BAK Industries
BAKFlip MX4
$1199.99Cheaper
Best Tonneau Covers · head-to-head
BAKFlip MX4 vs UnderCover Elite LX
A sourced, side-by-side comparison. BAKFlip MX4 is cheaper at $1199.99. Every spec and price links to its source.
UnderCover
UnderCover Elite LX
$1999.99
Which is better: the BAKFlip MX4 or UnderCover Elite LX?
The BAKFlip MX4 wins 1 of the 1 specs we compare head to head; the other wins 0. The BAKFlip MX4 is the cheaper at $1199.99. The BAKFlip MX4 both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | BAKFlip MX4 | UnderCover Elite LX |
|---|---|---|
| US price | $1199.99 | $1999.99 |
| Brand | BAK Industries | UnderCover |
| Released | — | — |
| Cover type | hard-fold | one-piece-hinged |
| Material | aluminum | abs-polymer |
| Weight capacity (lb) | 400 | 500 |
| Bed access percent | 100 | — |
| Lockable | Yes | Yes |
| Weather seal | weather-resistant | weathertight |
| Low profile height (in) | — | — |
| Cover weight (lb) | 71 | — |
| Install type | clamp-on | clamp-on |
| Warranty term | 5-year | 3-year |
Sources — BAKFlip MX4: bakflipstore.com (verified 2026-07-13). UnderCover Elite LX: 797performance.com (verified 2026-07-13).
What's the difference between the BAKFlip MX4 and UnderCover Elite LX?
Where the two actually differ on the specs we track (5 of 10). Matching specs are omitted.
- Cover type: BAKFlip MX4 hard-fold vs UnderCover Elite LX one-piece-hinged
- Material: BAKFlip MX4 aluminum vs UnderCover Elite LX abs-polymer
- Weight capacity (lb): BAKFlip MX4 400 vs UnderCover Elite LX 500
- Weather seal: BAKFlip MX4 weather-resistant vs UnderCover Elite LX weathertight
- Warranty term: BAKFlip MX4 5-year vs UnderCover Elite LX 3-year