, it has only recently fielded a truly competitive midsize luxury sport sedan. Two years ago, Infiniti released the redesigned, current-generation M35 and M45 twins. Featuring a stylish design, a choice of V6 or V8 power, the option of all-wheel drive and impressive handling capabilities, the new M immediately became a critical success. It also stands as the brand's flagship sedan given that the Q45 has gone to the big garage in the sky.

The 2008 Infiniti M35 builds on this successful foundation with an enhanced, cleaner appearance outside including revised front and rear fascias, grille, rear fender panels, rear deck lid and taillights, and updated 18- and 19-inch aluminum wheels. A new sport package is similar to the previous Sport trim level but offers greater visual distinction between it and standard models. Inside, the roomy cabin is accented by a revised gauge cluster, trim highlights and center console. Infiniti is also keeping the M35 fully up to date in terms of technology, with a new lane departure warning system and an upgraded Infiniti navigation system with real-time traffic and digital music storage and playback.

Overall, the M35 continues to be a great choice in the performance-oriented luxury sedan segment. Of course, shoppers might also want to check out BMW's freshened and more powerful 535i, the Acura RL or perhaps Cadillac's new CTS with the optional direct-injected V6 and a sport suspension setup. However, for all-around competence in a generously equipped and fine-performing luxury sport sedan that handles most tasks well, it's hard to find fault with the 2008 Infiniti M35.

Body Styles, Trim Levels, and Options

The 2008 Infiniti M35 is a midsize luxury sport sedan offered in two fully equipped trim levels: base and x AWD. The standard rear-drive M35 comes with 18-inch alloy wheels, leather upholstery, 10-way power and climate-controlled front seats, dual-zone automatic climate control, wood accents, an auto-dimming rearview mirror, a sunroof, adaptive xenon headlights, Bluetooth and a six-speaker audio system with a six-CD/MP3 changer, satellite radio and an auxiliary audio jack. The M35x AWD comes with all-wheel drive, of course, and is slightly different in terms of standard and optional feature availability. For rear-drive M35s, the Sport Package replaces interior wood accents with aluminum trim and adds front sport seats, a sport steering wheel, rear active steering, a sport-tuned suspension, 19-inch wheels and high-performance tires.

Other optional packages pile on more technology and luxury with amenities. The Technology Package includes an eight-speaker Bose audio system with a dedicated iPod interface and a hard drive-based navigation system with digital music storage, voice recognition, real-time traffic and a rearview camera. On top of that, the Advanced Technology Package adds a 14-speaker surround-sound Bose audio system, adaptive cruise control and additional safety features. The top-shelf Premium Package includes both technology packages and also adds power reclining and heated rear seats, rear audio controls, a rear sunshade and an entertainment system.

Powertrains and Performance

The M35 features a 3.5-liter V6 that generates 275 horsepower and 268 pound-feet of torque. A five-speed automatic transmission with manual shift control and downshift rev-matching is standard on both models. In past testing, an M35x AWD model with this powertrain hustled to 60 mph in a little less than 7 seconds. Fuel economy, at 16 mpg city and 23 mpg for a rear-drive M35, is slightly below average for this class of car.


The M35 comes standard with antilock disc brakes with brake assist, stability control, traction control, front-seat side airbags, full-length side curtain airbags and active front head restraints. An available advanced lane departure warning system is new this year. It alerts the driver of unintended lane drifting and, if necessary, automatically applies light brake pressure to the wheels opposite the side of departure direction to help prevent the M from inadvertently drifting out of its intended lane. In Insurance Institute for Highway Safety crash testing, the 2008 Infiniti M35 scored a top-ranked "Good" rating for both frontal-offset and side impact protection.

Interior Design and Special Features

The Infiniti M35's large cabin seats five comfortably and is well appointed with leather trim and standard rosewood accents. Its seats are firm, highly adjustable and comfortably bolstered, even in non-sport package vehicles. While past models weren't quite as elegant and thoughtfully refined as others in its class, the 2008 M features new electroluminescent gauges with "gear-like" detailing, a revised center console, updated trim and a new full gray interior color option that should help it better compete against more luxury-oriented rivals.

Shoppers focused on the sport side of the equation will feel right at home with the M's simple layout, especially in Sport Package-equipped models with their unique steering wheel and shifter stitching, exclusive front sport seats, aluminum cabin accents and bright-trimmed pedals. The button-rich layout of the center stack controls still isn't as clean and intuitive as we'd like; however, it is better than some German competitors' point-and-click interfaces.

Driving Impressions

While not as responsive as the V8-equipped M45, the 2008 Infiniti M35's V6 should provide more than enough power for most drivers while providing superior fuel economy. The firmly calibrated suspension provides a fine balance between ride comfort and responsive handling, and braking performance is impressive. Although we generally find it to our liking, consumers with a comfort bias may find the steering and suspension feedback a bit harsh around town, especially in even firmer Sport Package models. At highway speeds, the M35 also transmits a modest amount of engine and road noise into the cabin. Again, while not objectionable, those interested in maximizing their serenity may want to consider a competitor like the Lexus GS 350 or Cadillac STS that offer a more isolated experience.

What Others Are Saying

Customer Reviews

3 of 3 people found this review helpful


by on
Vehicle: 2008 Infiniti M35 x 4dr Sedan AWD (3.5L 6cyl 5A)

I bought this car for the luxury, performance and reliability. I love it except...all the maple moldings on the inside of the doors had to be replaced (turned out to be bad glue). Infiniti had no problem replacing them. At 65K miles the front left wheel bearing went. Haven't ever had that happen on any other car. At 80K miles the transmission went - not in any forward gear, but in reverse? I generally keep my cars for 150K miles and I've never had transmission problems or even had to change a clutch. Needless to say, I'm disappointed.

1 of 3 people found this review helpful

Good car except handling

by on
Vehicle: 2008 Infiniti M35 4dr Sedan (3.5L 6cyl 5A)

I purchased the car with 4 thousand and six miles. I love the look and speed but the mileage could be better. I guess they got it right with the 2010 with the 7 speed trans. However, the ride quality is very poor especially on uneven roads. I can first feel every bump then the front ends starts rattling and jumping. When I first noticed it I felt like the car was going to lose control. since then I can control it. I searched the internet and there are over 300 entries on the trampling problem.

3 of 3 people found this review helpful

Just a great automobile

by on
Vehicle: 2008 Infiniti M35 x 4dr Sedan AWD (3.5L 6cyl 5A)

I've had car for just over 2 years. I'm toying with the idea of trading it for the convertible G37, but I can't! Every time I drive it, the high quality interior, the quick acceleration, the sharp handling, the easy-to-use controls and the OUTSTANDING sound system featuring the music box (no more CDs!,) tell me that this is the car for me. I'm 6'5" so comfort is important to me. I always feel comfortable, even after driving 2-3 hours straight. Gas mileage could be a bit better, but it's not a deal breaker. Just a great overall sports sedan.

1 of 1 people found this review helpful

Great value !

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Vehicle: 2008 Infiniti M35 4dr Sedan (3.5L 6cyl 5A)

I've owned this vehicle for 6 months and felt it was appropriate to write a review. The drive is like a sports car feel in a family vehicle. Response is quick and braking is very good too! The only slight disappointment is road noise but that is expected considering the performance handling assets. Overall, the car is unbelievably quick and the Bose sound system is one of the best I've ever seen in a luxury vehicle. We've only put 10K miles and dependability seems to be there. Dealing with the dealer on maintenance issues has been pleasant but not cheap. I would recommend this vehicle for one whose tired of the basic economic family car, tired of the SUV mode, and the best value.

Best luxury sport sedan on

by on
Vehicle: 2008 Infiniti M35 4dr Sedan (3.5L 6cyl 5A)

Had for 15 months. This car is awesome. I cannot understand any complaints except for maybe gas mileage. It's what you should expect for a large sport sedan. Infiniti service and dealership was & still is excellent. In/out the door in less than an hour. Will keep this vehicle for a long time. Sporty, classy, comfortable and people love looking at it. What a deal!!

1 of 1 people found this review helpful


by on
Vehicle: 2008 Infiniti M35 x 4dr Sedan AWD (3.5L 6cyl 5A)

Well I needed to replace our Buick and with GM going down the toilet I figures I better move to the Japanese. Spent 3 months looking for a luxury car. Anyway, I walked into the Infiniti dealership here and the friendliness was fabulous. They had an 08 M35x that the manager was driving with 18,000 kms in sandstone. What a beautiful car. We drove it for a day and were hooked. They gave it to me for 20K less than new. They gave me 10K for my Buick and I was stunned. I drove this out of there in mint condition for 30K Canadian. WOW I couldn't buy a v6 accord for that. Driving the car for a month now and am awestruck by the quality. This thing is a tank. Put new Michelin Pilot Pluses on - WOW!

Talk About The 2008 M35

2008 Infiniti M35 Discussions See all Started By

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Gas Mileage


  • 16
  • cty
  • 22
  • highway
Calculate Yearly Fuel Costs
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