Dealer in Montclair, CAUpdated
STG Auto Group
STG Auto Group is a dealer in Montclair, California with 11 used cars for sale that we can see right now, model years 2019-2024: mostly Tesla, BMW, Chevrolet and 2 other brands.
We have tracked 76 cars from this dealer since September 2025, checking each asking price against comparable cars across the US.
Its asking prices run in line with our fair values for the same cars, and 36% of its cars have had a price cut while for sale.
STG Auto Group report card
Plain numbers from the 11 cars it has listed for sale, updated as the listings change. No reviews and no guesswork: each figure is a count or a median you can check against the dealer's own lot.
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Prices vs. market
At market
In line with fair values
Asking prices run in line with our fair values for the same cars (the median of 11 cars we could price). Lower than 75% of the 1,185 dealers we rate.
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Priced below fair value
5 of 11
45% of rated cars
Cars we score as great or good deals: listed under our fair value for their year, trim and miles. Premium members see which ones.
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Cars with a price cut
36%
Cuts prices often
36% of its cars for sale have had at least one price cut since we started tracking them, typically 1% so far. Higher than 74% of the 1,185 dealers we rate, by share of cars cut.
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Days listed (median)
81
Typical
Half of its cars have been listed for 81 days or more; 36% for 90 days or more. Lower than 34% of the 1,185 dealers we rate.
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Relisted cars
0 of 11
None
None of its cars were taken down and listed again as new while we tracked them.
Every car at STG Auto Group
11 cars for sale right now. 5 of them are priced below our fair value. Premium lists every one, best deal first, with its VIN, price history, fair range and a target offer.
Premium shows every car's VIN, price history, fair range and a target offer.
What STG Auto Group sells
Cars for sale by brand. Models are named when the dealer has 3 or more of them.
| Brand | Cars | Models | Median price | Median miles |
|---|---|---|---|---|
| Tesla | 5 | Model Y (4), 1 other model | $28,023 | 66,968 |
| BMW | 2 | 2 models | – | – |
| Chevrolet | 2 | 1 model | – | – |
| Mercedes-Benz | 1 | 1 model | – | – |
| Rolls-Royce | 1 | 1 model | – | – |
Other dealers in California
- Westcoast Auto Sales, Montclair5 cars
- Eurocar, Costa Mesa97 cars
- Ever Cars Co, San Francisco57 cars
- Valencia BMW, Valencia52 cars
- Ever Cars Co - Costa Mesa, Costa Mesa48 cars
- Carbeeco, Costa Mesa45 cars
- Motorenn, Los Angeles38 cars
- Exotic Car Factory, Tustin34 cars
- Porsche Bakersfield, Bakersfield34 cars
- Crown Dodge Chrysler Jeep, Ventura31 cars
- BMW Carlsbad, Carlsbad28 cars
- Marshall Goldman Beverly Hills, Beverly Hills27 cars
STG Auto Group: common questions
Is STG Auto Group a good place to buy a used car?
We don't publish star ratings or reviews. What we can show is how STG Auto Group prices the cars it lists: its asking prices run in line with our fair values for the same cars, 36% of its cars have had a price cut while for sale, and half its cars have been listed 81 days or more. Whoever sells it, get the car's history report and an independent inspection before you buy.
What cars does STG Auto Group have for sale?
11 used cars as of Nov 8, 2026: 5 Tesla, 2 BMW, 2 Chevrolet, 1 Mercedes-Benz, and 1 Rolls-Royce. The middle half are listed between $28,578 and $83,375.
Does STG Auto Group lower its prices?
Yes, on some cars. 36% of the cars it has for sale now have been cut at least once since we started tracking them, by about 1% in a typical case. A car that has been cut before, or listed longer than usual, often leaves more room to negotiate.
Where is STG Auto Group?
STG Auto Group is in Montclair, California.
How does Luxury Car Deals rate dealers?
From the cars dealers list for sale, not from reviews. We estimate a fair value for every car from comparable listings across the US (same model, generation, trim, year and miles) and compare each asking price with it. We also record price changes and how long each car stays listed. The numbers update as the listings do.