2003 Mitsubishi Diamante

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2003 Mitsubishi Diamante

Key specs

Base trim shown


3 trims

Starting msrp listed lowest to highest price

Wondering which trim is right for you?

Our 2003 Mitsubishi Diamante trim comparison will help you decide.

2003 Mitsubishi Diamante review: Our expert's take

Vehicle Overview
In the spring of 2002, a new VR-X trim level joined the lineup of Mitsubishi’s near-luxury sedan, which earned a face-lift for the 2002 model year. With a more aggressive exhaust sound and an engine that delivers 5 horsepower more than the 3.5-liter V-6 in other Diamantes, the VR-X is said to add “sporty appeal” to the sedan. A sport suspension adds to the VR-X experience.

For 2003, the VR-X edition gets new European sport-style bucket seats, colored-taillight surrounds, sport seat fabric, and aggressive side-skirt air dams and wheel lip molding. A rear spoiler and leather seating surfaces are now available as packaged options. The value-leader ES sedan gets new premium seat fabric, and the luxury LS sedan now includes traction control and heated seats and mirrors.

Even though it’s handily outsold by other Mitsubishi models, the Diamante’s sales grew by 86.9 percent in 2001, as reported by Automotive News. This figure suggests that consumers may be finding a model they appreciate. The Diamante debuted in its current form in the 1997 model year as a lower-priced alternative to other models such as the Lexus ES 300 and Infiniti I30 — which is now called the I35.

Mounted on a 107.1-inch wheelbase and measuring 194.1 inches long overall, the Diamante is more than 6 inches longer than Mitsubishi’s own Galant sedan. In profile and roof styling, the two show a family resemblance, but the Diamante has a larger grille and four enclosed headlights for a unique front-end appearance. Alloy wheels hold 16-inch tires. Fog lamps are installed on the LS and VR-X versions.

Cloth upholstery is used for the base ES sedan, and the more costly LS gets leather and a standard power sunroof. All Diamantes seat five passengers. Front bucket seats in the ES have manual adjustments, but the LS’s buckets are power-adjustable.

Standard ES equipment includes automatic air conditioning, a six-speaker stereo with a CD player, remote keyless entry, and power windows, door locks and mirrors. The LS sedan adds a power sunroof, steering-wheel audio controls, a 210-watt Infinity premium sound system, and power front seats with leather-faced seating surfaces and a memory feature. An engine immobilizer requires the properly coded key to start the car. The sedan’s trunk holds 14.2 cubic feet of cargo. Few options are available for the Diamante.

Under the Hood
A 205-hp, 3.5-liter V-6 engine is equipped in the ES and LS versions. The V-6 power plant in the VR-X produces 210 hp. Both engines team with a four-speed-automatic transmission.

All-disc antilock brakes are standard, and side-impact airbags are not available. Traction control is standard in the LS and VR-X sedans.


Reported by Jim Flammang  for cars.com
From the cars.com 2003 Buying Guide
Posted on 12/9/02

Consumer reviews

Rating breakdown (out of 5):
  • Comfort 4.5
  • Interior design 5.0
  • Performance 5.0
  • Value for the money 5.0
  • Exterior styling 4.5
  • Reliability 5.0

Most recent consumer reviews


Reliable Luxury Car w/o Luxury Price

This car has met all my family's needs for 14 years. From my Dad, to my sister to myself, we have gently used this car in town and over the highways. Stylist, spacious, very comfortable ride for 5 adult passengers. Good on gas for a V6 with a huge trunk for lots of luggage. A/C & heat work like a charm!


Very reliable luxurious car.

This was certainly a very reliable car and was very luxurious as well. The LS model comes fully loaded with leather seating, alloy wheels, moonroof, heated seats, fog lights, premium stereo and many extras.


Owned 1 since 2004 never had a problem!!

I have owned this vehicle since 2004, going from a 1995 Cadillac xxx. I feel that this vehicle had just about the same bells and whistles except for the often break downs of my Cadillac. I bought it with 19k miles on it. I have only replaced the door speakers and two O2 sensors. Other than normal wear and tear stuff.. I wish they still made this car. I do know I will continue to buy Mitsubushi brand vehicles in the future!!

See all 4 consumer reviews


New car and Certified Pre-Owned programs by Mitsubishi
New car program benefits
36 months/36,000 miles
84 months/100,000 miles
60 months/60,000 miles
Roadside assistance
36 months/36,000 miles
Certified Pre-Owned program benefits
Maximum age/mileage
Less than 5 years/less than 60,000 miles
Basic warranty terms
Remainder of original 5 years/60,000 miles
Remainder of original 10-year/100,000 miles
Dealer certification required
123-point inspection
Roadside assistance
View all cpo program details

Have questions about warranties or CPO programs?