What Our Customers Say
Welcome to Excel Diesel & SUV,
your car service in Littleton, CO!
At Excel Diesel & SUV we offer diesel repair, service, trailer repairs, including diesel emissions work and winter checkups, from our auto repair shop servicing the southwest metro Denver area including Littleton, Englewood & Morrison.
Excel Diesel & SUV is dedicated to making you a repeat customer so we form a down-home, one-on-one relationship with you when you come in for diesel truck and vehicle repair or service.
You can trust your diesel vehicle to Excel Diesel & SUV. We perform a variety of diesel services, including performance tuning, hydrogen injection, upgrades, and diesel emissions work for 2WD vehicles. Using OEM parts and aftermarket accessories, such as gages, lift kits, turbo upgrades, cold air boxes, and chips, our diesel experts are able to get the most out of your diesel vehicle.
We work with all makes of diesel, including Cummins™, Powerstroke™, Duramax™, Ford™, Dodge™, GM™, and Chevy™.
Address
Excel Diesel & SUV
7591 Shaffer Parkway Unit A
Littleton, CO 80127
(303) 904-1500
Shop Hours
Mon-Fri: 8am-5pm
Sat-Sun: Closed
Directions
Payment Types





Affiliates & Certifications







About Excel Diesel & SUV Littleton, CO
For years Excel Diesel & SUV has been there for the people of Littleton, CO. We love what we do, and that basic fact fuels our business. We are dedicated to our customers, and that’s why they stick with us—the best auto repair Littleton has to offer.
Our family of technicians and service staff sees their work here at Excel Diesel & SUV as more than a job. It’s their vocation and livelihood. Each member of our team is invested in your satisfaction.
Excel Diesel & SUV was founded on the basic idea that everyone deserves respect. It is our mission to treat each person that comes through our door with dignity and sensitivity. We believe this attention to detail has paid off by providing us with our loyal, friendly family of customers. That’s what makes Excel Diesel & SUV the best car service in Littleton, CO!
Excel Diesel & SUV is situated in a new state-of-the-art 6,600-square-foot auto shop. We have the latest industrial diagnostic capabilities and equipment, including a chassis dyno and a 26,000 lb. 4-post service rack that can lift most service truck/large vehicles. We have the capability of lifting five vehicles and working on three on our floor spaces.
Are you ready to experience the best Littleton, CO car service available? Please give us a call or make an appointment here.
The Absolute Best Car Service in Littleton, CO
What sets Excel Diesel & SUV apart from all of the others in Littleton, CO?
Trust: When it comes to auto repair in Littleton, it’s all about earning loyalty and trust by doing our very best every day. We are determined to earn and keep your trust.
Talent: At Excel Diesel & SUV, you can rest easy knowing that our highly-skilled, experienced auto service professionals are handling your car. Our technicians bring years of experience, skill, and education to the Littleton auto repair table.
Time: We take the time we need to provide you with top quality car service in Littleton, and we take the time to talk to you about what that means. We listen to you so we understand your needs and goals for your auto repair.
Recently Serviced Vehicles
2004 Dodge Pickup
Mileage328,220Service Date7/13/2026Services Performed- OIL AND FILTER CHANGE
- CREDIT CARD SURCHARGE
ART D. gave our service a 5 star review on 7/14/20262020 Ford F-250 Super Duty
Mileage61,619Service Date6/23/2026Services Performed- 0 0 0
- CREDIT CARD SURCHARGE
MICHAEL Z. gave our service a 5 star review on 7/13/20262016 Chevrolet Tahoe
Mileage88,269Service Date7/9/2026Services Performed- Had code P2635, fuel flow performance, performed a fuel pressure comparison reading though. During fuel pressure comparison of low pressure fuel side every once in awhile desired fuel pressure will be at 46 and fuel pressure sensor reading will drop to 30. This is a significant change in pressure and could set this code. Recommend replacing low pressure fuel pump to start with. Please note that failure of low pressure fuel pump can cause damage to high pressure fuel pump. Per TSB RECOMMEND only using 91 octane fuel.
- Ray must use 91 octane fuel in the summertime to prevent Vapor locking. This is a TSB from GM.
RAY A. gave our service a 5 star review on 7/9/20262018 Jeep Cherokee
Mileage72,041Service Date7/9/2026Services Performed- Scanned modules and found no codes in any module. Coolant level is also full. Customer States that vehicle is not overheating. High fan mode is most likely activating due to AC and high Ambient Air Temperature. Recommend during hot summer days turning off the auto start stop function so that engine coolant temperature is will remain lower
SHAY V. gave our service a 5 star review on 7/9/20262013 GMC Sierra 2500 HD
Mileage91,378Service Date7/2/2026Services Performed- EMISSIONS TEST
ED A. gave our service a 5 star review on 7/3/20262005 Dodge Pickup
Mileage253,918Service Date6/19/2026Services Performed- 4 3 16
- CREDIT CARD SURCHARGE
JOHN T. gave our service a 5 star review on 6/23/20262022 RAM 3500 HD
Mileage55,947Service Date6/11/2026Services Performed- EMISSIONS TEST
- CREDIT CARD SURCHARGE
KEN R. gave our service a 5 star review on 6/19/20262013 Ford F-350 Super Duty
Mileage115,137Service Date6/17/2026Services Performed- 2 2 3
- CREDIT CARD SURCHARGE
TIM M. gave our service a 5 star review on 6/17/20262014 Ford F-250 Super Duty
Mileage82,019Service Date6/2/2026Services Performed- LUBE OIL AND FILTER FORD 6.7L
- CREDIT CARD SURCHARGE
Bambi I. gave our service a 5 star review on 6/2/20262004 Dodge Pickup
Mileage193,107Service Date5/26/2026Services Performed- CUSTOMER STATES CLUTCH/ BEARING GOING OUT
- CLUTCH PRESSURE PLATE – Remove & Replace – R2500, R3500, 4WD, 6 Spd Trans – [DOES NOT include resurface Flywheel.]
- (Combination) – FLYWHEEL – Remove & Replace
- CRANKSHAFT MAIN OIL SEAL – Remove & Replace – In-Line6, Automatic Trans, 4WD Rear
- CREDIT CARD SURCHARGE
HARRY C. gave our service a 5 star review on 6/11/20262013 Ford F-350 Super Duty
Mileage115,137Service Date6/17/2026Services Performed- 2 2 3
- CREDIT CARD SURCHARGE
TIM M. gave our service a 5 star review on 6/17/20262004 Dodge Pickup
Mileage193,107Service Date5/26/2026Services Performed- CUSTOMER STATES CLUTCH/ BEARING GOING OUT
- CLUTCH PRESSURE PLATE – Remove & Replace – R2500, R3500, 4WD, 6 Spd Trans – [DOES NOT include resurface Flywheel.]
- (Combination) – FLYWHEEL – Remove & Replace
- CRANKSHAFT MAIN OIL SEAL – Remove & Replace – In-Line6, Automatic Trans, 4WD Rear
- CREDIT CARD SURCHARGE
HARRY C. gave our service a 5 star review on 6/11/2026

